| Prehnite with Epidote |
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NR26AK0: Prehnite in a spheroidal growth, very aerial and aesthetic, translucent and with an intense and uniform green color and implanted in a very dark green, almost black, Epidote crystal.
The sample comes from the collection of Ignacio Hernαndez whose label we will send to the buyer.
Bendougou village, Commune Diakon, Arrondissement Diakon , Bafoulabι Circle, Kayes Region Mali
Specimen size: 4.3 × 2.6 × 2.7 cm = 1.7 × 1.0 × 1.1
Main crystal size: 2.7 × 2.3 cm = 1.1 × 0.9
Former collection of Ignacio Hernández
Euro:110 / US$123 / Yen:13040 / AUD$181
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Epidote with Stilbite-Ca |
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TB67AF6: Group of dark green (almost black), doubly terminated, very aerial Epidote crystals that are partially coated by small white crystals, most of them doubly terminated, of Stilbite-Ca.
The sample is from the Vallecillo collection, Madrid.
Commune Diakon, Arrondissement Diakon, Bafoulabι Circle, Kayes Region Mali
Specimen size: 9.8 × 7.5 × 5.4 cm = 3.9 × 3.0 × 2.1
Main crystal size: 7 × 2.5 cm = 2.8 × 1.0
Former collection of José Luis Vallecillo
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| Andradite |
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TL96AF8: Group, on a rocky matrix, of dodecahedral crystals finely beveled by the trapezohedron, with a dark brown color, translucent and bright.
Bendougou village, Commune Diakon, Arrondissement Diakon , Bafoulabι Circle, Kayes Region Mali
Specimen size: 5.4 × 4.1 × 2.4 cm = 2.1 × 1.6 × 0.9
Main crystal size: 3.2 ×2.4 cm = 1.3 × 0.9
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Fluorite with inclusions |
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LP89AK0: Group of very sharp, transparent and very bright crystals with small inclusions, almost colorless but with intense and fine violet colors on the edges. The specimen, of extraordinary quality for what is known at the site, is from the Philippe Morelon collection (number 803) whose label, which includes more information on the back, will be sent to the buyer.
Hammam-Zriba Mine, Zriba, Zaghouan Governorate Tunisia (2008)
Specimen size: 6.2 × 4.3 × 4.5 cm = 2.4 × 1.7 × 1.8
Main crystal size: 1.7 × 1.7 cm = 0.7 × 0.7
Former collection of Philippe Morelon
Euro:480 / US$536 / Yen:56930 / AUD$792
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| Zoisite (variety tanzanite) |
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LA73AK0: Zoisite (variety tanzanite) with very well defined crystalline forms, perfect terminal faces, transparent, extraordinarily bright and with a very intense, deep and uniform lavender blue color. A little gem from the Philippe Morelon collection (number 422) whose label, which includes more information on the back, will be sent to the buyer.
Merelani Hills, Lelatema Mountains, Simanjiro District, Manyara Region Tanzania (2013)
Specimen size: 1.8 × 1.1 × 1.2 cm = 0.7 × 0.4 × 0.5
Former collection of Philippe Morelon
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Zoisite (variety tanzanite) |
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NG61AI3: Single crystal with very well defined faces and edges, with very transparent and bright (gem quality) terminal faces and an excellent color, intense blue with violet shades. The transition between the different colored areas on the crystal indicates it has not suffered any heat treatment.
The sample is from the Ignacio Hernαndez collection (num. 84) whose original label well send to the buyer.
Merelani mines, Merelani Hills, Lelatema Mountains, Simanjiro District, Manyara Region Tanzania
Specimen size: 3.5 × 1.4 × 1.3 cm = 1.4 × 0.6 × 0.5
Former collection of Ignacio Hernández
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| Spessartine with Kyanite and Muscovite |
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TG66AI8: Group of trapezohedral Spessartine crystals with very well defined faces and edges, with a very intense orange color and on orange Kyanite with small Muscovite crystals.
The sample is from the mineral reserve of John S. White whose label we will send to the buyer.
Sangulungulu Hill (Nani Hill), Naan village, Loliondo, Ngorongoro District, Arusha Region Tanzania
Specimen size: 3 × 2.5 × 1.7 cm = 1.2 × 1.0 × 0.7
Main crystal size: 1.6 × 1.5 cm = 0.6 × 0.6
John S. White mineral reserve
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Grossular (variety tsavorite) with Pyrite and Graphite |
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ML90AG7: Dodecahedral Grossular (tsavorite variety) crystal, translucent, very bright, with a very well defined green color and on matrix, with Pyrite crystals and radial aggregates of Graphite crystals.
The specimen has been photographed and published in the magazine Paragιnesis, number 01/2018, page 90
Merelani Hills, Lelatema Mountains, Simanjiro District, Manyara Region Tanzania
Specimen size: 3 × 1.9 × 3.5 cm = 1.2 × 0.7 × 1.4
Main crystal size: 1.4 × 1.3 cm = 0.6 × 0.5
Extremely fluorescent short UV
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| Fluor-liddicoatite with Quartz |
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EA64AK0: Fluor-liddicoatite crystal with very well defined and perfect prism faces as well as both terminal faces, the pinacoid and the rhombohedron. Very transparent and bright with micro inclusions and a mauve color that is very intense and uniform, different from the usual color of the Fluor-liddicoatites of Madagascar. Also with a small Quartz coating.
Sahatany Valley (Mt. Ibity), Vakinankaratra Region, Antananarivo Province Madagascar (03/2019)
Specimen size: 2.5 × 1.7 × 1.3 cm = 1.0 × 0.7 × 0.5
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Fluor-Liddicoatite |
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CD90AI7: A striated crystal with a very acute rhombohedral termination, translucent and with a pronounced color zoning, green at the bottom and between red and deep pinkish from there to the top, a change of color that corresponds to two different growth phases. The sample, from one of the great classic mineral localities in Madagascar, is from the Carlos Curto collection whose original label and also a copy of the computer card with the full text in the collection catalog well send to the buyer.
Sahatany Valley (Mt. Ibity), Vakinankaratra Region, Antananarivo Province Madagascar
Specimen size: 5.7 × 3.8 × 3.2 cm = 2.2 × 1.5 × 1.3
Former collection of Carles Curto
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| Fluor-liddicoatite |
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TG16AD4: Single crystal formed by the dominant faces of a ditrigonal prism and the terminal faces of a pyramid and pinacoid that are all very well defined. The crystal is between translucent and transparent, very bright and has an intense and uniform color, between red and mauve.
Camp Robin area, Manandriana District, Amoron'i Mania Region, Fianarantsoa Province Madagascar (02/2006)
Specimen size: 5.8 × 2 × 2.1 cm = 2.3 × 0.8 × 0.8
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Quartz with Hematite |
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NT26AJ9: Group of Quartz crystals with very visible phantom growths due the red Hematite inclusions. They are partially coated by an iridescent and scoriaceous Goethite patina with metallic green, blue and red dominant shades.
The sample is from the Ignacio Hernαndez collection whose label we will send to the buyer.
Itremo Massif, Itremo, Ambatofinandrahana District, Amoron'i Mania Region, Fianarantsoa Province Madagascar
Specimen size: 6.7 × 6.3 × 3.7 cm = 2.6 × 2.5 × 1.5
Main crystal size: 6.7 × 1.3 cm = 2.6 × 0.5
Former collection of Ignacio Hernández
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| Quartz with Muscovite (variety fuchsite) inclusions |
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TP10AH1: Group of very clear Quartz crystals, very transparent and bright and with very well defined phantom growths that show their inner pyramidal faces that are coated by clear green microcrystalline Muscovite (variety fuchsite). Great esthetic appearance.
Anovitra, Itremo, Ambatofinandrahana District, Amoron'i Mania Region, Fianarantsoa Province Madagascar (07/2017)
Specimen size: 14.3 × 11 × 5.4 cm = 5.6 × 4.3 × 2.1
Main crystal size: 5 × 2.2 cm = 2.0 × 0.9
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Pezzottaite |
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EP66AA1: Very sharp thick tabular crystals, one of them clearly dominant, with well developed dipyramidal and pinacoidal faces and a very short prism. Their color is very intense and uniform and they are on matrix, something very uncommon with such samples. It is from the type locality.
