This substantial specimen from Gachala, Cundinamarca, Colombia, features an iron cross twin of goethite pseudomorph after pyrite. The pyrite is com...

This substantial specimen from Gachala, Cundinamarca, Colombia, features an iron cross twin of goethite pseudomorph after pyrite. The pyrite is com...

This substantial specimen from Gachala, Cundinamarca, Colombia, features an iron cross twin of goethite pseudomorph after pyrite. The pyrite is com...

This substantial specimen from Gachala, Cundinamarca, Colombia, features an iron cross twin of goethite pseudomorph after pyrite. The pyrite is com...

From Elmwood Mine, Carthage, TennesseeSingle double terminated twinned crystal of rich golden calcite on matrix lined with metallic luster sphaleri...

From Elmwood Mine, Carthage, TennesseeLarge aesthetic cluster of highly lustrous black sphalerite crystals on a quartz coated matrix with micro gol...

From Lonavala Quarry, Pune District, Maharashtra, India Lustrous transparent-to-translucent large green apophyllite crystals with translucent pink-...

From Jalgaon, Aurangabad District, Maharastra, India Very aesthetic, Lustrous transparent bi-colored apophyllite crystals with translucent pink sti...

From Nasik District, Maharashtra, India Large translucent to transparent apophyllite crystal cluster with twinned crystals of calcite on matrix wit...

From Pashan Hill Quarry, Poona District, Maharashtra, India Radial spray of transparent green fluorapophyllite crystals with lustrous crystal faces...

From Xianghualing, Hunan Province, China   Internally clear transparent crystal cluster of vivid green cubic fluorite crystals on matrix. The matri...

from Mount Gunson Area, South Australia, Australia   The rich translucent green cubic halite crystals in an inter grown 360 formation over selenite...

An aesthetic specimen of a 6" gem transparent gypsum var. selenite crystal on druzy matrix. The specimen has top quality transparency with a glassy...

An aesthetic specimen of a 7" gem transparent gypsum var. selenite crystal on druzy matrix. The specimen has top quality transparency with a glassy...

An aesthetic specimen of a 7.5" gem transparent gypsum var. selenite crystal on druzy matrix. The specimen has top quality transparency with a glas...

This Herkimer Quartz Cluster from Herkimer County, New York boasts impeccable quality with a visually stunning stacked formation of doubly-terminat...

This Herkimer Quartz Cluster from Herkimer County, New York boasts impeccable quality with a visually stunning stacked formation of doubly-terminat...

This Herkimer Quartz Cluster from Herkimer County, New York boasts impeccable quality with a visually stunning stacked formation of doubly-terminat...

This Herkimer Quartz Cluster from Herkimer County, New York boasts impeccable quality with a visually stunning stacked formation of doubly-terminat...

This Herkimer Quartz Cluster from Herkimer County, New York boasts impeccable quality with a visually stunning stacked formation of doubly-terminat...

This Herkimer Quartz Cluster from Herkimer County, New York boasts impeccable quality with a visually stunning stacked formation of doubly-terminat...

Doubly-terminated, stacked cluster of Herkimer Quartz crystals from Herkimer County, New York. This aesthetic specimen, translucent to transparent ...

This Herkimer Quartz Cluster from Herkimer County, New York boasts impeccable quality with a visually stunning stacked formation of doubly-terminat...

Doubly-terminated, stacked cluster of Herkimer Quartz crystals from Herkimer County, New York. This aesthetic specimen, translucent to transparent ...