From Xianghualing Cassiterite Mine, 32 km north of Linwu, Hunan Province, China Large, museum-quality, cubic transparent blue fluorite crystals wit...

From Eagle Mine, Colorado Large sparkling cluster of golden-yellow barite crystals to covers all sides, with minimal attachment point on matrix.   ...

From Nandan County, Hechi, Guangxi, China   Complex intersecting formation of lustrous gem translucent golden barite crystals with lustrous faces a...

From Nasik District, Maharashtra, India Penetrating twinned crystals of transparent golden yellow calcite with silky luster faces and sharp termina...

Museum quality, huge Amethyst geode features naturally formed, lustrous and fully terminated crystals with highly reflective faces and a deep, tran...

From Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia Lustrous translucent beige-colored bladed cerussite crystals that are repeatedly twinn...

From Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia Lustrous translucent beige-colored bladed cerussite crystals that are repeatedly twinn...

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

From Caravia-Berbes District, Asturias, SpainHuge 4 inch single crystal of purple fluorite with rich translucent grape color and well define intern...

Large aesthetic scalenohedral formation of rich deep golden calcite crystals in a parallel formation on matrix embedded with metallic sphalerite cr...

Large cluster of transparent reddish orange quartz crystals with coloration caused by microscopic spherical hematite inclusions on matrix lined wit...

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

From Bou Beker Mine, 21 km SSE of Oujda, Errachidia Province, Morocco An aesthetic specimen of flat disc shaped concretions of bright royal blue az...

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

From Caverna de Santo Domingo, Achiles Serdan, Chihuahua, Mexico Beautiful cluster of water-clear colorless gypsum (variety selenite) crystals with...

From Edong Mining District, Daye, Hubei, Chinarict, Kosovo This extraordinary Calcite specimen discovered in China features an impressive, one-of-a...

From Lushi, Henan Province, China Long cluster of large, blocky crystals of yellow-tan barite crystals. The barites are translucent and show intern...

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

From Agrigento Province, Sicily, Italy Classic and beautiful plate of bright gemmy translucent rich yellow sulphur crystals over translucent white ...

Excellent matrix specimen of doubly-terminated golden calcite crystals with larger intersecting crystal with multiple terminations. This calcite cr...

Penetrating twinned crystals of transparent golden yellow calcite with silky luster faces and sharp terminations. The twin orientation is well defi...

From Nandan County, Hechi, Guangxi, China Large plate of golden barite crystals to covers all sides, with minimal attachment point on matrix.   Wei...

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

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