Sakavalana Mine, Ambatovita, Mandrosonoro, Ambatofinandrahana District, Amoron'i Mania Region, Fianarantsoa Province Madagascar
Specimen size: 2.4 × 1.4 × 1.7 cm = 0.9 × 0.6 × 0.7
Main crystal size: 0.6 × 0.6 cm = 0.2 × 0.2
Type locality
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| Chrysoberyl |
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MG67AJ1: Floater twinned Chrysoberyl crystals with very well defined parallel polycrystalline growths. It is translucent, bright and has an intense yellowish green color.
Ambatondrazaka District, Alaotra-Mangoro Region, Toamasina Province (Tamatave) Madagascar
Specimen size: 4.6 × 3 × 1.5 cm = 1.8 × 1.2 × 0.6
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Rb-rich Rhodizite with Elbaite, Quartz and Feldspar |
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MJ99AJ1: Very sharp dodecahedral Rhodizite crystals, well known by its high content of rubidium, translucent, bright, with a pale greenish yellow color and on matrix with Quartz, Feldspar and red Elbaite (rubellite variety) crystals.
Antsogombato Mine, Antsentsindrano, Anosiarivo Manapa, Betafo District, Vakinankaratra Region Madagascar
Specimen size: 6.6 × 5.4 × 5.2 cm = 2.6 × 2.1 × 2.0
Main crystal size: 1.3 × 1.2 cm = 0.5 × 0.5
Feldspar fluorescence short UV & minor fluorescence long UV
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| Albite with Muscovite |
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TQ87AB2: A novelty at Tucson 2015. Parallel aggregates and polycrystalline growths of bright and translucent Albite crystals that have an unusual and beautiful clear sky blue color and are with small aggregates of laminar Muscovite. The sample has been analyzed and we will send a copy of the analysis to the buyer.
Manakana, Vohambohitra pegmatite, Tsaratanΰna District, Betsiboka Region, Mahajanga (Majunga) Province Madagascar (2014)
Specimen size: 5 × 4.4 × 3.5 cm = 2.0 × 1.7 × 1.4
Minor fluorescence short UV
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Albite with Muscovite |
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TA27AB5: A novelty at Tucson 2015. Parallel aggregates and polycrystalline growths of bright and translucent Albite crystals that have an unusual and beautiful clear sky blue color and are with small aggregates of laminar Muscovite. The sample has been analyzed and we will send a copy of the analysis to the buyer.
Manakana, Vohambohitra pegmatite, Tsaratanΰna District, Betsiboka Region, Mahajanga (Majunga) Province Madagascar (2014)
Specimen size: 6 × 4.9 × 5.5 cm = 2.4 × 1.9 × 2.2
Main crystal size: 3.8 × 3 cm = 1.5 × 1.2
Minor fluorescence short UV
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| Albite with Muscovite |
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TP67AB2: A novelty at Tucson 2015. Parallel aggregates and polycrystalline growths of bright and translucent Albite crystals that have an unusual and beautiful clear sky blue color and are with small aggregates of laminar Muscovite. The sample has been analyzed and we will send a copy of the analysis to the buyer.
Manakana, Vohambohitra pegmatite, Tsaratanΰna District, Betsiboka Region, Mahajanga (Majunga) Province Madagascar (2014)
Specimen size: 7.5 × 6.8 × 4.9 cm = 3.0 × 2.7 × 1.9
Minor fluorescence short UV
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Fluorite |
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TP28AH0: A novelty at Tucson 2018. A group of Fluorite crystal cubes between translucent and transparent, with a very deep green color and marine-blue dichroism clearly visible in sunlight. The locality is totally new and, even though Madagascar is a well-known mineralogical paradise, there were no other references to Fluorite occurrences other than the small crystals included in Quartz from Mandronarivo.
Mandronarivo area, Beroroha District, Atsimo Andrefana Region, Toliara Province (Tulιar) Madagascar (08-11/2017)
Specimen size: 5.9 × 4.8 × 4.8 cm = 2.3 × 1.9 × 1.9
Main crystal size: 2.5 × 2.4 cm = 1.0 × 0.9
Fluorescent long & short UV
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| Fluorite |
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TB87AH0: A novelty at Tucson 2018. A group of Fluorite crystal cubes between translucent and transparent, with white inclusions, a very deep green color and marine-blue dichroism, clearly visible in sunlight. The locality is totally new and, even though Madagascar is a well-known mineralogical paradise, there were no more references to Fluorite occurrences other than the small crystals included in Quartz from Mandronarivo.
Mandronarivo area, Beroroha District, Atsimo Andrefana Region, Toliara Province (Tulιar) Madagascar (08-11/2017)
Specimen size: 15.8 × 12.4 × 6.8 cm = 6.2 × 4.9 × 2.7
Main crystal size: 5 × 3 cm = 2.0 × 1.2
Fluorescent long & short UV
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Grandidierite |
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MY87AE2: A novelty at Tucson 2016. An isolated crystal, translucent, bright, with a uniform and intense bluish-green color, with very well defined and deeply striated prismatic faces for the species. Of an excellent quality for this rare silicate.
Grandidierite deposit, Tranomaro Commune, Tranomaro-Maromby area, Amboasary District, Anosy Region (Fort Dauphin Region), Toliara Province (Tulιar) Madagascar (05-12/2015)
Specimen size: 2.4 × 2.2 × 1 cm = 0.9 × 0.9 × 0.4
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| Grandidierite with Quartz, Feldspar, Diopside and Mica |
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TG29AD0: A novelty at Tucson 2016. An isolated crystal on matrix. It is translucent, bright, with a uniform and intense bluish-green color and with very well defined prismatic faces. Of an excellent quality for this rare silicate.
Grandidierite deposit, Tranomaro Commune, Tranomaro-Maromby area, Amboasary District, Anosy Region (Fort Dauphin Region), Toliara Province (Tulιar) Madagascar (05-12/2015)
Specimen size: 2.6 × 2.6 × 1.4 cm = 1.0 × 1.0 × 0.6
Main crystal size: 2.5 × 1.4 cm = 1.0 × 0.6
Diopside fluorescent
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Grandidierite with Feldspar and Diopside |
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TR49AD0: A novelty at Tucson 2016. An isolated crystal on matrix. It is translucent, bright, with a uniform and intense bluish-green color and with very well defined prismatic faces. Of an excellent quality for this rare silicate.
Grandidierite deposit, Tranomaro Commune, Tranomaro-Maromby area, Amboasary District, Anosy Region (Fort Dauphin Region), Toliara Province (Tulιar) Madagascar (05-12/2015)
Specimen size: 2.8 × 2.4 × 0.8 cm = 1.1 × 0.9 × 0.3
Diopside fluorescent
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| Grandidierite with Feldspar |
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TP50AH2: Very sharp flattened and complete crystal (on the base it has small fragments of a feldspar matrix) with very well defined faces and edges and a perfect termination, slightly rough but free of damage. It is translucent and has a very deep and uniform bluish-green color. Among the best for this very rare species, a classic from Madagascar.
Tranomaro Commune, Tranomaro-Maromby area, Amboasary District, Anosy Region (Fort Dauphin Region), Toliara Province (Tulιar) Madagascar (02-06/2017)
Specimen size: 2.9 × 2.3 × 0.8 cm = 1.1 × 0.9 × 0.3
Main crystal size: 2.9 × 1.6 cm = 1.1 × 0.6
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Grandidierite with Feldspar, Schorl and Diopside |
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TC71AD0: A novelty at Tucson 2016. Parallel growth, on matrix, of translucent and bright crystals with a uniform bluish green color and with very well defined prismatic faces. Of an excellent quality for this rare silicate.
