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Tsumeb! September 8, 2025 · 12 specimens |
R420 - Smithsonite on stalactite $2,500 available
Tsumeb, Namibia
Small Cabinet - 6 x 1.5 x 1.4 cm
Rare Tsumeb specimen of pink Smithsonite crystals partially coating a metallic grey stalactite of Tennnantite(?), and a significantly long one at that! The stalactite is fluorescent orange and is possibly Sphalerite. The Smithsonite are gemmy and reach 5mm in size, preferentially coating one side of the stalactite. The stalactite is slightly irridescent. Ex. Carl Acosta collection.
R421 - Malachite in Calcite with Duftite sold
Tsumeb, Namibia
Small Cabinet - 7 x 4 x 2.5 cm
Fine, highly aesthetic specimen composed of glassy, transparent Calcite rhombs included by Malachite. The crystals are sharp, lustrous, and cover both sides of the specimen (a floater). The Calcite are water-clear making this a really bright and sparkly specimen. Areas of Duftite are also present, mostly on the backside. Ex. Carl Acosta, Tizziano Bonisoli collections.
R422 - Cerussite $1,500 available
Tsumeb, Namibia
Small Cabinet - 6 x 5 x 2.8 cm
R423 - Duftite with Calcite 'Saguaro Cactus' $900 available
Tsumeb, Namibia
Miniature - 5 x 3 x 2.5 cm
R425 - Mimetite sold
Tsumeb, Namibia
Thumbnail - 2.5 x 2.2 x 1.5 cm
Fine an undamaged specimen of yellow Mimetite crystals on matrix. The Mimetite have pointed, gemmy terminations. Excellent color and luster. Ex. Carl Acosta collection.
R426 - Tarnowitzite sold
Tsumeb, Namibia
Small Cabinet - 8 x 7 x 4.5 cm
Large white Tarnowitzite crystals grown on both sides of a thin rock matrix. Many crsytals are doubly-terminated, including the largest one at 3.5cm wide. More sculptural than most with crystals growing in many different directions. Ex. Carl Acosta collection.
R427 - Mimetite with Malachite $500 available
Tsumeb, Namibia
Small Cabinet - 8 x 7 x 2.5 cm
Colorful specimen with yellow Mimetite clusters with Malachite. The Malachite occurs as both isolated masses and coating elongated crystals of an unidentified species (Copper?). Ex. Carl Acosta collection.
R428 - Smithsonite stalactite $2,750 available
Tsumeb, Namibia
Miniature - 4 x 1.5 x 1.4 cm
Single stalactite of translucent green Smithsonite. One of the more uncommon Smithsonite formations found at Tsumeb and I've only ever seen a few of these. The base shows concentric circles of Smithsonite of varying colors. Undamaged (the tip is perfect) and attractive. Ex. Carl Acosta collection (he called it 'the dunce cap').
R429 - Adamite $2,250 available
Tsumeb, Namibia
Miniature - 4.5 x 3.5 x 2 cm
Golden/green crystals of Adamite on matrix. Large crystals to 1cm in size. Good Adamite specimens are very uncommon from Tsumeb. Ex. Carl Acosta collection.
R430 - Smithsonite on Willemite sold
Tsumeb, Namibia
Small Cabinet - 6 x 4 x 4 cm
White rhombs of Smithsonite atop pink and orange Willemite on matrix. Uncommon from a rare pocket. Ex. Carl Acosta collection.
R431 - Calcite on Willemite sold
Tsumeb, Namibia
Miniature - 4.4 x 3 x 2 cm
White Calcite crystals atop layers of solid yellow (cadmium) Willemite. The Willemite is bright yellow and translucent. Unusual! Ex. Carl Acosta collection.
R432 - Azurite on Calcite sold
Tsumeb, Namibia
Miniature - 4.2 x 3 x 2 cm
Sparkling, botryoidal white Calcite sprinkled with Azurite crystals. The Azurite crystals reach 7mm in size and are sharp with wonderful form. Superb contrast and Azurite on white Calcite is uncommon! Ex. Carl Acosta, David Ziga collections.