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EC14AD6: Malachite after Cuprite
Aggregate of Malachite pseudomorphous after dodecahedral Cuprite crystals, with smooth and very well defined faces, free of further alteration. A French classic and an excellent miniature.
Chessy-les-Mines, Les Bois d'Oingt, Villefranche-sur-Saône, Rhône, Auvergne-Rhône-Alpes  France
Specimen size: 1.7 × 1.7 × 1.3 cm = 0.67” × 0.67” × 0.51”
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EA27AF6: Malachite after Cuprite
Complete floater group of very sharp pseudocrystals after cuprite, which are octahedrons beveled by the dodecahedron. The sample is from recent and surprising finds on the old dumps area at Chessy.
Chessy-les-Mines, Les Bois d'Oingt, Villefranche-sur-Saône, Rhône, Auvergne-Rhône-Alpes  France (2017)
Specimen size: 1.8 × 1.5 × 1.4 cm = 0.71” × 0.59” × 0.55”

Main crystal size: 1.7 × 1.4 cm = 0.67” × 0.55”
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TP99AK7: Malachite after Cuprite
Floater intergrowth of octahedral crystals of Malachite pseudomorphic after Cuprite, very well shaped and larger than usual. A French classic of high quality.
Chessy-les-Mines, Les Bois d'Oingt, Villefranche-sur-Saône, Rhône, Auvergne-Rhône-Alpes  France
Specimen size: 2.7 × 2.6 × 2.3 cm = 1.06” × 1.02” × 0.91”
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TX96D8: Malachite after Cuprite
From old discoveries comes this Cuprite that has been psuedomorphised by Malachite. The piece is a floater, the crystal is well defined, and it has a form that is different from the typical ones. It also has the virtue of being on matrix, something that is not usual in material from this mine. A special classic specimen.
Onganja (Emke) Mine, Helen Farm 235, Onganja mining area, Seeis, Windhoek District, Khomas Region  Namibia
Specimen size: 2.5 × 2.2 × 1.7 cm = 0.98” × 0.87” × 0.67”
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EG98AE2: Malachite after Cuprite and Azurite
Malachite pseudomorphous after Cuprite, one clearly dominant, beveled by the faces of the dodecahedron and with spherical Azurite aggregates. It is a nice miniature, an excellent French classic.
Chessy-les-Mines, Les Bois d'Oingt, Villefranche-sur-Saône, Rhône, Auvergne-Rhône-Alpes  France
Specimen size: 1.8 × 1.3 × 1.6 cm = 0.71” × 0.51” × 0.63”
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SV3100EPF: Malachite after Cuprite on Azurite with Baryte
A little eroded by the passage of time, but it is fascinating how the Cuprite pseudomorphed by Malachite has resisted perfectly and stands gracefully on the Azurite. Throughout the piece there are also the characteristic granular barytes, almost always reddish due to the presence of iron oxides. Chessy is the type locality for Azurite.
Chessy-les-Mines, Les Bois d'Oingt, Villefranche-sur-Saône, Rhône, Auvergne-Rhône-Alpes  France
Specimen size: 3 × 2.3 × 1.8 cm = 1.18” × 0.91” × 0.71”

Main crystal size: 0.5 × 0.5 cm = 0.20” × 0.20”
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EF66AN1: Malachite after Cuprite with Azurite
Floater group of Malachite pseudomorphs after Cuprite crystals with one of the crystals clearly dominant and with a sharp octahedral habit. Partially covered by groups of small Azurite crystals, an association that is not so frequent in Chessy, type locality for that species.
Chessy-les-Mines, Les Bois d'Oingt, Villefranche-sur-Saône, Rhône, Auvergne-Rhône-Alpes  France
Specimen size: 1.7 × 1.6 × 1.3 cm = 0.67” × 0.63” × 0.51”
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EJ47AE5: Malachite after Cuprite with Azurite
Classic aggregate of Malachite crystals pseudomorphous after Cuprite. They have an octahedral shape beveled by the dodecahedron and are on a matrix of tabular Azurite crystals.
Chessy-les-Mines, Les Bois d'Oingt, Villefranche-sur-Saône, Rhône, Auvergne-Rhône-Alpes  France (2010)
Specimen size: 2.6 × 1.9 × 1.5 cm = 1.02” × 0.75” × 0.59”