Grandidierite deposit, Tranomaro Commune, Tranomaro-Maromby area, Amboasary District, Anosy Region (Fort Dauphin Region), Toliara Province (Tulιar) Madagascar (05-12/2015)
Specimen size: 4 × 2.6 × 2.3 cm = 1.6 × 1.0 × 0.9
Diopside fluorescent
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| Grandidierite with Quartz, Feldspar and Diopside |
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TC69AD0: A novelty at Tucson 2016. Parallel growth, on matrix, of translucent and very bright crystals with a uniform and intense bluish green color and with very well defined prismatic faces. Of an excellent quality for this rare silicate.
Grandidierite deposit, Tranomaro Commune, Tranomaro-Maromby area, Amboasary District, Anosy Region (Fort Dauphin Region), Toliara Province (Tulιar) Madagascar (05-12/2015)
Specimen size: 5.6 × 3.3 × 2.5 cm = 2.2 × 1.3 × 1.0
Main crystal size: 4 × 1.8 cm = 1.6 × 0.7
Diopside fluorescent
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Grandidierite with Quartz and Feldspar |
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MX51AD5: A novelty at Tucson 2016. Single crystals on a massive Quartz matrix. The crystals have some very well developed faces and edges on the prism, which is very uncommon for the species. The crystal is translucent and bright and has a uniform greenish blue color. Of an excellent quality for this rare silicate.
Grandidierite deposit, Tranomaro Commune, Tranomaro-Maromby area, Amboasary District, Anosy Region (Fort Dauphin Region), Toliara Province (Tulιar) Madagascar (05-12/2015)
Specimen size: 6.5 × 3.5 × 4 cm = 2.6 × 1.4 × 1.6
Main crystal size: 4 × 1.4 cm = 1.6 × 0.6
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| Grandidierite with Feldspar and Quartz |
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TD86AH6: Group of Grandidierite crystals on matrix, one of them clearly dominant and very large for the species. The crystals, unusually well defined, are translucent and have a uniform and intense bluish-green color. The main crystal has a rough termination but it is complete, as the detailed image shows. The sample has great quality for this rare silicate.
Tranomaro Commune, Tranomaro-Maromby area, Amboasary District, Anosy Region (Fort Dauphin Region), Toliara Province (Tulιar) Madagascar (02-06/2017)
Specimen size: 7.5 × 4.8 × 3.2 cm = 3.0 × 1.9 × 1.3
Main crystal size: 5.1 × 2.4 cm = 2.0 × 0.9
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Zircon |
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MQ90AE7: Two very well defined crystals on matrix formed by a prism and a dipyramid. The main crystal is partially doubly terminated.
Betroka District, Anosy Region (Fort Dauphin Region), Toliara Province (Tulιar) Madagascar
Specimen size: 3.2 × 1.5 × 1.4 cm = 1.3 × 0.6 × 0.6
Main crystal size: 2.5 × 1.3 cm = 1.0 × 0.5
Minor fluorescence short UV
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| Twinned Calcite |
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TC37F3: A novelty from Madagascar, but a common species: Calcite. An attractive group in which the sharpness of the crystals stands out. They stand out for their color, brilliance, and the presence of extraordinarily unusual twinning formed by the interpenetration of two rhombohedra.
Basalt Quarry, Ambariomiambana, Sambava District, Sava Region Madagascar (08/2004)
Specimen size: 5.2 × 3.3 × 2.3 cm = 2.0 × 1.3 × 0.9
Main crystal size: 2.6 × 1.7 cm = 1.0 × 0.7
Fluorescent long & short UV
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Twinned Calcite |
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TC67J3: Group of crystals from the August 2004, find. The aggregate is very attractive and we note the clearness of the crystals, the color and luster and, especially, the existence of twins formed by the contact of two rhombohedrons.
Basalt Quarry, Ambariomiambana, Sambava District, Sava Region Madagascar (08/2004)
Specimen size: 6.7 × 4 × 3.7 cm = 2.6 × 1.6 × 1.5
Main crystal size: 4.5 × 3 cm = 1.8 × 1.2
Intense zoned fluorescence long & short UV
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| Cuprite with Calcite and Chrysocolla |
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EB56Y6: Group, of very sharp octahedral Cuprite crystals that are extraordinarily bright and have a deep red color. On matrix with Calcite and Chrysocolla.
Mashamba West Mine, Kolwezi District, Katanga Copper Crescent, Katanga (Shaba) Congo DR (Zaire)
Specimen size: 3.2 × 2.2 × 2.4 cm = 1.3 × 0.9 × 0.9
Main crystal size: 0.7 × 0.7 cm = 0.3 × 0.3
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Cuprite with Chrysocolla |
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TC90AJ8: Group of crystals formed by the octahedron and the dodecahedron, partially flattened and deformed, translucent with a very deep red color, and on matrix with Malachite.
The sample is from the Edward L. Loye collection whose label we will send to the buyer.
Mashamba West Mine, Kolwezi District, Katanga Copper Crescent, Katanga (Shaba) Congo DR (Zaire)
Specimen size: 5.5 × 4.1 × 3.3 cm = 2.2 × 1.6 × 1.3
Main crystal size: 2.2 × 2.2 cm = 0.9 × 0.9
Former collection of Edward R Loye
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| Cuprite with Calcite |
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MB67AF2: Very sharp octahedral Cuprite crystals. They are very bright, and have a very intense and deep red color visible under an intense light. The Cuprite esthetically contrasts with the white Calcite coating the vug on a rocky matrix.
Mashamba West Mine, Kolwezi District, Katanga Copper Crescent, Katanga (Shaba) Congo DR (Zaire)
Specimen size: 6.5 × 5 × 4.4 cm = 2.6 × 2.0 × 1.7
Main crystal size: 0.7 × 0.6 cm = 0.3 × 0.2
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Cuprite with Plancheite |
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TR16AE1: Very sharp and slightly elongated octahedral crystal with very well defined faces and edges and fine polycrystalline growths. The crystals are perfectly individualized and on matrix, and they show a very vivid red color when backlit by an intense light beam.
Mashamba West Mine, Kolwezi District, Katanga Copper Crescent, Katanga (Shaba) Congo DR (Zaire)
Specimen size: 7.3 × 4.8 × 2.4 cm = 2.9 × 1.9 × 0.9
Main crystal size: 2 × 1.4 cm = 0.8 × 0.6
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| Cuprite with Calcite |
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AH16Q6: Groups of octahedral crystals with very well defined faces and edges and a deep red color on internal reflection. They are in a cavity that protects them.
Mashamba West Mine, Kolwezi District, Katanga Copper Crescent, Katanga (Shaba) Congo DR (Zaire) (1994)
Specimen size: 8.5 × 7.4 × 5.4 cm = 3.3 × 2.9 × 2.1
Main crystal size: 0.5 × 0.4 cm = 0.2 × 0.2
Former collection of Josep Amigó (Silvane)
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Malachite XX |
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TQ91AI8: Malachite Druse of very well defined primary Malachite crystals that are rich with polycrystalline growths that are bright and have a very deep color. We note that, curiously, the Congo is not well known for its primary Malachite specimens.
The sample is from the A.J. & S. Koster collections and, previously, it was in the Gilbert Gauthier collection. We will send the labels of the two collections to the buyer.
Mashamba West Mine, Kolwezi District, Katanga Copper Crescent, Katanga (Shaba) Congo DR (Zaire)
Specimen size: 7 × 4.6 × 3.2 cm = 2.8 × 1.8 × 1.3
Main crystal size: 1.3 × 1.3 cm = 0.5 × 0.5
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| Azurite |
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EX93AH9: Floater group of rosette growths of flattened crystals that are very bright with a very vivid color. The sample has an extraordinary quality for the best well known at the locality.
Kimbwι, Kinsevere District, Katanga Copper Crescent, Katanga (Shaba) Congo DR (Zaire)
Specimen size: 5.8 × 5 × 3.4 cm = 2.3 × 2.0 × 1.3
Main crystal size: 0.8 × 0.5 cm = 0.3 × 0.2
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Carrollite with Mica |
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TH43AH0: A novelty at Tucson 2018. Very sharp and aerial cubo-octahedral crystal, complete and on matrix, with Mica. It has two small contacts on the left side, recrystallized by the Carrollite itself. The sample is from a recent find of samples of a great quality.
