Tag Archives: Africa

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Quartz after Aragonite (?) (Ex Greenamyer Coll.)

ID: 6433
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A very attractive specimen of a pastel beige quartz druse pseudomorphing an undetermined mineral. Possibly aragonite or calcite. Attractive.

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Price: $150.00
Location: Ourika Valley, High Atlas Mtns. Morocco
Dimensions: 6.3 x 6 x 5cm
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Malachite (Ex Koster Coll.)

ID: 6424
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A spcimen of mammillary medium green malachite with a darker green radiating center. Acq. in 2000 from Gilbert Gauthier.

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Price: $300.00
Location: Mashamba West Mine, Kolwzi, Katanga, D.R. Congo
Dimensions: 5.8 x 4.5 x 3.5cm
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Malachite “non pseudomorphous” (ex S. Koster Coll.)

ID: 6422
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A magnificent example of non pseudomorphous, curved crystals of malachite with a bright green color and great crystal size. On one end you can find micro cuprite crystals. Acquired from Gilbert Gauthier when the country was known as Zaire.


Price: $500.00
Location: Mashamba West Mine, Kolwzi, Katanga, D.R. Congo
Dimensions: 7.2 x 5 x 3.6cm
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Barite after Chrysocolla with Malachite “Floater” (ex S. Koster Coll.)

ID: 6406
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Bladed crystals barite have been completely replaced by pastel chalky blue-green chrysocolla. A sprinkling of bright green acicular malachite creates an attractive contrast on this completely unique pseudomorph floater. Acquired from Gilbert Gauthier in 1999.


Price: $650.00
Location: Mashamba West Mine, Kolwzi, Katanga, D.R. Congo
Dimensions: 7 x 6.5 x 6cm
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Chalcocite (Ex Chris Amo and Stephen Phillips Coll.)

ID: 6394
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Highly lustrous, silvery plates of chalcocite sit with intergrown blocky crystals, on a matrix of sulfides and hematite stained quartz crystals. Choice miniature!


Price: $1600.00
Location: Tsumeb Mine, Tsumeb, Namibia
Dimensions: 6.3 x 4.1 x 3.5cm
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Smithsonite (Ex Chris Amo Coll.)

ID: 6393
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Exceptional rhombohedral crystals of smithsonite with deep yellow centers and zoned lighter edges. The temptation is to label it cadmium, but I don’t believe that it is accurate since most Tsumeb smithsonites labeled “cadmium” are pure guesses by collectors and dealers. Wonderful color, zoning and luster on this one, not to mention good sized and well defined crystals.


Price: $1500.00
Location: Tsumeb Mine, Tsumeb, Namibia
Dimensions: 7.3 x 5.5 x 2cm
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Smithsonite Var. Cobaltoan

ID: 6392
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A mound of deep hot pink crystals of smithsonite sit on a dark sulfide matrix. Top notch color and luster.


Price: $400.00
Location: Tsumeb Mine, Tsumeb, Namibia
Dimensions: 4 x 3 x 2.5cm
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Dolomite After Tarnowitzite with Cuprite (Ex Claude Yoder Coll.)

ID: 6389
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Pearly dolomite crystals have completely replaced tarnowitzite crystals (the plumbian variety of aragonite) and are dotted by hexagonal cuprite crystals and tiny yellow mimetites, (most of them at the base of the specimen).


Price: $400.00
Location: Tsumeb Mine, Tsumeb, Namibia
Dimensions: 6.5 x 4.3 x 2.7cm
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Cerussite with Chalcotrichite Inclusions

ID: 6386
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Very sharp red cerussites (colored by inclusions of chalcotrichite) sit on a matrix of white calcite rhombs and some minor sulfides. Very special large TN of this sought after occurrence.


Price: $3200.00
Location: Tsumeb Mine, Tsumeb, Namibia
Dimensions: 3.4 x 3.3 x 3.1cm
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Wulfenite on Tennantite (Ex John Schneider Coll.)

ID: 6385
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Dark, striated lustrous crystals of wulfenite on a matrix of black tennantite.


Price: $300.00
Location: Tsumeb Mine, Tsumeb, Namibia
Dimensions: 5 x 3.6 x 2.4cm
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Locality:

There are 98 news updates.