Main crystal size: 1.6 × 1 cm = 0.63” × 0.39”
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EV90AM2: Malachite after Cuprite with Azurite
Octahedral Malachite pseudomorph after a Cuprite crystal, with shallow hopper faces and implanted in a floater group of small Azurite crystals. A French classic.
Chessy-les-Mines, Les Bois d'Oingt, Villefranche-sur-Saône, Rhône, Auvergne-Rhône-Alpes  France
Specimen size: 3.2 × 2.2 × 2.4 cm = 1.26” × 0.87” × 0.94”
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LK73AL6: Malachite after Cuprite with Azurite
Malachite pseudomorphs after octahedral crystals of Cuprite, very large for the locality, aerial, with deep hopper growths and implanted on an Azurite matrix from the type locality for this species.
A French classic from the Philippe Morelon collection, whose label we will send to the buyer.
Chessy-les-Mines, Les Bois d'Oingt, Villefranche-sur-Saône, Rhône, Auvergne-Rhône-Alpes  France (1980)
Specimen size: 4.1 × 4.1 × 3.1 cm = 1.61” × 1.61” × 1.22”

Main crystal size: 2.6 × 2.1 cm = 1.02” × 0.83”
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ET86AM2: Malachite after Cuprite with Azurite
Sharp octahedral Malachite pseudomorphs after Cuprite crystals, lustrous, on very well defined Azurite crystals with a lot of luster and a more vivid color than usual in this type of specimen. The quality of both the Malachite pseudomorphs and the Azurite is superior to others from this locality. A high quality French classic.
Chessy-les-Mines, Les Bois d'Oingt, Villefranche-sur-Saône, Rhône, Auvergne-Rhône-Alpes  France
Specimen size: 3.1 × 3 × 1.6 cm = 1.22” × 1.18” × 0.63”
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TR73AJ3: Malachite after Cuprite with Calcite
Groups of Malachite crystals (after octahedral Cuprite), coated by a late phase of Malachite microcrystals. They are on a Calcite matrix. Pseudomorphs of Malachite after Cuprite are very uncommon at Tsumeb, and even more so with such large crystals.
Tsumeb Mine, Tsumeb, Otjikoto Region  Namibia
Specimen size: 6.1 × 5.7 × 3.7 cm = 2.40” × 2.24” × 1.46”

Main crystal size: 0.8 × 0.7 cm = 0.31” × 0.28”
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MT93AI8: Malachite after Cuprite with Mimetite
Small groups of Malachite crystals after dodecahedral Cuprite. They have very well defined faces and edges and are on matrix with a divergent spray of acicular Mimetite crystals.
The sample, very unusual, is from the Desmond Sacco collection whose label we will send to the buyer.
Tsumeb Mine, Tsumeb, Otjikoto Region  Namibia (±1980)
Specimen size: 7.6 × 4 × 2.9 cm = 2.99” × 1.57” × 1.14”
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EG48AE5: Malachite after Dioptase after Calcite
An unusual Malachite aggregate on the scalenohedral shape of former Calcite crystals that had first been pseudomorph by Dioptase, which is residually retained on some areas on the sample.
Tantara Mine area, Shinkolobwe, Katanga Copper Crescent, Katanga (Shaba)  Democratic Republic of the Congo (Zaire)
Specimen size: 4.7 × 3.5 × 2.5 cm = 1.85” × 1.38” × 0.98”

Main crystal size: 2 × 1.1 cm = 0.79” × 0.43”
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SV2380THE: Malachite coating Copper
Mass of Malachite crystals that have covered very arborescent and dense Copper crystals with aerial forms at the ends, and a bright and uniform color. The specimen is an American classic for coppers and comes from a deposit in which gold and silver were also worked, in addition to other elements such as bismuth and zinc.
Bisbee, Warren District, Mule Mountains, Cochise County, Arizona  USA
Specimen size: 4.6 × 3.5 × 2.4 cm = 1.81” × 1.38” × 0.94”
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TBL14AO4: Malachite on Baryte
Centered groups of primary Malachite crystals, with a very deep color, lustrous, and scattered on a group of Baryte crystals with a superficial yellow tint of oxides. The specimen, from a little-known French locality, comes from the Alain Martaud collection, whose label we will send to the buyer.
Font d'Arques, Cabrières-Péret mining district, Mèze, Béziers District, Hérault, Occitanie  France (2021)
Specimen size: 4.2 × 3.2 × 1.7 cm = 1.65” × 1.26” × 0.67”
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MRR96AN8: Malachite on Calcite (variety Co-bearing calcite)
Spheroidal aggregates of Malachite, with good luster and a very deep color, on a druse of crystalline growths of Calcite (cobalt-bearing variety), on matrix, with a very deep and uniform pink color offering a beautiful color contrast.
Kakanda, Kambove District, Katanga Copper Crescent, Katanga (Shaba)  Democratic Republic of the Congo (Zaire) (2021)
Specimen size: 5.4 × 4.5 × 2.1 cm = 2.13” × 1.77” × 0.83”
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XM2360TLR: Malachite on Chrysocolla
Color-zoned bands of Chrysocolla appear on a rock matrix on which have been deposited several crystal groups and globular aggregates of Malachite with a very deep green color. A very aesthetic specimen which comes from the collection of Miguel David Martínez Pérez (number 792) whose label we will send to the buyer.
L'Etoile du Congo Mine, Lubumbashi (Elizabethville), Katanga Copper Crescent, Haut-Katanga (Shaba)  Democratic Republic of the Congo (Zaire)
Specimen size: 15.3 × 6.4 × 6 cm = 6.02” × 2.52” × 2.36”
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FB76: Malachite on Dolomite
Nice contrast between the intense green round ball of Malachite and the white Dolomite. Original, isn't it?
Tsumeb Mine, Tsumeb, Otjikoto Region  Namibia
Specimen size: 9.6 × 5.7 cm = 3.78” × 2.24”