The specimen has been reviewed, photographed and published as a new discovery in the magazine Mineral Up on page 44 of the 2018/01 edition.
Kamoya South II Mine, Kamoya, Kambove District, Katanga Copper Crescent, Katanga (Shaba) Congo DR (Zaire) (2016-2017)
Specimen size: 2.4 × 1.8 × 1.8 cm = 0.9 × 0.7 × 0.7
Main crystal size: 1.9 × 1.9 cm = 0.7 × 0.7
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| Carrollite with Mica |
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TM27AH0: A novelty at Tucson 2018. Single, very aerial and very sharp cubo-octahedral crystal, slightly elongated, complete and on a tiny bit of Mica matrix. The sample is from a recent find of samples of great quality.
The specimen has been photographed and published in the magazine Paragιnesis, number 02/2018, page 88
Kamoya South II Mine, Kamoya, Kambove District, Katanga Copper Crescent, Katanga (Shaba) Congo DR (Zaire) (2016-2017)
Specimen size: 3.6 × 3 × 2.6 cm = 1.4 × 1.2 × 1.0
Main crystal size: 3.6 × 2.4 cm = 1.4 × 0.9
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Dioptase with Plancheite |
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DM49AC8: Aggregate of very well defined Dioptase crystals. They are aerial, translucent, and bright. They have a very deep color and are on a rocky matrix partially coated by fibrous Plancheite aggregates. The crystals have a better luster and color than usual for the locality.
Tantara Mine, Shinkolobwe, Katanga Copper Crescent, Katanga (Shaba) Congo DR (Zaire)
Specimen size: 5.6 × 4.2 × 4.2 cm = 2.2 × 1.7 × 1.7
Main crystal size: 1.2 × 0.4 cm = 0.5 × 0.2
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| Dioptase with Bayldonite |
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TP91Y3: Dioptase crystals of a considerable size, on matrix, with very well defined faces and edges and partially coated by small botryoidal growths of yellowish-green Bayldonite.
Tantara Mine, Shinkolobwe, Katanga Copper Crescent, Katanga (Shaba) Congo DR (Zaire)
Specimen size: 9.5 × 7.7 × 5.7 cm = 3.7 × 3.0 × 2.2
Main crystal size: 2.1 × 1.2 cm = 0.8 × 0.5
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Microcline (variety amazonite) with Albite |
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MF46AI4: Single and partially doubly terminated Microcline (amazonite variety) crystal with very well defined faces and edges, a good green color, not as bluish as the classic Colorado amazonites, and on a matrix of Quartz and Albite. The sample is from the Carles Manresa collection whose label well send to the buyer.
The specimen has been photographed and published in the magazine Paragιnesis, number 02/2018, page 87
Kenticha, Sidamo Province, SNNPR Region Ethiopia
Specimen size: 5.5 × 5 × 2.8 cm = 2.2 × 2.0 × 1.1
Main crystal size: 4.8 × 4.2 cm = 1.9 × 1.7
Minor fluorescence short UV
Former collection of Carles Manresa
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| Rhodochrosite |
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EH16AD7: Aggregate of very acute scalenohedral crystals. They are between transparent and translucent, with a color between red and mauve, very intense, deep and uniform, and are on a matrix of manganese oxides. A great classic although the locality is not well known for samples as fine as this one.
Moanda Mine, Moanda, Lιboumbi-Leyou Department, Haut-Ogoouι Province Gabon
Specimen size: 8.3 × 4.4 × 4.6 cm = 3.3 × 1.7 × 1.8
Main crystal size: 0.7 × 0.4 cm = 0.3 × 0.2
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If you want to know more about the Andradite (demantoid variety) from Ambanja please follow this link
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Andradite (variety topazolite) with Stilbite |
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TQ94Q0: A novelty at Tucson 2010. Druse on matrix of crystals very rich of faces, with the dominant forms of the dodecahedron and the trapezohedron and brown color, slightly greenish. Their luster is extraordinary and they are with small white concretions of Stilbite. The Topazolite variety has been well defined on this kind of samples and this will be reflected in a future article in The Mineralogical Record.
Antetezambato outcrop, Antetezambato, Maherivaratra Commune, Ambanja District, Antsiranana Province Madagascar (05-06/2009)
Specimen size: 8.7 × 7.2 × 2.9 cm = 3.4 × 2.8 × 1.1
Main crystal size: 1.5 × 1.2 cm = 0.6 × 0.5
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| Andradite (variety demantoid) |
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TK52S9: Transparent complex crystals of intense green color, on matrix. They have dominant forms of the trapezohedron and the dodecahedron, but they also show cube faces, small but perfectly visible. Some of the crystals have curious deformations, to the degree that one of them is almost completely flattened.
Antetezambato outcrop, Antetezambato, Maherivaratra Commune, Ambanja District, Antsiranana Province Madagascar (08/2009)
Specimen size: 7.3 × 6.3 × 4.8 cm = 2.9 × 2.5 × 1.9
Main crystal size: 1.8 × 1.2 cm = 0.7 × 0.5
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Aegirine with Quartz (variety smoky) and Feldspar |
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EA76AE4: Very curious doubly terminated smoky Quartz crystals, one of them clearly dominant, flattened and with very sharp and well defined faces and edges. The Quartz is with Aegirine crystals, some of them doubly terminated, and small Orthoclase and Zircon crystals.
Mount Malosa, Zomba District Malawi (2014)
Specimen size: 5 × 3.6 × 2.3 cm = 2.0 × 1.4 × 0.9
Main crystal size: 3.5 × 1.1 cm = 1.4 × 0.4
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| Arfvedsonite with Aegirine and Orthoclase |
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EC90AH4: Very well defined Arfvedsonite crystals with acute polycrystalline terminations. They are bright with a very deep green color and are on a matrix of Orthoclase crystals that very well defined Baveno twins, and black prismatic Aegirine crystals around the base of the Arfvedsonite crystal.
Mount Malosa, Zomba District Malawi (2014)
Specimen size: 14 × 10.5 × 6.8 cm = 5.5 × 4.1 × 2.7
Main crystal size: 9 × 1.2 cm = 3.5 × 0.5
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Epididymite with Aegirine |
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EP66AG9: A single floater crystal that has extraordinarily well defined faces and edges. It is translucent, white and has small black acicular crystals on its base. Due to the singularity and perfection of the crystal it has been analyzed to positively identify the species. Well send a copy of the analysis to the buyer.
Machinga, Machinga District Malawi (02/2017)
Specimen size: 1.6 × 1.6 × 0.9 cm = 0.6 × 0.6 × 0.4
Fluorescent short UV
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| Eudidymite |
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EB14AC5: Aggregate of laminar very well shaped crystals with acute terminations in parallel growth. Eudidymite is a very uncommon species but characteristic of Mount Malosa. The sample has been analyzed and well send a copy of the analysis to the buyer.
Mount Malosa, Zomba District Malawi (2005)
Specimen size: 4.2 × 1.5 × 0.2 cm = 1.7 × 0.6 × 0.1
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Tantalite-(Mn) on Lepidolite after Elbaite |
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NV69AI8: Isolated Tantalite-(Mn) crystals with very well defined faces and edges, translucent with a very vivid red color and implanted on a Lepidolite (after Elbaite) crystal with a fibrous aspect, also with Feldspar.
This sample has been referenced and figured as a novelty in Ste. Marie 2017, in the magazine "Le Rθgne Minιral" (Num. 144. 2018; page 36)
Naipa Mine, Alto Ligonha District, Zambezia Province Mozambique (07/2017)
Specimen size: 7.8 × 2.6 × 2.4 cm = 3.1 × 1.0 × 0.9
Main crystal size: 0.7 × 0.4 cm = 0.3 × 0.2
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| Lepidolite after Elbaite with Tantalite-(Mn) |
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MX70AG3: A novelty at Munich 2017. Parallel growths, with a fibrous aspect, of Lepidolite (series) pseudomorphous after an Elbaite crystal, with doubly terminated Tantalite-(Mn) crystals with very well defined faces and edges, transparent and with a very vivid red color.
