From Flambeau Mine, Rusk County, Wisconsin, USA Iridescent crystals of metallic chalcopyrite on quartz crystals. Bright and lively color of blues ,...

From Flambeau Mine, Rusk County, Wisconsin, USA Iridescent crystals of metallic chalcopyrite on quartz crystals. Bright and lively color of blues ,...

From Liufengshan Mine, Guichi, Anhui Province, China Lustrous dark-blue azurite crystals lining cavities front and rear on a crystallized mass of a...

From Kelly Mine, Magdalena District, Socorro County, New Mexico Beautiful specimen of lilac-purple botryoidal smithsonite in rounded, botryoidal sh...

From Jebel Ouichane, Sagangane, Nador Province, L'Oriental Region, Morocco.Lustrous transparent blue tapered barite crystals in a group of parallel...

From La Grasta Mine, Delia, Caltanissetta Province, Sicily, Italy Colorless translucent prismatic celestine crystals with lustrous crystal faces, o...

From Kunar, Afghanistan Large single crystal of transparent sherry colored Topaz with sharp complex basal pinacoid terminations. Crystal is well fo...

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

From Stanley Butte, San Carlos Indian Reservation, Graham County, Arizona Well crystallized, classic cluster of greenish-brown andradite garnet cry...

From Wushan Spessartine Mine, Tongbei-Yunling District, Fujian Province, China Large specimen of lustrous transparent deep red spessartine garnet c...

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

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

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

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

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

Galena from Krushev Dol Mine, Madan District, Rhodope Mountains, Bulgaria Bright metallic galena crystals with mirror-like surface luster with mino...

Sculptural formation of sharp, distinct copper crystals from Jiujiang Co., Jiangxi Province, China. The copper looks beautiful under magnification...

From Shanhua Pu Mine, Xianghualing, Hunan Province, China Lustrous transparent green cubic fluorite crystals covered with colorless calcite crystal...

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

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

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

From Mina Navidad, 19 km northwest of Abasolo, Durango, Mexico Lustrous transparent colorless spherical clusters of radiating orange creedite cryst...

From Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia Rich cluster of many intersecting yellow mimetite crystals. Very lustrous, good color....

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