From Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia Large v-formation of transparent slightly smoky cerussite crystals with no attached ma...

From Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia Lustrous translucent beige-colored bladed cerussite crystals that are repeatedly twinn...

From Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia Lustrous translucent beige-colored bladed cerussite crystals that are repeatedly twinn...

From Aurangabad, Maharashtra, India Large pale whale tail chalcedony calcite pseudomorph crystal of gem transparent calcite crystals coated with sp...

From Nasik District, Maharashtra, India  Heres a very aesthetic specimen of 2 chalcedony stalactites in an intersecting formation coated in a apoph...

From Flambeau Mine, Rusk County, Wisconsin, USA Iridescent crystals of metallic chalcopyrite on quartz crystals. Bright and lively color of blues ,...

From Flambeau Mine, Rusk County, Wisconsin, USA Iridescent crystals of metallic chalcopyrite on quartz crystals. Bright and lively color of blues ,...

From Edong Mining District, Daye, Hubei, China Cluster of sharp scalenohedral calcite crystals partially covered with lustrous iridescent metallic ...

From Edong Mining District, Daye, Hubei, China Cluster of sharp scalenohedral calcite crystals partially covered with lustrous iridescent metallic ...

From Edong Mining District, Daye, Hubei, China Cluster of sharp scalenohedral calcite crystals partially covered with lustrous iridescent metallic ...

From Edong Mining District, Daye, Hubei, China Cluster of sharp scalenohedral calcite crystals partially covered with lustrous iridescent metallic ...

From Edong Mining District, Daye, Hubei, China Cluster of sharp scalenohedral calcite crystals partially covered with lustrous iridescent metallic ...

From Edong Mining District, Daye, Hubei, China Cluster of sharp scalenohedral calcite crystals partially covered with lustrous iridescent metallic ...

From Edong Mining District, Daye, Hubei, China Cluster of sharp scalenohedral calcite crystals partially covered with lustrous iridescent metallic ...

From Alimon Mine, Huaron, Cerro de Pasco, Peru Large formation of metallic chalcopyrite crystals overgrown on lustrous jet black sphalerite accente...

From Alimon Mine, Huaron, Cerro de Pasco, Peru Large formation of metallic chalcopyrite crystals overgrown on lustrous jet black sphalerite accente...

From Alimon Mine, Huaron, Cerro de Pasco, Peru Large formation of metallic chalcopyrite crystals overgrown on lustrous jet black sphalerite accente...

From Ouro Preto, Minas Gerais, Brazil Huge single crystal of sherry-colored gem-grade topaz with complex etched surface on the flat termination...

Here is Charybdis fossil crab is an exceptionally preserved prehistoric swimming crab from the Miocene to Pliocene epochs, dating roughly 5 to 23 m...

Here is Charybdis fossil crab is an exceptionally preserved prehistoric swimming crab from the Miocene to Pliocene epochs, dating roughly 5 to 23 m...

Here is Charybdis fossil crab is an exceptionally preserved prehistoric swimming crab from the Miocene to Pliocene epochs, dating roughly 5 to 23 m...

Here is Charybdis fossil crab is an exceptionally preserved prehistoric swimming crab from the Miocene to Pliocene epochs, dating roughly 5 to 23 m...

Here is Charybdis fossil crab is an exceptionally preserved prehistoric swimming crab from the Miocene to Pliocene epochs, dating roughly 5 to 23 m...

Here is Charybdis fossil crab is an exceptionally preserved prehistoric swimming crab from the Miocene to Pliocene epochs, dating roughly 5 to 23 m...