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

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

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

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

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

From Xiaoqinggou, Datong, Shanxi, China Sculptural formation of twisted wire-crystals of native silver (naturally occurring silver crystals) with ...

From Xiaoqinggou, Datong, Shanxi, China Sculptural formation of twisted wire-crystals of native silver (naturally occurring silver crystals) with ...

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

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

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

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

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

From Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia Lustrous beautiful complex rhombic crystal cluster of pink smithsonite on matrix. Crys...

from St. Gotthard, Kanton Uri, Switzerland   Large matrix lined with gem transparent smoky quartz crystals with lustrous faces and sharp terminatio...

From Nani Hill, Loliondo, Ngorongoro district, Arusha, Tanzania Large trapezohedral crystal of transparent orange spessartine garnet with no matrix...

From Nani Hill, Loliondo, Ngorongoro district, Arusha, Tanzania   Large trapezohedral crystal of transparent orange spessartine garnet with no matr...

From Wushan Spessartine Mine, Tongbei-Yunling District, Fujian Province, China Large specimen of lustrous transparent deep red spessartine garnet c...

Lustrous translucent red-brown sphalerite crystals in an elongated cluster perched on a thin slab of gray matrix coated with quartz microcrystals. ...

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

 from Dalnegorsk, Primorskiy Kray, Russia   Large cabinet specimen of a sparkling cluster of highly lustrous jet black sphalerite crystals in aggre...

 from Dalnegorsk, Primorskiy Kray, Russia   Large cabinet specimen of jet black sphalerite crystals in  compound groups of parallel crystals on mat...

Sphalerite crystal overgrown on top of a clear quartz crystals. The fluorite surfaces are composed of smaller parallel crystal faces accented by sm...

from Elmwood Mine, Carthage, Smith County, Tennessee Large plate lined with scintillating micro quartz crystals with isolated rosettes of  brillian...

From West Boltsburn Mine, Rockhope District, Weardale, England Beautiful specimen of purple fluorite crystals  covered with overgrowth of siderite ...