This specimen was photographed for the Munich 2017 section of the magazine Mineralien Welt and appears on page 70 of number 1/2018
Naipa Mine, Alto Ligonha District, Zambezia Province Mozambique (07/2017)
Specimen size: 4.9 × 2.8 × 2.4 cm = 1.9 × 1.1 × 0.9
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Lepidolite after Elbaite with Elbaite |
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NX51AH2: A novelty at Munich 2017. Parallel growths of Lepidolite (series) crystals pseudomorphous after Elbaite. They are bright with a rich pink color, with channels and other dissolution forms and with the crystalline remains of Elbaite (verdelite variety) on the upper end.
Naipa Mine, Alto Ligonha District, Zambezia Province Mozambique (07/2017)
Specimen size: 10.5 × 3.8 × 3.7 cm = 4.1 × 1.5 × 1.5
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| Elbaite |
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EP88AE4: A single crystal with very well defined terminal faces consisting of a dominant pinacoid and a rhombohedron. It is transparent, with an intense red color at the base and a blue termination, popularly known as a blue cap. It is different from what is usually found at this mine.
Naipa Mine, Alto Ligonha District, Zambezia Province Mozambique (08/2016)
Specimen size: 2 × 1.7 × 1.6 cm = 0.8 × 0.7 × 0.6
Weight: 11 grams
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Elbaite |
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ER70AE4: Single crystal with very well defined parallel growth and terminal faces. It is transparent and has colored zones alternating between pink and bluish green. It is different from what is usually found at this mine.
Naipa Mine, Alto Ligonha District, Zambezia Province Mozambique (08/2016)
Specimen size: 4.2 × 2.2 × 1.4 cm = 1.7 × 0.9 × 0.6
Weight: 22 grams
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| Elbaite |
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EQ73AE4: Single crystal with a very well defined parallel growth and very well defined terminal faces. It is transparent and has colored stripes alternating pink and bluish green color. Its different to the most usually found at this mine.
This specimen was published on the Mineralogical Record΄s web page, in the What's New section, report 45, January 2, 2017 edition.
Naipa Mine, Alto Ligonha District, Zambezia Province Mozambique (08/2016)
Specimen size: 5.1 × 2.2 × 2.2 cm = 2.0 × 0.9 × 0.9
Weight: 42 grams
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Schorl with Quartz |
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TG13AJ8: Very aerial and doubly terminated Schorl crystals formed by a short prism and terminal flat rhombohedral faces. They are very bright and are on matrix with small Quartz crystals. Sculptural, extraordinarily esthetic.
Erongo Mountain, Usakos, Erongo Region Namibia
Specimen size: 6.2 × 5.1 × 3.3 cm = 2.4 × 2.0 × 1.3
Main crystal size: 1.3 × 1.3 cm = 0.5 × 0.5
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| Schorl |
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MF96AI4: Very aerial aggregate of Schorl crystals that have very well defined crystalline forms with polycrystalline growths and they are very bright.
Davib East Farm 61 (Davib Ost Farm), Karibib District, Erongo Region Namibia
Specimen size: 8.9 × 7.1 × 5.6 cm = 3.5 × 2.8 × 2.2
Main crystal size: 4 × 3.8 cm = 1.6 × 1.5
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Quartz (variety amethyst) with Prehnite, Quartz and Calcite |
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TX71AF0: Very bright Quartz crystal with a very sharply defined amethyst colored phantom and an aesthetic color gradation, clearer near the base and the termination and very intense in the central zone. It is with Prehnite and Calcite and is on matrix, which is very rare with samples from this region. Badly popularized as Brandberg, the true locality is Gobobos, another nearby volcano. The sample was from Charles Key.
Goboboseb Mountains, Brandberg area, Erongo Region Namibia
Specimen size: 7 × 6.3 × 5.3 cm = 2.8 × 2.5 × 2.1
Main crystal size: 6.4 × 2.3 cm = 2.5 × 0.9
Calcite fluorescent short UV
From Charles Key
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| Fluorite (scepter) |
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TP66AF0: Scepter growth of an octahedral Fluorite crystal with polycrystalline growths on its faces. It is bright, between transparent and translucent, and has a pale green color, more intense at the base. The sample was from Charles Key.
Erongo Mountain, Usakos, Erongo Region Namibia
Specimen size: 2.4 × 1.6 × 1.7 cm = 0.9 × 0.6 × 0.7
From Charles Key
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Fluorite (scepter) |
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TM48AF0: Scepter growth of an octahedral Fluorite crystal with polycrystalline growths on its faces. It is bright, between transparent and translucent, has a pale green color and it is on a irregular Fluorite base that has a deeper and more intense green color. The sample was from Charles Key.
Erongo Mountain, Usakos, Erongo Region Namibia
Specimen size: 3.6 × 2.4 × 2.8 cm = 1.4 × 0.9 × 1.1
From Charles Key
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| Fluorite with Quartz (variety smoky) |
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EG88AE2: An aggregate of crystals showing the cube, octahedron and dodecahedron. They are between transparent and translucent, have a very deep green color with violet zones in some areas of each crystal and with inclusions that resemble eyes, the reason why this Fluorite is called alien. On matrix, with Quartz crystals.
Erongo Mountain, Usakos, Erongo Region Namibia
Specimen size: 8 × 5.3 × 3.7 cm = 3.1 × 2.1 × 1.5
Main crystal size: 2.5 × 2.4 cm = 1.0 × 0.9
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Malachite with Calcite |
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TD89AJ3: Groups of acicular Malachite crystals with a fibrous aspect, with a very vivid silky luster and with color changes from a clearer to a darker green depending on orientation. On matrix with pinkish scalenohedral Calcite crystals. An excellent classic from Namibia.
Ogonja (Onganja), Seeis, Windhoek District, Khomas Region Namibia
Specimen size: 10 × 4 × 4.4 cm = 3.9 × 1.6 × 1.7
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TJ13AH7: Very aerial dendritic growth with dodecahedral crystals that have very well defined faces and edges, with slight curvatures.
Ogonja (Onganja), Seeis, Windhoek District, Khomas Region Namibia
Specimen size: 3.7 × 1.9 × 1.1 cm = 1.5 × 0.7 × 0.4
Main crystal size: 0.4 × 0.2 cm = 0.2 × 0.1
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Dioptase with Plancheite and Quartz |
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ED90AI5: Isolated Dioptase crystals, one of them clearly dominant, that are partially doubly terminated, bright, with a deep color and on a matrix of crystalline Quartz partially coated by Planchιite.
The sample is from the Raϊl Sanabria collection whose label well send to the buyer.
Kandesei Mine, Kaokoveld Plateau, Kunene Region Namibia (±2007)
Specimen size: 5.6 × 4.5 × 4.1 cm = 2.2 × 1.8 × 1.6
Main crystal size: 1.6 × 0.8 cm = 0.6 × 0.3
Former collection of Raúl Sanabria
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| Tarbuttite |
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TE89AH4: Fan-like growths of very Sharp Tarbuttite crystals with very well defined faces and edges, translucent, bright and with a very uniform green color. The sample is of great quality both for the species and for its locality.
Skorpion Mine, Rosh Pinah, Lόderitz District, Karas Region Namibia
Specimen size: 4.5 × 4.4 × 2.2 cm = 1.8 × 1.7 × 0.9
Fluorescence short UV & minor fluorescence long UV
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Smithsonite with Hemimorphite |
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MF9AC6: Botryoidal aggregates of small white Smithsonite crystals on a matrix coated by small and very bright Hemimorphite crystals.
