From Madan District, Rhodope Mountains, Bulgaria Sculptural formation of lustrous yellow-metallic pyrite crystals with Sphalerite. The pyrite cryst...

From Madan District, Rhodope Mountains, Bulgaria Sculptural formation of lustrous yellow-metallic pyrite crystals with with dark Spinel-law twinned...

From San Eugenio, Artigas Dept., Uruguay   Large 4'' x 2.5" scalenohedral crystal of calcite on amethyst matrix accented by isolated cluster of col...

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

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

AAA quality, lustrous gem translucent yellow fluorite polished point. This specimen has bright rich honey yellow color and displays a base of ether...

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 Guatomo Mine, near Tham Thalu, south of Hat Yai, Yala Province, Thailand Well defined undamaged specimen of olive yellow-green ball aggregates...

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

AAA quality, lustrous gem translucent yellow fluorite polished point. This specimen has bright rich honey yellow color and displays a base of ether...

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

From Casapalca District, Huarochiri Province, Peru Large lustrous striated cubic yellow-metallic pyrite crystals with black-metallic sphalerite cry...

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

From Deveti Septemvri Mine, Madan District, Rhodope Mountains, Bulgaria Sparkling cluster of lustrous translucent gray quartz crystals overgrown on...

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 ...

A nicely banded cross section of an amethyst stalactite flower crystal from Southern Paraná Basalt Basin, Artigas, Uruguay Amethyst is a very power...

Polished Natural banded lace agate slice from Brazil. Natural agate with patterns of golden yellow, red and brown. Both sides polished to a high yi...

Top quality, hand polished agate point from Madagascar. This blue banded agate point featuring wonderful white, brown, and blue hues. This specimen...

Top quality, hand polished flower agate freeform from Madagascar. Flower Agate is a type of Agate with opaque Chalcedony inclusions that resemble t...