From Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia Lustrous transparent deep-green dioptase crystals lining a shallow cavity in brown mat...

From Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia Bright gemmy, wildly lustrous and rich cluster of green dioptase crystals. The dioptas...

From Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia Lustrous transparent deep-green dioptase crystals lining a shallow cavity in brown mat...

From Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia Lustrous transparent deep-green dioptase crystals lining a shallow cavity in brown mat...

Large optical, water-clear crystal of selenite with clean, lustrous surfaces. The crystal is doubly terminated, with sugary white micro crystals co...

Large optical, water-clear crystal of selenite with clean, lustrous surfaces. The crystal is doubly terminated, with sugary white micro crystals co...

Large optical, water-clear crystal of selenite with clean, lustrous surfaces. The crystal is doubly terminated, with sugary white micro crystals co...

Large optical, water-clear crystal of selenite with clean, lustrous surfaces. The crystal is doubly terminated, with sugary white micro crystals co...

Transparent purple fluorite crystals with minor hemimorphite crystal matrix. The crystal is externally unblemished, and only one internal flaw, oth...

Large double-sided cluster of translucent fluorite crystals with minor hemimorphite crystal matrix. The cubic crystals have many smaller cubic crys...

Large double-sided cluster of translucent fluorite crystals. The fluorite is gray color in the core with a thin purple outer layer that is most not...

Ammolite is a beautiful organic stone that’s formed from Aragonites inside the fossilized shells of Ammonites. It’s usually colored red and green, ...

Moldavite is a forest green, olive green or blue greenish projectile rock formed by a meteorite impact probably in southern Germany that occurred a...

Museum quality, 8" tall stone containing many small ammonite fossils. The ammonites are of the species Promicroceras marstonense and are Lower Jura...

Museum quality, 5" tall stone containing many small ammonite fossils. The ammonites are of the species Promicroceras marstonense and are Lower Jura...

Museum quality, 8" tall stone containing many small ammonite fossils. The ammonites are of the species Promicroceras marstonense and are Lower Jura...

From the Eocene epoch. Monte Baldo, Italy. This rare and superb crab fossil comes from the limestone layers situated near Vicenza in Italy. The thr...

This beautiful French fossil echinoderms covers its yellowish and undulating matrix with "dunes" mimicking the ancient ocean floor. The smooth dis...

A gorgeous Indonesian Crab fossil. Beautiful polish, cleaned with care. Delicate and fascinating details. This specimen will make a unique addition...

Extremely unique ammonite fossil exposing positive and negative with its original matrix. It displays a brilliant opalescence of pink and purple....

AAA quality, translucent to transparent, natural lusturous Brazilian Smoky Quartz Cluster with rutile crystal inclusions. Smokey Quartz works with ...

AAA quality, translucent to transparent, natural lusturous Brazilian Smoky Quartz Cluster with rutile crystal inclusions. Smokey Quartz works with ...

This AAA quality Smoky Quartz cluster from Mina Gerais, Brazil is natural and lustrous, with varying crystal sizes. Hues range from translucent to ...

This AAA quality Smoky Quartz cluster from Mina Gerais, Brazil is natural and lustrous, with varying crystal sizes. Hues range from translucent to ...