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Group on Limonite matrix of small bright crystals, most of them doubly terminated, forming dipyramids with very well-defined faces and edges. The specimen is very esthetic due its columnar growths, with very attractive crests and vugs.
Preguiça Mine, Sobral da Adiça, Moura, Beja District, Baixo Alentejo, Alentejo Portugal (2005-2006)
Specimen size: 9 × 4.5 × 3.3 cm = 3.54” × 1.77” × 1.30”
Price: [SOLD]

NV86M9: Descloizite with Calcite

Very aerial and esthetic columnar growths of small, extraordinarily sharp and very bright crystals. They are dipyramidal and most of them doubly terminated. A group of white crystals of Calcite is on the Descloizite groups.
Preguiça Mine, Sobral da Adiça, Moura, Beja District, Baixo Alentejo, Alentejo Portugal (2005-2006)
Specimen size: 6.7 × 5.5 × 2.7 cm = 2.64” × 2.17” × 1.06”

Main crystal size: 0.1 × 1 cm = 0.04” × 0.39”
Price: [SOLD]

NK86T4: Descloizite with Calcite

Columnar growths of small dipyramidal crystals of Descloizite with very well defined faces and edges and very bright. On stalagmitic botryoidal growths of Calcite and crystals of the same mineral, clear and very bright.
Preguiça Mine, Sobral da Adiça, Moura, Beja District, Baixo Alentejo, Alentejo Portugal (2005-2006)
Specimen size: 10.9 × 4.3 × 3.4 cm = 4.29” × 1.69” × 1.34”
Price: €185 / US$197 / ¥30180 / AUD$300

NX47M9: Descloizite with Calcite

Growth of dypyramidal crystals, most of them doubly terminated, of Descloizite. They have good luster and very well defined faces and edges. Grown on Limonite matrix, they were later covered by a generation of scalenohedral crystals of Calcite.
Preguiça Mine, Sobral da Adiça, Moura, Beja District, Baixo Alentejo, Alentejo Portugal (2005-2006)
Specimen size: 10.2 × 6.9 × 3.8 cm = 4.02” × 2.72” × 1.50”

Main crystal size: 01 × 0.1 cm = 0.39” × 0.04”
Price: [SOLD]

NR47I7: Descloizite with Calcite

Group on Limonite matrix of small very bright crystals, most of them doubly terminated, forming dipyramids with very well-defined faces and edges. The specimen is very esthetic because of its attractive crests and vugs. A wide surface of the sample is covered by a layer of acute scalenohedron of white Calcite.
Preguiça Mine, Sobral da Adiça, Moura, Beja District, Baixo Alentejo, Alentejo Portugal (2005-2006)
Specimen size: 14 × 11.8 × 6.2 cm = 5.51” × 4.65” × 2.44”
Price: €490 / US$521 / ¥79940 / AUD$800

NG50I7: Descloizite with Calcite

Flattened group of columnar growths of small very bright crystals, most of them doubly terminated, forming dipyramids with very well-defined faces and edges. On one of the sides, in which Descloizite is more visible, there is a botryoidal growth of Calcite, while the opposite side is completely covered by very acute scalenohedral crystals of white Calcite.
Preguiça Mine, Sobral da Adiça, Moura, Beja District, Baixo Alentejo, Alentejo Portugal (2005-2006)
Specimen size: 12.3 × 6.7 × 4.4 cm = 4.84” × 2.64” × 1.73”

Main crystal size: 0.1 × 01 cm = 0.04” × 0.39”
Price: [SOLD]

17EA12: Descloizite with Dolomite

Floater and very aerial parallel growths of sharp tabular Descloizite crystals, translucent, with a bright luster and chocolate color, partially coated by small rhombohedral Dolomite crystals. The specimen comes from the Claus Hedegaard collection (number 10517), whose catalogue entry we will send to the buyer.
Berg Aukas, Grootfontein District, Otjozondjupa Region Namibia
Specimen size: 2.7 × 1.7 × 1.2 cm = 1.06” × 0.67” × 0.47”
Price: [SOLD]

AJ37M6: Descloizite with Dolomite and Mimetite

Group on matrix of very well defined and bright crystals. On one side of the matrix are white Dolomite crystals. On the other are small crystals of Mimetite at the base partially covering the Dolomite.
Berg Aukas, Grootfontein District, Otjozondjupa Region Namibia
Specimen size: 6.1 × 3.5 × 2.7 cm = 2.40” × 1.38” × 1.06”

Main crystal size: 1.3 × 1.1 cm = 0.51” × 0.43”
Price: [SOLD]

