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

From Mibladen, Atlas Mountains, Khénifra Province, Morocco  An exceptional world-class cluster of hexagonal brick-red Vanadinite crystals with glas...

From Mibladen, Atlas Mountains, Khénifra Province, Morocco  An exceptional world-class cluster of hexagonal brick-red Vanadinite crystals with glas...

From Mibladen, Atlas Mountains, Khénifra Province, Morocco  An exceptional world-class cluster of hexagonal brick-red Vanadinite crystals with glas...

From Mibladen, Atlas Mountains, Khénifra Province, Morocco  Here is an exceptional world class specimen of a cluster of hexagonal crystals of brigh...

From Mibladen, Atlas Mountains, Khénifra Province, Morocco  Here is an exceptional world class specimen of a cluster of hexagonal crystals of brigh...

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

From Nandan County, Hechi, Guangxi, China Long cluster of large, blocky crystals of yellow-tan barite crystals. The barites are translucent and sho...

From Lonavala Quarry, Pune District, Maharashtra, India Lustrous transparent-to-translucent large green apophyllite crystals overgrown on matrix. T...

This unique Pyrite Concretion from Dongchuan District, Yunnan Province, China features sparkling, sharp, modified metallic crystals arranged in con...

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...

Nice old time piece with crystal groupings of white silky okenite, throughout this open pocket with smaller crystals of gyrolite. In very good cond...

An aesthetic specimen of a 5" gem transparent gypsum var. selenite crystal on druzy matrix. The specimen has top quality transparency with a glassy...

Skutterudite from Arbhar Bei Mine, Bou Azzer, Djebel Sarrho, Dades, Morocco Bright metallic skutterudite crystals with white calcite matrix. The sk...

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

This genuine Quartz geode from Morocco showcases stunning, see-through white crystals with a sparkling appearance. The perfectly shaped, pure white...

From Nasik District, Maharashtra, India One milky calcite crystal on powder blue druzy chalcedony matrix.   Weight: 393 grams , Dimensions: 4.5 x 1...

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 Mibladen, Haute Moulouya Basin, Zeida-Aouli-Mibladen belt, Midelt Province, Morocco Unique lustrous translucent red-orange vanadinite crystals...

Thin plate of matrix embedded with gem transparent amethyst crystals. The amethyst crystals are fully terminated with rich deep purple amethyst cry...

From Nasik District, Maharashtra, India Lustrous cluster of intersecting acicular sprays of scolectite crystals with Stilbite matrix. The scolecite...