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FM36AA6: "Phantom" Quartz with Chalcopyrite, Cassiterite and Arsenopyrite

Transparent Quartz crystal with a very sharp phantom, its back side partially coated by Dolomite and by Cassiterite microcrystals, with Arsenopyrite and a group of very sharp and bright Chalcopyrite crystals. From the Jan Buma collection, and a rarity for Yaogangxian in that there is no Fluorite on the specimen!
Yaogangxian Mine, Yizhang, Chenzhou Prefecture, Hunan Province China
Specimen size: 6.1 × 3.1 × 3.1 cm = 2.40” × 1.22” × 1.22”

NG69AH6: 'lepidolite' after Elbaite

A novelty at Munich 2017. 'lepidolite' pseudomorphous after a single Elbaite (rubellite variety) crystal with visible parallel growths. The Elbaite is visible on the base where it is translucent with an intense pink color and rich in channels and other dissolution forms.
Naipa Mine, Alto Ligonha pegmatite, Zambezia Province Mozambique (07/2017)
Specimen size: 9.8 × 3.3 × 3.1 cm = 3.86” × 1.30” × 1.22”

HM230NY: 'lepidolite' after Elbaite and with Manganotantalite

A novelty at Munich 2017. Parallel growths, with a fibrous aspect, of 'lepidolite' 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.
Naipa Mine, Alto Ligonha pegmatite, Zambezia Province Mozambique (07/2017)
Specimen size: 4.5 × 2.8 × 3.2 cm = 1.77” × 1.10” × 1.26”

NX51AH2: 'lepidolite' after Elbaite with Elbaite

A novelty at Munich 2017. Parallel growths of 'lepidolite' 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 pegmatite, Zambezia Province Mozambique (07/2017)
Specimen size: 10.5 × 3.8 × 3.7 cm = 4.13” × 1.50” × 1.46”

MR94AG3: 'lepidolite' after Elbaite with Elbaite

A novelty at Munich 2017. Parallel growths of 'lepidolite' (series) crystals pseudomorphous after Elbaite. They are bright with an intense pink color, with channels and other dissolution forms and with the crystalline remains of Elbaite (verdelite variety) on the upper end.
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 pegmatite, Zambezia Province Mozambique (07/2017)
Specimen size: 13.2 × 5.2 × 5.2 cm = 5.20” × 2.05” × 2.05”

MT16AG3: 'lepidolite' after Elbaite with Elbaite

A novelty at Munich 2017. Parallel growths of 'lepidolite' crystals, pseudomorphous after Elbaite, with good terminations. They are bright, with an intense pink color, with channels and other dissolution forms and with transparent Elbaite (verdelite variety) crystals on the upper end that seem to be a later Elbaite generation.
This sample has been photographed and published as a novelty in Munich 2017 in the magazine Le Règne Minéral number 138, page 39, the magazine "Lapis" number 12/2017, page 43 and the magazine ‘Mineralien Welt’ on page 69 of number 1/2018
Naipa Mine, Alto Ligonha pegmatite, Zambezia Province Mozambique (07/2017)
Specimen size: 15.4 × 5 × 4.7 cm = 6.06” × 1.97” × 1.85”

MX70AG3: 'lepidolite' after Elbaite with Tantalite-(Mn)

A novelty at Munich 2017. Parallel growths, with a fibrous aspect, of 'lepidolite' 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 pegmatite, Zambezia Province Mozambique (07/2017)
Specimen size: 4.9 × 2.8 × 2.4 cm = 1.93” × 1.10” × 0.94”

MXF27AP6: 'lepidolite' on Quartz (variety smoky quartz)

Very aerial group of 'lepidolite' crystals (probably, due to the locality, the Polylithionite species), translucent, with a very intense lilac color. On a matrix of Quartz crystals (smoky variety), with white phantom growths on the terminations. Very original and aesthetic.
Himalaya Mine, Gem Hill, Mesa Grande District, San Diego County, California USA
Specimen size: 3.7 × 3.5 × 3.1 cm = 1.46” × 1.38” × 1.22”