Skorpion Mine, Rosh Pinah, Lόderitz District, Karas Region Namibia (2007-2010)
Specimen size: 7.1 × 5.9 × 5.9 cm = 2.8 × 2.3 × 2.3
Main crystal size: 1.5 × 1.1 cm = 0.6 × 0.4
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| Quartz |
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TT27AF1: Group of crystals, some of them partially doubly terminated, with very well defined phantom growths of red Hematite inclusions. They have an amethystine nucleus visible under a strong light.
Orange River, Warmbad, Karasburg District, Karas Region Namibia (± 1980)
Specimen size: 4.8 × 3.7 × 5.3 cm = 1.9 × 1.5 × 2.1
Main crystal size: 1.8 × 1.7 cm = 0.7 × 0.7
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Smithsonite |
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TM27AB5: Aggregate, on matrix, of translucent rhombohedral Smithsonite crystals with a deep brown color and slightly orange shades. A classic from Namibia with great quality.
Berg Aukas, Grootfontein District, Otjozondjupa Region Namibia
Specimen size: 4.8 × 4.2 × 2.9 cm = 1.9 × 1.7 × 1.1
Main crystal size: 1 × 1 cm = 0.4 × 0.4
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| Fluorite |
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TA89Z3: Druse of cubic crystals beveled by the dodecahedron and hollow growths on the octahedral faces. The crystals are translucent, bright and have a very intense and deep mauve color, clearer on the octahedral faces.
Okorusu Mine, Otjiwarongo District, Otjozondjupa Region Namibia
Specimen size: 10.5 × 6.6 × 1.9 cm = 4.1 × 2.6 × 0.7
Main crystal size: 1.2 × 0.7 cm = 0.5 × 0.3
Minor fluorescence long & short UV
Former collection of Carolyn Seitz
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Beryl (variety emerald) |
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MA87AJ1: Doubly terminated crystal with two different terminations, one of them polycrystalline, with pyramidal faces, and the opposite flat and slightly rough. The crystal is very transparent and bright, has an excellent color of the best quality for the locality.
Jos Plateau, Plateau State Nigeria
Specimen size: 5.7 × 1.2 × 0.8 cm = 2.2 × 0.5 × 0.3
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| Wulfenite |
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MJ66AJ3: Group of very sharp crystals, one of them clearly dominant, with polycrystalline growths and dominant pyramidal faces. They are translucent, bright and with a very deep orange color. The sample is from a locality that is a classic for Wulfenite but where good samples are very scarce.
From the Thomas P. Moore collection whose label we will send to the buyer.
M'Fouati, M'Fouati District, Bouenza Department Republic of the Congo
Specimen size: 2.3 × 1.9 × 1 cm = 0.9 × 0.7 × 0.4
Former collection of Thomas P. Moore
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Wulfenite with Quartz |
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MA69AA9: Two isolated Wulfenite crystals, one of them clearly dominant, translucent, with an intense orange color and partially coated and fringed by Quartz crystals, also present on the rocky matrix. Excellent quality for the locality.
Mindouli, Mindouli District, Pool Department Republic of the Congo (2012)
Specimen size: 6.2 × 5.4 × 3 cm = 2.4 × 2.1 × 1.2
Main crystal size: 1.5 × 1.1 cm = 0.6 × 0.4
Former collection Caroline Martaud (Wulfenites)
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| Dioptase |
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TR93AF6: Druse of rhombohedral crystals with very well defined faces and edges, extraordinarily bright and on matrix.
The sample is from the Vallecillo collection, Madrid.
Renιville, Kindanba District, Pool Department Republic of the Congo
Specimen size: 7.2 × 5 × 2.5 cm = 2.8 × 2.0 × 1.0
Main crystal size: 1.6 × 1.4 cm = 0.6 × 0.6
Former collection of José Luis Vallecillo
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Senegalite with Turquoise and Crandallite |
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EH46AC2: Very rich Senegalite vug coated by very sharp and lustrous crystals with an intense yellow color and high transparency. Between the matrix and the Senegalite, one can see a thin blue layer of Turquoise that is coating other small vugs in the matrix, accompanied by white Crandallite. The sample, from the type locality for the species, is from a very well known and find in 2008.
Kourou Diakouma Mount, Saraya, Tambacounda Region Senegal (2007-2008)
Specimen size: 6.7 × 4.5 × 2.7 cm = 2.6 × 1.8 × 1.1
Main crystal size: 0.1 × 0.1 cm = 0.0 × 0.0
Type locality
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| Octahedral Fluorite with Quartz |
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FF27AC3: Aggregate, on matrix, of very sharp octahedral Fluorite crystals that are translucent, have an intense and very uniform green color and are on a group of Quartz crystals with simple forms, and with very well defined phantom growths. The sample was in the Jan Buma collection whos catalog card well send to the buyer.
Riemvasmaak, Orange river area, Kakamas, ZF Mgcawu District, Northern Cape Province South Africa (±2005)
Specimen size: 5.7 × 5.5 × 3.9 cm = 2.2 × 2.2 × 1.5
Main crystal size: 3.1 × 3 cm = 1.2 × 1.2
Fluorescent long & short UV
Former Jan Buma collection. Number 050606
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Octahedral Fluorite |
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TP86N0: Group of very sharp octahedral crystals. They are transparent, bright and have an excellent, very intense green color. From a recent find in Riemvasmaak in 2008.
Riemvasmaak, Orange river area, Kakamas, ZF Mgcawu District, Northern Cape Province South Africa (2008)
Specimen size: 5.4 × 4.7 × 2.1 cm = 2.1 × 1.9 × 0.8
Main crystal size: 1.8 × 1.3 cm = 0.7 × 0.5
Fluorescent long & short UV
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MF37AC3: Aggregate of very sharp octahedral Fluorite crystals. They are between transparent and translucent and have an intense and very uniform green color.
Riemvasmaak, Orange river area, Kakamas, ZF Mgcawu District, Northern Cape Province South Africa (±2005)
Specimen size: 7.3 × 4.2 × 5.5 cm = 2.9 × 1.7 × 2.2
Main crystal size: 4.8 × 4.8 cm = 1.9 × 1.9
Fluorescent long & short UV
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Octahedral Fluorite with Quartz |
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MT56AG7: Very sharp octahedral Fluorite crystals, between transparent and translucent, bright and with a very intense, deep and uniform green color. They are on a Quartz matrix.
Riemvasmaak, Orange river area, Kakamas, ZF Mgcawu District, Northern Cape Province South Africa (±2015)
Specimen size: 17.4 × 9.5 × 4.6 cm = 6.9 × 3.7 × 1.8
Main crystal size: 2 × 1.9 cm = 0.8 × 0.7
Fluorescent long & short UV
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| Shigaite on Rhodochrosite |
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ML68AC5: Laminar crystals of this rare species. They have a sharp hexagonal shape, deep red-brown color and they are translucent, very bright, and are implanted on a matrix of Rhodochrosite crystals with a very intense luster and color and mainly formed by the prism and the scalenohedron.
N'Chwaning I Mine, N'Chwaning mining area, Kuruman, Kalahari manganese field (KMF), Northern Cape Province South Africa (2006)
Specimen size: 5 × 3.3 × 1.3 cm = 2.0 × 1.3 × 0.5
Main crystal size: 0.3 × 0.3 cm = 0.1 × 0.1
Rhodochrosite fluorescent short UV
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Shigaite with Rhodochrosite and Siderite |
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MT27AC8: Very aerial aggregate of laminar Shigaite crystals. They are bright and transparent, with a color between yellow and orange, and have a considerable size for the species. The Shigaite, on matrix, is implated on a botryoidal Rhodochrosite aggregate and it is with crystalline Siderite. Not bad for the species.
The specimen has been photographed and published in the magazine Paragιnesis, number 01/2016, page 80
N'Chwaning I Mine, N'Chwaning mining area, Kuruman, Kalahari manganese field (KMF), Northern Cape Province South Africa (2007)
Specimen size: 7.1 × 3.8 × 3.6 cm = 2.8 × 1.5 × 1.4
Main crystal size: 0.7 × 0.5 cm = 0.3 × 0.2
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| Jacobsite with Calcite and Andradite |
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TR11Z1: A novelty at Tucson 2013. Groups of sharp, brilliant, well defined octahedral crystals on a matrix of Calcite crystals with small Andradite crystals. The Jacobsite crystals strongly contrast with the white Calcite and make this specimen nicer than usual.
