From Bombay Quarry, Mumbai (Bombay), Maharastra, India Hemispherical cluster of hair-thin okenite crystals in a geode lined with calcite along side...

Red Quartz Hematite crystal cluster from Izizauen Alnif, Tarhbalt, Morocco. Cylindrical stalactite of calcite crystals mixed with red hematite.  He...

From Kamoya Mines, Lualaba Province, Democratic Republic of the Congo Several bright metallic crystals of rare carrollite running through white cal...

Half of a hollow geode lined on the inner surfaces with lustrous purple amethyst quartz crystals. All of the amethyst crystals are clean and lustro...

From Koksha Valley, Khash & Kuran Wa Munjan Districts, Badakhshan Province, Afghanistan Prismatic blue afghanite crystals exposed on the face o...

From Ganzhou, Jinagxi, China Superb water-clear wedge-shaped barite crystals covering one face of tan-colored matrix. The barite crystals formed ov...

From Mogok, Sagaing Division, Myanmar (Burma) An excellent complex crystal of red Spinel crystals with deep cherry-red to translucent strawberry-re...

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

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

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

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

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

Red Quartz Hematite crystal cluster from Izizauen Alnif, Tarhbalt, Morocco. Cylindrical stalactite of calcite crystals mixed with red hematite.  He...

From Aurangabad, Maharashtra, India Large pale snow white pseudomorph crystal of gem transparent calcite crystals coated with sparkling quartz micr...

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

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

From Reb Embers Mine Erving, Franklin County, Massachusetts USA Three large almandine garnet in silvery graphite matrix. The almandine garnet is we...

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

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

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

Red Quartz Hematite crystal cluster from Izizauen Alnif, Tarhbalt, Morocco. Cylindrical stalactite of calcite crystals mixed with red hematite.  He...

Beautiful specimen from Piedra Parada, Las Vigas de Ramirez, Veracruz, Mexico. Parallel formation of amethyst crystals with great transparency and ...

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

Transparent green cubic fluorite crystals with slightly textured crystal faces that are composed of microscopic octahedral faces. The bright green ...