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TUCSON 2011 February 18, 2011 · 12 specimens Mixed African minerals including selections from the Carl Acosta collection. |
AF680 - Smithsonite sold
Berg Aukas Mine, Grootfontein, Namibia
Small Cabinet - 8 x 5 x 3 cm
Mound-shaped cluster of translucent yellow Smithsonite crystals. Nearly solid Smithonite with just a tiny amount of matrix on the bottom. This glows when backlit. From the Willy Israel collection.
AF681 - Cerussite with Mottramite sold
Tsumeb, Namibia
Miniature - 3.3 x 2.5 x 2.2 cm
Stunning, gem-like Cerussite crystal with attached green Mottramite. Thick and highly transparent. From the Carl Acosta collection.
AF682 - Cuprian Smithsonite sold
Tsumeb, Namibia
Miniature - 5 x 3 x 1.7 cm
Colorful apple green rhombs of Smithsonite coating both sides of matrix with individual crystals to 9mm. No damage front or back (or sides). From the Carl Acosta collection.
AF683 - Rosasite pseudo. Azurite with Cerussite sold
Tsumeb, Namibia
Miniature - 3.8 x 2.5 x 2.1 cm
Blue/green Rosasite after Azurite crystals to 2.8cm tall. Well formed crystals, colorful specimen. From the Carl Acosta collection.
AF684 - Calcite with Copper sold
Onganja, Windhoek, Namibia
Miniature - 4.8 x 3.5 x 2.5 cm
Well crystallized transparent Calcite on crystallized Copper. The Calcite crystals have grown through the Copper and extend out the backside of the Copper.
AF685 - Malachite after Azurite sold
Tsumeb, Namibia
Miniature - 4 x 2.5 x 1.8 cm
Good minature sized cluster of Malachite pseudomorph of Azurite crystals with very sharply formed crystals, not rounded as many of these can be. From the Carl Acosta collection.
AF692 - Wulfenite sold
Mvouti, Kouilou Dept., Republic of Congo
Thumbnail - 2.8 x 2.4 x 1 cm
AF693 - Amethyst sold
Brandberg, Namibia
Miniature - 4 x 3.9 x 2.2 cm
Geometric cluster of double terminated Amethyst crystals. 5 crystals total, complete all around floater specimen.
AF694 - Elbaite on Quartz sold
Ofiki, Ibadan, Nigeria
Thumbnail - 2.5 x 2 x 1.5 cm
Gemmy bi-colored Elbaite crystal attached to a clear Quartz crystal. The Elbaite is well terminated, undamaged and lustrous.
AF695 - Ajoite in Quartz sold
Messina Mine, Transvaal, South Africa
Thumbnail - 3 x 1.2 x 1 cm
Richly saturated phantom(!) of Ajoite within a single Quartz crystal. Ajoite is usually randomly dispersed within the Quartz, so a perfect phantom such as this is uncommon. Half the crystal has polished faces highlighting the internal beauty, the other half was left with natural faces. From the Carl Acosta collection.
AF696 - Cuprian Adamite sold
Tsumeb, Namibia
Miniature - 3.2 x 1.5 x 1.5 cm
Deep green, complete pinwheel of Cuprian Adamite, such formations are uncommon from Tsumeb. Fine quality, rare thumbnail from the Carl Acosta collection.
AF697 - Mimetite sold
Tsumeb, Namibia
Thumbnail - 2.5 x 2 x 1.5 cm
Stout, 1cm Mimetite crystal with smooth, flat termination faces and prism faces covered by smaller Mimetites. Valued at $100.