N'Chwaning III Mine, N'Chwaning mining area, Kuruman, Kalahari manganese field (KMF), Northern Cape Province South Africa (±08/2012)
Specimen size: 2.8 × 2.6 × 1.8 cm = 1.1 × 1.0 × 0.7
Main crystal size: 0.2 × 0.1 cm = 0.1 × 0.0
Calcite minor fluorescence long & short UV
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Jacobsite with Calcite and Andradite |
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TL11Z1: A novelty at Tucson 2013. Groups of sharp, brilliant, well defined octahedral crystals on a matrix of Calcite crystals with small Andradite crystals. The Jacobsite crystals strongly contrast with the white Calcite and make this specimen nicer than usual.
N'Chwaning III Mine, N'Chwaning mining area, Kuruman, Kalahari manganese field (KMF), Northern Cape Province South Africa (±08/2012)
Specimen size: 3.8 × 2.9 × 2.8 cm = 1.5 × 1.1 × 1.1
Main crystal size: 0.1 × 0.1 cm = 0.0 × 0.0
Calcite minor fluorescence long & short UV
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| Jacobsite with Calcite and Andradite |
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TA47Z9: Groups of sharp, bright and well defined octahedral crystals on a matrix of scalenohedral Calcite crystals with small Andradite crystals. The Jacobsite crystals strongly contrast with the white Calcite and make this specimen nicer than samples from other finds. We will send a copy of the Jacobsite and Andradite analyses to the buyer.
N'Chwaning III Mine, N'Chwaning mining area, Kuruman, Kalahari manganese field (KMF), Northern Cape Province South Africa (±08/2012)
Specimen size: 7.2 × 5.1 × 4.2 cm = 2.8 × 2.0 × 1.7
Main crystal size: 0.1 × 0.1 cm = 0.0 × 0.0
Calcite fluorescent short UV
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Sceptered smoky Quartz |
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TM46S1: A novelty at Tucson 2011. Sceptered, and partially windowed growth of transparent crystals, very bright in deep smoky shades and on a parallel group of crystals of white Quartz.
Steinkopf, Namakwa District (Namaqualand), Northern Cape Province South Africa (08/2010)
Specimen size: 6.2 × 2.8 × 2.4 cm = 2.4 × 1.1 × 0.9
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From the great Olmiite finds made in N'Chwaning Mine we offer this further material. The quality is, as you can see, much better than the Poldervaartites found in the Wessels Mine. Notably the color is much more intense and redder. On the subject of the color it is necessary to warn you that some of these new Olmiites show an intense color change depending of the kind of light used: in day light they become yellowish but in artificial light they are a spectacular strawberry red color.
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EG6K9: Excellent miniature. The prismatic crystals are similar to a wheatsheaf with good brilliance and color. On rocky matrix.
N'Chwaning II Mine, section 5 south, stope 46-47 roof, N'Chwaning mining area, Kuruman, Kalahari manganese field (KMF), Northern Cape Province South Africa (01/2002)
Specimen size: 2.5 × 2 × 1.4 cm = 1.0 × 0.8 × 0.6
Main crystal size: 1.2 × 0.8 cm = 0.5 × 0.3
Type locality
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Olmiite with Calcite |
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MA27AH0: Complex and very aerial Olmiite crystal with parallel and polycrystalline growths, with very well defined faces and edges, translucent with a pink color changing to reddish in incandescent light. It is on matrix, with white Calcite crystals.
The sample, a South African classic, is from the Desmond Sacco collection, whose label well send to the buyer.
N'Chwaning II Mine, N'Chwaning mining area, Kuruman, Kalahari manganese field (KMF), Northern Cape Province South Africa (2017)
Specimen size: 3.5 × 3.4 × 3.2 cm = 1.4 × 1.3 × 1.3
Main crystal size: 2.4 × 1.8 cm = 0.9 × 0.7
With handwritten label from the Desmond Sacco Collection
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Fluorescent light (day light) | 
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Bultfonteinite is a rare phyllosilicate (calcium fluorsilicate) that exists in the N'Chwaning mine along with another rare phyllosilicate (also calcium), Oyelite. In fact, while awaiting the analysis of these specimens we had indicated on the web site that they were Oyelite, as previous finds from the same mine with the same appearance and white color had always been considered Oyelite. So when we got the results of the analysis, much to our surprise, the fluor present in the sample as well as the atomic ratio of Ca/Si=1:2 indicates that the specimens are Bultfonteinite and not Oyelite.
| Bultfonteinite with Hydroxyapophyllite-(K) and Calcite |
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EM46R1: Fanlike groups of snowy white acicular crystals of Bultfonteinite replacing the faces of short elongated crystals of Hydroxyapophyllite-(K) which has a pseudocubic habit. In some cases the replacement is deeper and forms a more or less complete pseudomorph of the preexisting Hydroxyapophyllite-(K). All are on a matrix of clear, complex, crystals of Calcite. Well send a copy of the analysis to the buyer of the piece.
N'Chwaning II Mine, N'Chwaning mining area, Kuruman, Kalahari manganese field (KMF), Northern Cape Province South Africa (2006)
Specimen size: 2 × 2 × 1.9 cm = 0.8 × 0.8 × 0.7
Main crystal size: 1.7 × 1.5 cm = 0.7 × 0.6
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Bultfonteinite with Hydroxyapophyllite-(K) and Calcite |
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EC63R1: Fanlike groups of snowy white acicular crystals of Bultfonteinite replacing the faces of short elongated crystals of Hydroxyapophyllite-(K) which has a pseudocubic habit. In some cases the replacement is deeper and forms a more or less complete pseudomorph of the preexisting Hydroxyapophyllite-(K). All are on a matrix of clear, complex, crystals of Calcite. Well send a copy of the analysis to the buyer of the piece.
N'Chwaning II Mine, N'Chwaning mining area, Kuruman, Kalahari manganese field (KMF), Northern Cape Province South Africa (2006)
Specimen size: 3.4 × 2.7 × 2.9 cm = 1.3 × 1.1 × 1.1
Main crystal size: 0.7 × 0.7 cm = 0.3 × 0.3
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| Bultfonteinite with Hydroxyapophyllite-(K) and Calcite |
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EV13R1: Fanlike groups of snowy white acicular crystals of Bultfonteinite replacing the faces of short elongated crystals of Hydroxyapophyllite-(K) which has a pseudocubic habit. In some cases the replacement is deeper and forms a more or less complete pseudomorph of the preexisting Hydroxyapophyllite-(K). All are on a matrix of clear, complex, crystals of Calcite. Well send a copy of the analysis to the buyer of the piece.
N'Chwaning II Mine, N'Chwaning mining area, Kuruman, Kalahari manganese field (KMF), Northern Cape Province South Africa (2006)
Specimen size: 3.5 × 3.3 × 2 cm = 1.4 × 1.3 × 0.8
Main crystal size: 1.2 × 1.1 cm = 0.5 × 0.4
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Bultfonteinite with Hydroxyapophyllite-(K) and Calcite |
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EZ63R1: Fanlike groups of snowy white acicular crystals of Bultfonteinite replacing the faces of short elongated crystals of Hydroxyapophyllite-(K) which has a pseudocubic habit. In some cases the replacement is deeper and forms a more or less complete pseudomorph of the preexisting Hydroxyapophyllite-(K). All are on a matrix of clear, complex, crystals of Calcite. Well send a copy of the analysis to the buyer of the piece.