NQ14AL5: Descloizite with Quartz

Descloizite crystals with an equidimensional habit very different from those known in other localities, with very sharp faces and edges, a very dark green color, almost black, on matrix, with Quartz. The specimen is accompanied by two old handwritten labels in which the original collection does not appear.
Los Pilones, Cruz del Eje Departament, Córdoba Province Argentina
Specimen size: 4.7 × 3.6 × 2.6 cm = 1.85” × 1.42” × 1.02”
Price: [SOLD]

VK48AE4: Devilline

Aggregates, on matrix, of well developed lenticular Devilline crystals with a deep and uniform green color. A World classic.
Špania Dolina (Herrengrund), Banská Bystrica, Banská Bystrica Region Slovak Republic (2004)
Specimen size: 4.5 × 3.8 × 2.5 cm = 1.77” × 1.50” × 0.98”

Main crystal size: 0.1 × 0.1 cm = 0.04” × 0.04”
Price: €290 / US$308 / ¥47310 / AUD$470

FQ76J7: Devilline

Group of laminar crystals of extraordinarily deep bluish-green color, on matrix. The specimen, that was acquired in 1956 is with a label from Peter Indergant (numb. 1817) in which the species appears as Herrengrundite, a name actually now obsolete and that refers to its previous name, from Herregrund, its locality of origin.
Spania Dolina (Herrengrund), Banská Bystrica Slovak Republic (±1956)
Specimen size: 4.1 × 3.4 × 2.7 cm = 1.61” × 1.34” × 1.06”
Price: [SOLD]

EL86G5: Devilline

Excellent miniature with very definite groups of crystals on matrix. Crystals are laminar and of a very good color and considerable size for this species.
Spania Dolina (Herrengrund), Banská Bystrica Slovak Republic (06/2005)
Specimen size: 2 × 1.3 × 1.3 cm = 0.79” × 0.51” × 0.51”
Price: [SOLD]

EF82G5: Devilline

Excellent specimen with very definite groups of crystals on matrix. Crystals are laminar and of a very good color and considerable size for this species.
Spania Dolina (Herrengrund), Banská Bystrica Slovak Republic (06/2005)
Specimen size: 6.9 × 3.3 × 5.7 cm = 2.72” × 1.30” × 2.24”
Price: [SOLD]

TA27AC5: Diamond

Floater 0.48 carat complete Diamond crystal. It is octahedral, transparent, bright and slightly yellow.
Areinha claim, Jequitinhonha river, Diamantina, Jequitinhonha, Minas Gerais Brazil
Specimen size: 0.4 × 0.3 × 0.3 cm = 0.16” × 0.12” × 0.12”
Price: [SOLD]

TB97AC5: Diamond

Floater 0.53 carat complete Diamond crystal. It has the predominant dodecahedron form and it is transparent, bright and slightly yellow.
Areinha claim, Jequitinhonha river, Diamantina, Jequitinhonha, Minas Gerais Brazil
Specimen size: 0.4 × 0.4 × 0.3 cm = 0.16” × 0.16” × 0.12”
Price: [SOLD]

18ERT13: Diaspore

Diaspore is an aluminum oxy-hydroxide that rarely develops into crystals. Fortunately, in Turkey there is a classic deposit where the crystals show good development, color and transparency, as is the case of this specimen, terminated and with a light yellowish-greenish color and with fine vertical striations. This mineral, together with Boehmite and Gibbsite, make up bauxite, a rock which is the main ore of aluminum.
Ilbir Mountain, Pinarcik, Milâs District, Muğla Province, Aegean Region Turkey (2020)
Specimen size: 4.6 × 0.9 × 0.5 cm = 1.81” × 0.35” × 0.20”
Price: [SOLD]

18EZZ26: Diaspore

Diaspore is an aluminum oxy-hydroxide that rarely develops into crystals. Fortunately, in Turkey there is a classic deposit where the crystals show good development, color and transparency, as is the case of this specimen, terminated and with a light yellowish-greenish color and with fine vertical striations. This mineral, together with Boehmite and Gibbsite, make up bauxite, a rock which is the main ore of aluminum.
Ilbir Mountain, Pinarcik, Milâs District, Muğla Province, Aegean Region Turkey (2020)
Specimen size: 4.9 × 1.0 × 0.4 cm = 1.93” × 0.39” × 0.16”
Price: [SOLD]