TL96L5: 'lepidolite' with Clevelandite

Testaceous group of well defined prismatic 'lepidolite' crystals. Excellent terminations and nice mauve color. Associated with laminar Albite crystals and minor Fluorapatite (very fluorescent) in the matrix.
Otjua Mine, Otjua Farm 37, Karibib District, Erongo Region Namibia
Specimen size: 13.3 × 9.4 × 5.6 cm = 5.24” × 3.70” × 2.20”

CTM14AO0: 'lepidolite' with Orthoclase

Group of 'lepidolite' with a prismatic shape, with good luster and a very deep and uniform color, on an Orthoclase matrix.
Virgem da Lapa, Vale do Jequitinhonha, Minas Gerais Brazil
Specimen size: 4 × 3.9 × 3.3 cm = 1.57” × 1.54” × 1.30”

Main crystal size: 3.3 × 1,8 cm = 1.30” × 0.39”

11TF27: 'lepidolite', Albite

Stalagmitic growths forming a druse of light brown lepidolite crystals with sharp terminations and pseudo-hexagonal contour, associated with small white Albite crystals. Coming from the pegmatites of Brazil, lepidolite is a mica rich in lithium.
Brazil
Specimen size: 16.3 × 10.5 × 6.3 cm = 6.42” × 4.13” × 2.48”

TH27AL9: 'Pearceite' with Calcite

Group of ‘Pearceite’ crystals with sharp faces and edges, and very marked striations, shiny and aesthetically centered on its matrix of white Calcite crystals. We label the species with quotation marks around 'Pearceite' due to the changes introduced by the IMA in the nomenclature of the species, which was recently subdivided.
Uchucchacua Mine, Oyón Province, Lima Department Peru
Specimen size: 3.9 × 2 × 1,9 cm = 1.54” × 0.79” × 0.39”

Main crystal size: 0.4 × 0.3 cm = 0.16” × 0.12”

MMR37AO1: 'Pearceite' with Chalcopyrite and Calcite

Rosettes of very sharp tabular 'Pearceite' crystals with a hexagonal outline and extraordinary luster. On matrix, with small white Calcite crystals and small Chalcopyrite coatings.
Uchucchacua Mine, Oyón Province, Lima Department Peru (±2008)
Specimen size: 6.2 × 3.8 × 3.2 cm = 2.44” × 1.50” × 1.26”

TRJ16AO2: 'Pearceite' with Proustite

Group of very sharp 'Pearceite' crystals, with a hexagonal outline, lustrous and on matrix, with Calcite and Proustite crystals. In the absence of more information, we retain the original name 'Pearceite' although Uchucchacua specimens, according to the recent nomenclature changes introduced by the IMA, would generally more specifically be Pearceite-T2ac. We will ship the specimen in its original Perky box from the collection of Robert J. (Bob) Noble, which also contains the label.
Uchucchacua Mine, Oyón Province, Lima Department Peru
Specimen size: 2.4 × 2.3 × 1.5 cm = 0.94” × 0.91” × 0.59”

TV47AL6: 'Pearceite' with Proustite

Very aerial group of ‘Pearceite’ crystals, with sharp faces and edges, and very marked and shiny striations, on matrix. Accompanied by small transparent Proustite crystals with a bright red color. We label the specimen 'Pearceite', with quotation marks, due to the changes introduced by the IMA in the nomenclature of the species, recently subdivided.
The sample comes from the well-known Thomas P. Moore collection, whose label we will send to the buyer.
Uchucchacua Mine, Oyón Province, Lima Department Peru
Specimen size: 2.7 × 1.4 × 1.2 cm = 1.06” × 0.55” × 0.47”

TFM69AN5: 'Stilbite'

Druse of groups of 'Stilbite' crystals with bow-tie growths, with very sharp crystal forms, translucent, lustrous and with a uniform yellow color. The specimen, of great quality for the locality, comes from a private collection whose label we will send to the buyer.
Malmberget, Gällivare, Norrbotten, Lappland Province Sweden
Specimen size: 12.2 × 5 × 2.3 cm = 4.80” × 1.97” × 0.91”

Main crystal size: 0.5 × 0.3 cm = 0.20” × 0.12”

MF76AM6: 'Xenotime'