N'Chwaning II Mine, N'Chwaning mining area, Kuruman, Kalahari manganese field (KMF), Northern Cape Province South Africa (2006)
Specimen size: 3.6 × 3.1 × 2.8 cm = 1.4 × 1.2 × 1.1
Main crystal size: 0.7 × 0.6 cm = 0.3 × 0.2
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| Bultfonteinite with Hydroxyapophyllite-(K) and Calcite |
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EW26R1: Fanlike groups of snowy white acicular crystals of Bultfonteinite replacing the faces of short elongated crystals of Hydroxyapophyllite-(K) which has a pseudocubic habit. In some cases the replacement is deeper and forms a more or less complete pseudomorph of the preexisting Hydroxyapophyllite-(K). All are on a matrix of clear, complex, crystals of Calcite. Well send a copy of the analysis to the buyer of the piece.
The specimen has been reviewed, photographed and published as a new discovery in the magazine Rivista Mineralogica Italiana on page 51 in number 2011/1
N'Chwaning II Mine, N'Chwaning mining area, Kuruman, Kalahari manganese field (KMF), Northern Cape Province South Africa (2006)
Specimen size: 4.1 × 2.6 × 2.5 cm = 1.6 × 1.0 × 1.0
Main crystal size: 1 × 1 cm = 0.4 × 0.4
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Bultfonteinite with Hydroxyapophyllite-(K) and Calcite |
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EV12R1: Fanlike groups of snowy white acicular crystals of Bultfonteinite replacing the faces of short elongated crystals of Hydroxyapophyllite-(K) which has a pseudocubic habit. In some cases the replacement is deeper and forms a more or less complete pseudomorph of the preexisting Hydroxyapophyllite-(K). All are on a matrix of clear, complex, crystals of Calcite. Well send a copy of the analysis to the buyer of the piece.
N'Chwaning II Mine, N'Chwaning mining area, Kuruman, Kalahari manganese field (KMF), Northern Cape Province South Africa (2006)
Specimen size: 4.2 × 2.6 × 3 cm = 1.7 × 1.0 × 1.2
Main crystal size: 0.8 × 0.6 cm = 0.3 × 0.2
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| Bultfonteinite with Hydroxyapophyllite-(K) and Calcite |
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ET64R1: Fanlike groups of snowy white acicular crystals of Bultfonteinite replacing the faces of short elongated crystals of Hydroxyapophyllite-(K) which has a pseudocubic habit. In some cases the replacement is deeper and forms a more or less complete pseudomorph of the preexisting Hydroxyapophyllite-(K). All are on a matrix of clear, complex, crystals of Calcite. Well send a copy of the analysis to the buyer of the piece.
N'Chwaning II Mine, N'Chwaning mining area, Kuruman, Kalahari manganese field (KMF), Northern Cape Province South Africa (2006)
Specimen size: 4.2 × 3.7 × 2.1 cm = 1.7 × 1.5 × 0.8
Main crystal size: 0.9 × 0.9 cm = 0.4 × 0.4
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Bultfonteinite with Hydroxyapophyllite-(K) and Calcite |
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ER14R1: Fanlike groups of snowy white acicular crystals of Bultfonteinite replacing the faces of short elongated crystals of Hydroxyapophyllite-(K) which has a pseudocubic habit. In some cases the replacement is deeper and forms a more or less complete pseudomorph of the preexisting Hydroxyapophyllite-(K). All are on a matrix of clear, complex, crystals of Calcite. Well send a copy of the analysis to the buyer of the piece.
N'Chwaning II Mine, N'Chwaning mining area, Kuruman, Kalahari manganese field (KMF), Northern Cape Province South Africa (2006)
Specimen size: 4.4 × 3.4 × 3.7 cm = 1.7 × 1.3 × 1.5
Main crystal size: 0.9 × 0.8 cm = 0.4 × 0.3
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| Bultfonteinite with Hydroxyapophyllite-(K) and Calcite |
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EL13R1: Fanlike groups of snowy white acicular crystals of Bultfonteinite replacing the faces of short elongated crystals of Hydroxyapophyllite-(K) which has a pseudocubic habit. In some cases the replacement is deeper and forms a more or less complete pseudomorph of the preexisting Hydroxyapophyllite-(K). All are on a matrix of clear, complex, crystals of Calcite. Well send a copy of the analysis to the buyer of the piece.
N'Chwaning II Mine, N'Chwaning mining area, Kuruman, Kalahari manganese field (KMF), Northern Cape Province South Africa (2006)
Specimen size: 4.4 × 3.8 × 1.8 cm = 1.7 × 1.5 × 0.7
Main crystal size: 1.2 × 0.7 cm = 0.5 × 0.3
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Bultfonteinite with Hydroxyapophyllite-(K) and Calcite |
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EH16R1: Fanlike groups of snowy white acicular crystals of Bultfonteinite replacing the faces of short elongated crystals of Hydroxyapophyllite-(K) which has a pseudocubic habit. In some cases the replacement is deeper and forms a more or less complete pseudomorph of the preexisting Hydroxyapophyllite-(K). All are on a matrix of clear, complex, crystals of Calcite.
N'Chwaning II Mine, N'Chwaning mining area, Kuruman, Kalahari manganese field (KMF), Northern Cape Province South Africa (2006)
Specimen size: 4.7 × 2.7 × 2.3 cm = 1.9 × 1.1 × 0.9
Main crystal size: 0.9 × 0.8 cm = 0.4 × 0.3
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| Bultfonteinite with Hydroxyapophyllite-(K) and Calcite |
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EK26R1: Fanlike groups of snowy white acicular crystals of Bultfonteinite replacing the faces of short elongated crystals of Hydroxyapophyllite-(K) which has a pseudocubic habit. In some cases the replacement is deeper and forms a more or less complete pseudomorph of the preexisting Hydroxyapophyllite-(K). All are on a matrix of clear, complex, crystals of Calcite. Well send a copy of the analysis to the buyer of the piece.
N'Chwaning II Mine, N'Chwaning mining area, Kuruman, Kalahari manganese field (KMF), Northern Cape Province South Africa (2006)
Specimen size: 4.7 × 3.4 × 2.7 cm = 1.9 × 1.3 × 1.1
Main crystal size: 1.4 × 1.4 cm = 0.6 × 0.6
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Bultfonteinite with Hydroxyapophyllite-(K) and Calcite |
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ED36R1: Fanlike groups of snowy white acicular crystals of Bultfonteinite replacing the faces of short elongated crystals of Hydroxyapophyllite-(K) which has a pseudocubic habit. In some cases the replacement is deeper and forms a more or less complete pseudomorph of the preexisting Hydroxyapophyllite-(K). All are on a matrix of clear, complex, crystals of Calcite. Well send a copy of the analysis to the buyer of the piece.
N'Chwaning II Mine, N'Chwaning mining area, Kuruman, Kalahari manganese field (KMF), Northern Cape Province South Africa (2006)
Specimen size: 9.7 × 3.7 × 3.4 cm = 3.8 × 1.5 × 1.3
Main crystal size: 1.2 × 1 cm = 0.5 × 0.4
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| Libethenite |
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VG86Y5: Parallel growth, on matrix, of dipyramidal crystals with an excellent luster and very well defined faces, with curved edges.
Nkana Mine, Mindola pit, Kitwe, Kitwe District, Copperbelt Province Zambia (±1978)
Specimen size: 6.2 × 4.3 × 2.2 cm = 2.4 × 1.7 × 0.9
Main crystal size: 0.7 × 0.6 cm = 0.3 × 0.2
Former collection of A. Mayor
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Very interesting novelty of 2007 Munich Show: trigonal crystals of Ilmenite transformed into an intimate intergrowth of Rutile and Hematite. Microscopic examination shows that Rutile (reddish) occurs as a delicate network of needles which are oriented parallel to the basal sections of the former Ilmenite, while Hematite (black) forms the interstices.
If you want to know more about Rutile and Hematite pseudomorph after Ilmenite please follow this link
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Rutile and Hematite pseudomorph after Ilmenite |
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MJ62K7: Epitaxial Rutile reticulated growth on a tabular former Ilmenite crystal pseudomorphed by Rutile and Hematite.
Mwinilunga District, North-Western Province Zambia (05/2007)
Specimen size: 6.8 × 4.8 × 2 cm = 2.7 × 1.9 × 0.8
With a copy of its analysis.
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