18ERR36: Diaspore

Diaspore is an aluminum oxy-hydroxide that rarely develops into crystals. Fortunately, in Turkey there is a classic deposit where the crystals show good development, color and transparency, as is the case of this specimen, terminated and with a light yellowish-greenish color and with fine vertical striations. This mineral, together with Boehmite and Gibbsite, make up bauxite, a rock which is the main ore of aluminum.
Ilbir Mountain, Pinarcik, Milâs District, Muğla Province, Aegean Region Turkey (2020)
Specimen size: 4.8 × 0.9 × 0.5 cm = 1.89” × 0.35” × 0.20”
Price: [SOLD]

ER98AL9: Diaspore

Mostly new after the Sainte Marie 2020 Virtual Show, from a classic Turkish locality but with a different transparency and color. The crystal is incomplete at the bottom, but has very sharp polycrystalline upper terminations. It is transparent, lustrous, deep yellow-green in focused natural light and more yellow under halogen lights, with very clearly visible dichroism shifting between soft red and green.
Ilbir Mountain, Pinarcik, Milâs District, Muğla Province, Aegean Region Turkey (2020)
Specimen size: 5.7 × 1.8 × 1 cm = 2.24” × 0.71” × 0.39”
Price: €360 / US$383 / ¥58730 / AUD$590

ET73AM1: Diaspore

New (in part) after the 2020 Sainte Marie Virtual show. From a classic Turkish locality but with a different morphology and color. With its vertical twin plane, this crystal, which is transparent and of great fineness and quality, has excellent terminal faces and very good luster. With yellow-green tones and very distinct dichroism, its color changes between soft red and green, this being visible in all kinds of light, even natural light.
Ilbir Mountain, Pinarcik, Milâs District, Muğla Province, Aegean Region Turkey (2020)
Specimen size: 4.6 × 1.1 × 0.6 cm = 1.81” × 0.43” × 0.24”
Price: [SOLD]

EL26AM2: Diaspore

Two crystals of Diaspore, one of them clearly dominant, with good terminal faces and recrystallization forms. The crystals are transparent, very lustrous, and have an intense and uniform greenish yellow color.
Ilbir Mountain, Pinarcik, Milâs District, Muğla Province, Aegean Region Turkey (2020)
Specimen size: 7 × 4.1 × 3.1 cm = 2.76” × 1.61” × 1.22”
Price: €1100 / US$1171 / ¥179470 / AUD$1800

EF66AL7: Diaspore

Partially new after the Sainte Marie Virtual Show 2020. From a classic Turkish locality but with a different transparency and color, intense yellow-green under focused natural light, but yellower under halogen light and with an easily visible dichroism changing between soft red and green.
Ilbir Mountain, Pinarcik, Milâs District, Muğla Province, Aegean Region Turkey (2020)
Specimen size: 8.3 × 2.7 × 1.2 cm = 3.27” × 1.06” × 0.47”
Price: [SOLD]

EXA87AO9: Diaspore (double twin)

Obtained at Ste. Marie 2022 Cross twinning of two very sharp doubly terminated Diaspore crystals, transparent, lustrous and pale greenish yellow colour. One of the terminations is rough but unbroken. With LED light, a marked dichroism can be seen that changes from yellow to violet. The specimen is of high quality.
Pinarcik, Milâs District, Muğla Province, Aegean Region Turkey (2022)
Specimen size: 2.1 × 1.4 × 1.1 cm = 0.83” × 0.55” × 0.43”
Price: [SOLD]

SV2160TBC: Diaspore after Spinel with Muscovite

Two Spinel crystals of considerable size that have been pseudomorphed almost entirely by Diaspore. They are embedded in a matrix that displays a multitude of sheets formed by brown leafy Muscovite aggregates with bright reflections. Quite a mineralogical curiosity from Madagascar which was in the old collection of Robert-Auguste Touchon. The specimen has been analyzed and we will send a copy of the analysis to the buyer.
Madagascar
Specimen size: 9.6 × 6.6 × 6.2 cm = 3.78” × 2.60” × 2.44”

Main crystal size: 3 × 2.2 cm = 1.18” × 0.87”
Price: [SOLD]

ELR87AO9: Diaspore on Chloritoid and with Margarite

Obtained at Ste. Marie 2022 Elongated Diaspore crystals, two of them clearly dominant, with very sharp crystal forms with excellent terminations, transparent, with good luster and a nice light yellow color. On matrix on abundant well crystallized Chloritoid and with white fibrous and lamellar intergrowths of Margarite. The specimen is of an extraordinary elegance and perfection. The Chloritoid has been analyzed and we will send a copy of the analysis to the buyer.
Pinarcik, Milâs District, Muğla Province, Aegean Region Turkey (2022)
Specimen size: 7.4 × 6.3 × 3.5 cm = 2.91” × 2.48” × 1.38”
Price: [SOLD]

12535 results found.

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