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RM3561   Chrysocolla on malachite
Cu₂-xAlx(H₂-xSi₂O₅)(OH)₄ · nH₂O, x<1
  -  9. Silicatos

Highly aesthetic botryoidal malachite aggregates completely covered by a layer of slightly greenish-blue chrysocolla. We can see the malachite, with concentric growths, in some fractures. The beauty of these specimens makes them worthy of the finest collection and display case. 4h5l5g

Size: 8.2 x 5.6 x 3.3 cm.
260 €
RM3562   Chrysocolla on malachite
Cu₂-xAlx(H₂-xSi₂O₅)(OH)₄ · nH₂O, x<1
  -  9. Silicatos

Very aesthetic botryoidal malachite aggregates completely covered by a layer of blue chrysocolla. We can see the malachite, with concentric growths, in some fractures. The beauty of these specimens makes them worthy of the finest collection and display case.

Size: 7 x 4.8 x 3.8 cm.
190 €
RM3563   Chrysocolla on malachite
Cu₂-xAlx(H₂-xSi₂O₅)(OH)₄ · nH₂O, x<1
  -  9. Silicatos

Highly aesthetic botryoidal malachite aggregates completely covered by a layer of slightly greenish-blue chrysocolla. We can see the malachite, with concentric growths, in some fractures. The beauty of these specimens makes them worthy of the finest collection and display case.

Size: 6.1 x 4.9 x 4.1 cm.
240 €
RM3524   Malachite

Malachite specimens from this Upper Katanga mine are notable for radial aggregates of fine crystals that, taken together, have a velvety appearance and excellent brilliance. Intense green colour, good size and fine aesthetics.

Size: 16 x 12 x 9 cm. (1,3 Kg)
190 €
RM3521   Malachite

Malachite specimens from this Upper Katanga mine are notable for radial aggregates of fine crystals that, taken together, have a velvety appearance and excellent brilliance. Intense green colour, good size and fine aesthetics.

Size: 16 x 12 x 8 cm.
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RM3520   Malachite

Malachite specimens from this Upper Katanga mine are notable for radial aggregates of fine crystals that, taken together, have a velvety appearance and excellent brilliance. Intense green colour, good size and fine aesthetics.

Size: 10 x 8.2 x 4.2 cm.
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RM3352   Carrollite
CuCo2S4

Group of carrollite crystals showing cube and octahedron shapes. Very bright and interpenetrated with each other. Defined edges and faces and exceptional shine. Very aesthetic.

Size: 7.2 x 5.9 x 5 cm.
Main crystal: 9 mm.
110 €
RM3342   Carrollite and calcite
CuCo2S4

Group of carrollite crystals showing cube and octahedron shapes, along with tetrahexahedron shapes. Very bright and interpenetrated with each other. Defined edges and faces and exceptional shine. Very aesthetic.

Size: 6 x 5.4 x 5.2 cm.
Main crystal: 13 mm.
160 €
RM3197   Carrollite, chalcopyrite and Calcite
CuCo2S4

Carrollite is a copper cobalt sulfide, with the very finest of the species coming from the DR Congo. This excellent specimen is sharp, well-defined, and has a bright metallic luster. The single crystal is a modified cuboctahedron and accompanied by chalcopyrite crystals in calcite matrix. It has small nicks due to mechanical work to make the crystal appear that do not affect aesthetics. The condition and aesthetics both help make this such a choice display sample.

Size: 8.8 x 7.2 x 5.4 cm.
Main crystal: 2.4 x 2 cm.
370 €
RM3196   Carrollite, chalcopyrite and Calcite
CuCo2S4

Carrollite is a copper cobalt sulfide, with the very finest of the species coming from the DR Congo. This excellent specimen is sharp, well-defined, and has a bright metallic luster. The single crystal is a modified cuboctahedron and accompanied by chalcopyrite crystals in calcite matrix. The condition and aesthetics both help make this such a choice display sample.

Size: 5.7 x 5 x 4 cm.
Main crystal: 2 x 1.6 cm.
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RM3191   Malachite

Malachite specimens from this Upper Katanga mine are notable for radial aggregates of fine crystals that, taken together, have a velvety appearance and excellent brilliance. Intense green colour, good size and fine aesthetics.

Size: 8.5 x 6.3 x 3.2 cm.
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RM3107   Plancheite, dioptase and malachite

Rich specimen formed by globular aggregates of acicular crystals of light blue color, bright. They are accompanied by small prismatic malachite crystals and tiny dioptase crystals. A very brilliant and characteristic specimen for the species, rare in the market.

