From Minggang Mine, Henan Province, China Large well defined cubic formation of fluorite crystals with crystal faces composed of smaller sub-parall...

From Chenzhou Prefecture, Hunan Province, China Translucent pale-pink crystals of sharp flattened rhombohedral manganoan calcite in parallel format...

From Edong Mining District, Daye, Hubei, China Cluster of sharp scalenohedral calcite crystals partially covered with lustrous iridescent metallic ...

From Edong Mining District, Daye, Hubei, China Cluster of sharp scalenohedral calcite crystals partially covered with lustrous iridescent metallic ...

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

From Elmwood Mine, Carthage, TennesseeSingle double terminated twinned crystal of rich golden calcite on matrix lined with metallic luster sphaleri...

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

From Deveti Septemvri Mine, Madan District, Rhodope Mountains, Bulgariaina Rare large specimen of crystals of arsenopyrite with quartz. The arseno...

From Shaba Copper Belt, Katanga (Shaba) Province, Democratic Republic of the Congo (Zaire) A sculptural botryoidal formation of solid velvety green...

From Huanggang Mine, Kèshíkèténg Qí, Chifeng, Inner Mongolia, China Large specimen of silvery metallic luster arsenopyrite crystals in a subparall...

From Xuebaoding Mountain near Pingwu, Sichuan Province, ChinaTranslucent orange scheelite crystals on plate of limonite-stained muscovite mica crys...

A world-class cluster of perfectly terminated cubic Pyrite crystals, interlocked on it's natural Basalt matrix. This specimen was discovered in the...

Here is very blocky, fine quality, facet grade, light tone of Spodumene var. yellow green kunzite crystal. This spectacular medium light tone yello...

From Jalgaon, Aurangabad District, Maharastra, India Lustrous complex cluster of intersecting transparent colorless apophyllite crystals completely...

From Mt. Xueboading, Pingwu Co., Mianyang Pref., Sichuan Prov., ChinaA single crystal of bright orange octahedrals of scheelite on matrix of silver...

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

A fine and gorgeous Malachite Stalactite slice from Congo with rich, velvety bands of light and dark green and a magical chatoyance that morphs and...

From Shaba Copper Belt, Katanga (Shaba) Province, Democratic Republic of the Congo (Zaire) A sculptural botryoidal formation of solid velvety green...

From Shaba Copper Belt, Katanga (Shaba) Province, Democratic Republic of the Congo (Zaire) A sculptural botryoidal formation of solid velvety green...

Large cluster of lustrous cubic fluorite crystals with surfaces composed of many smaller parallel cubic faces. The fluorite crystals have medium-pu...

From Leiping Mine, Guiyang, Hunan, China Internally flawless crystal cluster of optical-grade colorless calcite on gossan matrix. The calcite cryst...

From Leiping Mine, Guiyang, Hunan, China Internally flawless crystal cluster of optical-grade colorless calcite on gossan matrix. The calcite cryst...

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

Large 3 inch chocolate brown translucent huelandite crystal double terminated in a u shape on druzy quartz var. chalcedony in small stalactitic for...