From Huanzala Mine, Huallanca District, Huanuco Department, Peru Beautiful lustrous golden metallic Pyrite crystal cluster with well defined octahe...

Lustrous yellow-metallic pyrite compound crystal with remnants of tan-colored matrix on the bottom. The pyrite crystal is cubo-octahedral form with...

Lustrous yellow-metallic pyrite compound crystal with remnants of tan-colored matrix on the bottom. The pyrite crystal is cubo-octahedral form with...

Beautiful cluster of lustrous yellow-metallic pyrite crystals. The pyrite crystals are mostly cubic form with pyritohedral edge faces.    53.1 gram...

From Navajun, Spain   Large rectangular shaped pyrite crystal with rich golden color and metallic mirror luster fully exposed on basalt matrix.   6...

From Edong Mining District, Daye, Hubei, Chinarict, Kosovo This extraordinary Calcite specimen discovered in China features an impressive, one-of-a...

From Daye Mine, Hubei Province, China   Large metallic mirror luster intergrown cubes of golden pyrite on quartz and pyrite enriched matrix lined w...

From Huaron District, Cerro de Pasco Province, Pasco Department, Peru Complex cluster of colorless quartz crystals inter grown with metallic yellow...

From Huaron District, Cerro de Pasco Province, Pasco Department, Peru Complex cluster of colorless quartz crystals inter grown with metallic yellow...

From Huaron District, Cerro de Pasco Province, Pasco Department, Peru Complex cluster of colorless quartz crystals inter grown with metallic yellow...

From Huaron District, Cerro de Pasco Province, Pasco Department, Peru Complex cluster of colorless quartz crystals inter grown with metallic yellow...

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

From Daoping Mine, Yangshuo, Guangxi, China Large cluster of lustrous translucent grass-green pyromorphite crystals on brown gossan. The pyromorphi...

A beautiful and free-form shaped translucent quartz clusters from Brazil. This specimen has beautiful lustrous quartz crystals. A great gift and a ...

A beautiful and free-form shaped translucent quartz clusters from Brazil. This specimen has beautiful lustrous quartz crystals. A great gift and a ...

From Diamantina, Minas Gerais, Brazil Large transparent colorless quartz crystals with surfaces composed of many smaller parallel crystal faces. In...

This Quartz stalactite slice from Southern Paraná Basalt Basin, Artigas, Uruguay features a beautifully banded cross section. This polished slice i...

This Quartz stalactite slice from Southern Paraná Basalt Basin, Artigas, Uruguay features a beautifully banded cross section. This polished slice i...

This Quartz stalactite slice from Southern Paraná Basalt Basin, Artigas, Uruguay features a beautifully banded cross section. This polished slice i...

This Quartz stalactite slice from Southern Paraná Basalt Basin, Artigas, Uruguay features a beautifully banded cross section. This polished slice i...

This Quartz stalactite slice from Southern Paraná Basalt Basin, Artigas, Uruguay features a beautifully banded cross section. This polished slice i...

This Quartz stalactite slice from Southern Paraná Basalt Basin, Artigas, Uruguay features a beautifully banded cross section. This polished slice i...

This Quartz stalactite slice from Southern Paraná Basalt Basin, Artigas, Uruguay features a beautifully banded cross section. This polished slice i...

This Quartz stalactite slice from Southern Paraná Basalt Basin, Artigas, Uruguay features a beautifully banded cross section. This polished slice i...