TMT66CD6: Malachite on limonite
Group of coralloidal aggregates formed by Malachite crystals of uniform grass-green color on limonitic rock matrix from the Tazalarht mining district in Morocco.
Tazalarht mining area, Taroudant Province, Souss-Massa Region  Morocco (2023)
Specimen size: 6.8 × 6.5 × 3.7 cm = 2.68” × 2.56” × 1.46”

MEB87ASN5: Malachite on Quartz
New find in Munich 2024, featured in edition 56, number 1, of the Mineralogical Record magazine. Group of Malachite crystals, of considerable size for the locality, with well-defined faces and edges, and a very uniform deep green color, which have grown on a hyaline and well-defined Quartz crystal. The specimen has been analyzed and identified as Malachite, and although a pseudomorph cannot be ruled out, this possibility seems unlikely to us, given the appearance, shape, and great luster of the crystals. The Tazalarht mining area continues to offer pleasant mineral surprises.
Tazalarht mining area, Taroudant Province, Souss-Massa Region  Morocco
Specimen size: 6.1 × 4.7 × 4.6 cm = 2.40” × 1.85” × 1.81”
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TR47H3: Malachite pseudo Azurite
A very esthetic floater group. Malachite, velvety and fibrous, has different green tones and it completely pseumomorped prismatic crystals of Azurite, some of them doubly terminated. A classic of XXth century.
Bisbee, Warren District, Mule Mountains, Cochise County, Arizona  USA
Specimen size: 3.7 × 3 × 2 cm = 1.46” × 1.18” × 0.79”

Main crystal size: 2.1 × 0.7 cm = 0.83” × 0.28”
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TE88N0: Malachite pseudo Azurite with Plancheite
A novelty for Tucson 2009. The Malachite has replaced very well defined crystals of Azurite, some of them doubly terminated. On the piece the dark green color of the Malachite contrasts with the botryoidal concretions of Plancheite. This association is very rare at Milpillas and only a few specimens arrived to the market.
Milpillas Mine, Cuitaca, Municipio Santa Cruz, Sonora  Mexico (2008)
Specimen size: 3.4 × 2.3 × 2.2 cm = 1.34” × 0.91” × 0.87”
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TZ98N0: Malachite pseudo Azurite with Plancheite
A novelty for Tucson 2009. The Malachite has replaced very well defined crystals of Azurite, some of them doubly terminated. On the piece the dark green color of the Malachite contrasts with the botryoidal concretions of Plancheite. This association is very rare at Milpillas and only a few specimens arrived to the market.
Milpillas Mine, Cuitaca, Municipio Santa Cruz, Sonora  Mexico (2008)
Specimen size: 5.2 × 3.1 × 2.4 cm = 2.05” × 1.22” × 0.94”

Main crystal size: 1.9 × 0.7 cm = 0.75” × 0.28”
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TV48N0: Malachite pseudo Azurite with Quartz and Chrysocolla
A novelty for Tucson 2009. The Malachite has replaced very well defined crystals of Azurite, some of them doubly terminated. The matrix is a thin layer of very bright crystals of Chrysocolla. This association is very rare at Milpillas and only a very few specimens arrived to the market.
The specimen has been published in the magazine ‘extraLAPIS’ on page 83, number 45, "Kupfer Mineralien" and in the monograph 'The Milpillas Mine' of the ‘Mineralogical Record‘ magazine on page 596 in the volume 52, number 5, September-October 2021
Milpillas Mine, Cuitaca, Municipio Santa Cruz, Sonora  Mexico (2008)
Specimen size: 5.5 × 3.4 × 1.8 cm = 2.17” × 1.34” × 0.71”

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