Size: 6 x 5.2 x 3.7 cm.
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RM3102   Chalcocite
Cu₂S
  -  2. Sulfuros y sulfosales

Group of tabular chalcocite crystals, well defined and with polysynthetic growths on faces. Some present fractures where we can observe the metallic luster of the species. Specimens from this mine are rare on the market. It belongs from the former René Hubin collection (Neupré, Belgium) and is accompanied by the label. Nice miniature.

Size: 3 x 2.9 x 1.8 cm.
Main crystal: 1.1 cm.
Col. R. Hubin (Belgique).
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RM3081   Malachite stalactitic growth

Malachite stalactite with a very, very curious shape. Smooth on one side, with brilliant microcrystals of the same mineral. On the other side, it presents an elongated cavity formed by various growths. Floater, good size and quality.

Size: 14.5 x 3.9 x 3.6 cm.
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RM3080   Malachite

Stalactitic malachite growths, with an intense color, brilliant, velvety and disposed aerially on the matrix.

Size: 12.2 x 6 x 5.2 cm.
Main crystal: 3.8 cm stal.
100 €
RM3079   Malachite stalactite

Stalactitic malachite growths, with an intense color, brilliant, velvety and disposed aerially on the matrix.

Size: 11 x 7.7 x 4.4 cm.
Main crystal: 3.9 cm. stal.
85 €
RM3040   Malachite

Aesthetic stalactitic aggregates of malachite, with brilliance and uniform green color. Very aesthetic.

Size: 12 x 11 x 8.5 cm.
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RM3038   Malachite

Malachite specimens from this Upper Katanga mine are notable for radial aggregates of fine crystals that, taken together, have a velvety appearance and excellent brilliance. Intense green colour, good size and fine aesthetics.

Size: 11 x 8.7 x 3.3 cm.
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RM3020   Malachite

Malachite specimens from this Upper Katanga mine are notable for radial aggregates of fine crystals that, taken together, have a velvety appearance and excellent brilliance. Intense green colour, good size and fine aesthetics.

 

Size: 10.4 x 8.2 x 5 cm.
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RM3018   Malachite

Malachite specimens from this Upper Katanga mine are notable for radial aggregates of fine crystals that, taken together, have a velvety appearance and excellent brilliance. Intense green colour, good size and fine aesthetics.

Size: 9.1 x 8.6 x 4.2 cm.
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RM3007   Malachite

These specimens of malachite present mamelonar, botryoidal to stalactic growths, with a very intense characteristic green color and silky luster. If they are observed under magnification, they show us that the sparkly green is produced by small malachite crystals that cover the surface. The photograph does not reflect all the splendor and brilliance of the piece. They are disposed on a fibrous malachite matrix. Very aesthetic.

Size: 11 x 8.5 x 4.2 cm.
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RM3005   Malachite

These specimens of malachite present mamelonar, botryoidal to stalactic growths, with a very intense characteristic green color and silky luster. If they are observed under magnification, they show us that the sparkly green is produced by small malachite crystals that cover the surface. The photograph does not reflect all the splendor and brilliance of the piece. They are disposed on a fibrous malachite matrix. Very aesthetic.

Size: 6.2 x 6.6 x 3.5 cm.
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RM3004   Malachite

These specimens of malachite present mamelonar, botryoidal to stalactic growths, with a very intense characteristic green color and silky luster. If they are observed under magnification, they show us that the sparkly green is produced by small malachite crystals that cover the surface. The photograph does not reflect all the splendor and brilliance of the piece. They are disposed on a fibrous malachite matrix. Very aesthetic.

Size: 5.9 x 5.5 x 3.6 cm.
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RM3003   Malachite

These specimens of malachite present mamelonar, botryoidal to stalactic growths, with a very intense characteristic green color and silky luster. If they are observed under magnification, they show us that the sparkly green is produced by small malachite crystals that cover the surface. The photograph does not reflect all the splendor and brilliance of the piece. They are disposed on a fibrous malachite matrix. Very aesthetic.

Size: 9.2 x 6.5 x 6.2 cm.
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RM2888   Kolwezite, malachite and calcite Co

Globular aggregates of kolwezite, light to intense green in color. They contrast on a matrix with cobalt-bearing calcite crystals.

Size: 4.6 x 3.9 x 3.8 cm.
Found in ±2010.
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