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 Huanggang Mine, Kèshíkèténg Qí, Chifeng, Inner Mongolia, China Slender plate of lustrous yellow metallic chalcopyrite microcrystals on matrix....

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...

From Kolwezi, Katanga, Democratic Republic of the Congo (Zaire)   Large polished free form botryoidal specimen of solid chrysocolla and malachite ...

From Ray Mine, Mineral Creek District, Pinal County, Arizona Bright blue micro crystal coating of chrysocolla over quartz crystal Custer matrix. T...

From Agoudal Mine, Bou Azzer District, Anti-Atlas Mountains, Tazenakht, Ouarzazate, Morocco Lustrous translucent pink cobalt-rich calcite crystals ...

From Agoudal Mine, Bou Azzer District, Anti-Atlas Mountains, Tazenakht, Ouarzazate, Morocco Lustrous translucent pink cobalt-rich calcite crystals ...

From Agoudal Mine, Bou Azzer District, Anti-Atlas Mountains, Tazenakht, Ouarzazate, Morocco Lustrous translucent pink cobalt-rich calcite crystals ...

From Bou Azzer District, Anti-Atlas Mountains, Ouarzazate, Morocco Lustrous rounded cluster of vibrant pink scalenohedral calcite crystals. The cal...

From Mashamba West , Kolwezi, Western area, Shaba Cu belt, Shaba (Katanga), Congo (Zaire) It is no surprise that minerals predominantely display co...

From Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia Scintillating formation of spherical aggregates of quartz with translucent green conic...