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.

Stunning, gem-like Cerussite crystal with attached green Mottramite. Thick and highly transparent. From the Carl Acosta collection.

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.

Blue/green Rosasite after Azurite crystals to 2.8cm tall. Well formed crystals, colorful specimen. From the Carl Acosta collection.

Well crystallized transparent Calcite on crystallized Copper. The Calcite crystals have grown through the Copper and extend out the backside of the Copper.

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.

Geometric cluster of double terminated Amethyst crystals. 5 crystals total, complete all around floater specimen.

Gemmy bi-colored Elbaite crystal attached to a clear Quartz crystal. The Elbaite is well terminated, undamaged and lustrous.

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.

Deep green, complete pinwheel of Cuprian Adamite, such formations are uncommon from Tsumeb. Fine quality, rare thumbnail from the Carl Acosta collection.

Stout, 1cm Mimetite crystal with smooth, flat termination faces and prism faces covered by smaller Mimetites. Valued at $100.