Sharp cubic metallic pyrite crystal in tan-colored Basalt matrix. The pyrite crystal has smooth crystal faces with almost mirror-like luster, stand...

Sharp cubic metallic pyrite crystals in tan-colored Basalt matrix. The pyrite crystal has smooth crystal faces with almost mirror-like luster, stan...

A large sharp cubic metallic pyrite crystal in tan-colored Basalt matrix. The pyrite crystal has smooth crystal faces with almost mirror-like luste...

Sharp cubic metallic pyrite crystal in tan-colored Basalt matrix. The pyrite crystal has smooth crystal faces with almost mirror-like luster, stand...

A large sharp cubic metallic pyrite crystal in tan-colored Basalt matrix. The pyrite crystal has smooth crystal faces with almost mirror-like luste...

Two large cubic pyrite crystal across intergrown perched on Basalt matrix. The pyrite crystals have smooth faces and sharp edges, stands upright ni...

Several large cubic pyrite crystal across intergrown perched on Basalt matrix. The pyrite crystals have smooth faces and sharp edges, stands uprigh...

Two large cubic pyrite crystal across intergrown perched on Basalt matrix. The pyrite crystals have smooth faces and sharp edges, stands upright ni...

Lustrous single crystal of pyrite with yellow-metallic color. The pyrite crystal is an unusual asymmetric shape that is apparently a combination of...

Spherical cluster of lustrous yellow-metallic pyrite crystals fully crystallized on all faces except with quartz crystals. The pyrite crystals are ...

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

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...

This Pyrite from Isola d'Elba, Tuscan Archipelago, Livorno, Italy features fully crystallized, lustrous yellow-metallic crystals with a beautiful c...

This Pyrite from Isola d'Elba, Tuscan Archipelago, Livorno, Italy features fully crystallized, lustrous yellow-metallic crystals with a beautiful c...

This Pyrite from Isola d'Elba, Tuscan Archipelago, Livorno, Italy features fully crystallized, lustrous yellow-metallic crystals with a beautiful c...

This Pyrite from Isola d'Elba, Tuscan Archipelago, Livorno, Italy features fully crystallized, lustrous yellow-metallic crystals with a beautiful c...

From Merelani Hills, Lelatema Mts, Simanjiro District, Manyara Region, TanzaniaExtremely rare specimen of a large metallic luster pyrite crystal. I...

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...

Classic old-European specimen with a lustrous combination of well defined pyritohedral crystal cluster of Italian pyrite on hematite matrix. This u...

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