Parallel group of very sharp Xenotime crystals, one of them doubly terminated, with excellent terminations, good luster and the intense color characteristic of the best Brazilian specimens. Based on the locality we suppose that it must be Xenotime-(Y). We will send the buyer the specimen in its original perky box from the Robert J. Noble collection, which also contains the label.
Novo Horizonte, Bahia, Northeast Region Brazil
Specimen size: 2.1 × 0.7 × 0.7 cm = 0.83” × 0.28” × 0.28”

9EF6: Acanthite

Perfect miniature with a finely shaped octahedral crystal, with much more defined faces and edges than usual in specimens from this locality. The front face shows polycrystalline growths, the rest being smooth. The Imiter mine, from which this piece came, exploits silver, and this silver sulfide is one of the ore minerals.
Imiter Mine, Jebel Saghro, Imiter District, Tinghir Province, Drâa-Tafilalet Region Morocco (2005)
Specimen size: 1.8 × 1.5 × 1.4 cm = 0.71” × 0.59” × 0.55”

Main crystal size: 1.5 × 1.1 cm = 0.59” × 0.43”

SM90CEX: Acanthite

Parallel growths of Acanthite crystals of octahedral habit (pseudomorphs after Argentite), with sharp crystal forms. The specimen comes from the Carles Curto collection (number 2008.25), whose handwritten label and computer file we will send to the buyer.
Imiter Mine, Jebel Saghro, Imiter District, Tinghir Province, Drâa-Tafilalet Region Morocco (±2008)
Specimen size: 4.8 × 4.6 × 3.7 cm = 1.89” × 1.81” × 1.46”

NR56AH4: Acanthite

Arborescent growths, on matrix, of very sharp and bright octahedral crystals that form acute parallel alignments. A very fine sample from the Imiter area.
Imiter Mine, Jebel Saghro, Imiter District, Tinghir Province, Drâa-Tafilalet Region Morocco
Specimen size: 3.7 × 2.5 × 1.1 cm = 1.46” × 0.98” × 0.43”

Main crystal size: 0.8 × 0.3 cm = 0.31” × 0.12”

6GR96Q5: Acanthite

Very aerial parallel growths of cubic crystals with perfectly sharp faces and edges, partially skeletal. This Acanthite has retained an excellent luster and color, characteristic of specimens from this mine, the Rayas mine, Guanajuato, Guanajuato Municipality, Mexico.
San Juan de Rayas Mine, Guanajuato, Municipio Guanajuato Mexico
Specimen size: 1.9 × 1.6 × 0.7 cm = 0.75”

TMA97AN5: Acanthite

Aerial group of cubo-octahedral Acanthite crystals, very shiny and sharp for the species, and with distinct hopper growths on some of the faces. We will send the specimen, from a very classic Mexican locality for Acanthite, in its original Perky box from the Robert J. (Bob) Noble collection, which also contains the label.
Proaño Mine, Fresnillo de González Echeverría (Fresnillo), Municipio Fresnillo, Zacatecas Mexico
Specimen size: 2.4 × 1.3 × 1.1 cm = 0.94” × 0.51” × 0.43”

EM47AM7: Acanthite

Very aerial group of elongated octahedral Acanthite crystals, with very well defined faces and edges. This highly unusual specimen comes from a reference locality for Fluorite and in which Acanthite is practically unknown.
Fontsante Mine, Tanneron Massif, Var, Provence-Alpes-Côte d'Azur France
Specimen size: 2. × 1.4 × 1.2 cm = 0.79” × 0.55” × 0.47”

TB90AE8: Acanthite

Aerial and very elongated cubo-octahedral crystal, with very well defined and bright faces and edges and window growths on some of the faces.
Proaño Mine, San Carlos vein, Fresnillo de González Echeverría (Fresnillo), Municipio Fresnillo, Zacatecas Mexico (2016)
Specimen size: 3.9 × 1.4 × 1.8 cm = 1.54” × 0.55” × 0.71”

Main crystal size: 2 × 1.1 cm = 0.79” × 0.43”

TZ71AK9: Acanthite

Two very sharp and lustrous Acanthite crystals, of cubic habit (pseudomorphic after Argentite) with very deep hopper growths. An excellent miniature, a classic of Mexican mineralogy, from an old collection.
San Juan de Rayas Mine, Guanajuato, Municipio Guanajuato Mexico
Specimen size: 3.2 × 2.6 × 2 cm = 1.26” × 1.02” × 0.79”

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