From Huanggang Mine, Kèshíkèténg Qí, Chifeng, Inner Mongolia, China Several intersecting doubly terminated quartz crystals colored green by inclusi...

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

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

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

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

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

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

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

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

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

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

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

From Guilin Prefecture, Guangxi Zhuang Autonomous Region, China Aesthetic stalactitic formation of translucent tanish-orange scalenohedral calcite ...

From Jalgaon District, Maharashtra, India  Classic example of cream colored cluster of bowtie stilbite crystal on matrix. Stilbite crystals are tra...

From Aurangabad, Maharashtra, India Classic example of cream colored cluster of bowtie stilbite crystals in tapered wheat-sheaf-shaped aggregates o...

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

From Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia Classic pristine specimen of lustrous white tarnowitzite crystals ranging from small t...

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

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

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

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

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