From Liufengshan Mine, Guichi, Anhui Province, China Rich cluster of lustrous deep royal blue azurite crystals on malachite-duftite-calcite matrix....

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 ...

From Fengjiashan Mine, Edong Mining District, Daye Co., Hubei Province, China   Large cluster of sharp scalenohedral crystals of calcite with red h...

Red Quartz Hematite crystal cluster from Izizauen Alnif, Tarhbalt, Morocco. 2014 find of lustrous brick red hematite included quartz crystal cluste...

The Chimney Rock Quarry in Bound Brook, NJ has produced world-class specimens of native copper. Unusually large specimen of crudely crystallized n...

From Guatomo Mine, near Tham Thalu, south of Hat Yai, Yala Province, Thailand Well defined undamaged specimen of olive yellow-green ball aggregates...

From Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia Rich cluster of lustrous deep royal blue azurite crystals on malachite-duftite-calcite...

Lustrous vibrant orange-yellow showy, sharp "Porcupine" calcite cluster. The calcites are perfectly terminated and damage free.   Weight: 4.7 lbs, ...

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

From Nuestra Señora del Carmen Mines, La Celia lamproite outcrops, Jumilla, Murcia, SpainLustrous interconnected purple-gray crystals with minor ma...

From Xiaoqinggou, Datong, Shanxi, China Sculptural formation of twisted wire-crystals of native silver (naturally occurring silver crystals) with ...

From Red Lead Mine, Dundas, Tasmania, Australia Colorful specimen of bright red-orange translucent crocoite crystals on brown gossan with minor yel...

From Kolwezi, Katanga, Democratic Republic of the Congo (Zaire) Large polished free form botryoidal specimen of solid chrysocolla and malachite bu...

From Ahouli Mines, Aouli, 7 km northeast of Mibladen, Zeida-Aouli-Mibladen belt, Midelt Province, Morocco Sparkling blue azurite microcrystals with...

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

From Huanggang Mine, Kèshíkèténg Qí, Chifeng, Inner Mongolia, China Lustrous translucent gray-white with transparent colorless calcite crystals.  ...

From Casapalca District, Huarochiri Province, Peru Large lustrous striated cubic yellow-metallic pyrite crystals with black-metallic sphalerite cry...

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

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

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

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

From Moscona Mine, Villabona District, Asturias, Spain. Very aesthetic cluster of yellow crystals of cubic fluorite with a colorless calcite crysta...

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