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 Wulashan Au deposit, Wulashan mining district, Binhe New District, Baotou City (Baotou Prefecture), Inner Mongolia, China. Beautiful specimen ...

Long cluster of large, blocky crystals of yellow-tan barite crystals. The barites are translucent and show internal growth phantoms   Weight: 451.7...

Large, museum-quality, lustrous transparent deep golden calcite with small sphalerite crystal at the base of the crystal. Double terminated scaleno...

Large, museum-quality, lustrous transparent deep golden calcite with small sphalerite crystal at the base of the crystal. Double terminated scaleno...

Lustrous transparent deep golden calcite crystal on matrix. Large double terminated scalenohedral twinned on the C-axis with well defined re-entran...

Large, museum-quality, lustrous transparent deep golden calcite with small sphalerite crystal at the base of the crystal. Double terminated scaleno...

Large, museum-quality, lustrous transparent deep golden calcite with small sphalerite crystal at the base of the crystal. Double terminated scaleno...

From Elk Creek, Meade County, South Dakota Large, museum-quality, lustrous transparent deep golden calcite on matrix. Double terminated scalenohedr...

Xianghualing-Xianghuapu Mines, Hunan, China Unusual, unique one of a kind specimen of calcite on purple green fluorite. Cubic fluorite crystals in ...

From Elmwood Mine, Tennessee, United States. Large, museum-quality, lustrous transparent deep golden calcite, 4"x2.75" with sphalerite crystal at t...

Large, museum-quality, lustrous transparent deep golden calcite with sphalerite crystal at the base of the crystal. Double terminated scalenohedral...

From Elmwood Mine, Tennessee, United States. Large, museum-quality, lustrous transparent deep golden calcite with sphalerite crystal at the base of...

Lustrous rich translucent green cubic halite crystals on matrix.     Weight: 1.85 lbs, Dimensions: 8 x 3.5 x 3.5 inches

From Mina el Potosí, Santa Eulalia District, Aquiles Serdán, Chihuahua, Mexico Here is a very aesthetic specimen with transparent, colorless diverg...

From Nasik District, Maharashtra, IndiaAesthetic specimen of lustrous double terminated pinkish-red Heulandite crystals in a fan shaped formation i...

Large single crystal of transparent, pink spodumene Kunzite with with steep termination on the top, and complex termination on the bottom. Kunzite...

Fully terminated single crystal of transparent gem quality spodumene var. Kunzite. The crystal faces are composed of smaller lustrous parallel crys...

From Katanga (Shaba) Province, Democratic Republic of the Congo (Zaire)Lustrous transparent green acicular malachite crystals lining cavities on Cu...

From Katanga (Shaba) Province, Democratic Republic of the Congo (Zaire)Lustrous transparent green acicular malachite crystals lining cavities on Cu...

From Bombay Quarry, Mumbai (Bombay), Maharastra, India   Large hemispherical formation of thin needle like colorless mesolite crystals on matrix li...

From Bombay Quarry, Mumbai (Bombay), Maharastra, India   Large hemispherical formation of thin needle like colorless mesolite crystals lined with g...

From San Pedro Mine, San Pedro Corralitos, Chihuahua, Mexico Well defined undamaged specimen of olive yellow-green ball aggregates of mimetite crys...