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

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 Touissit Mine, 21 km SSE of Oujda, Jerada Province, Oriental, MoroccoLarge cluster of translucent yellow bladed wulfenite crystals over tan-co...

From Olinghouse Mine, 6030 bench, 813 pit, Washoe County, Nevada Many crystals of fine, wire crystals of native gold in spongy patches on greenish ...

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

From Sterling Mine, Stoneham, Weld County, Colorado Cluster of intersecting transparent many prismatic blue barite crystals in sphalerite matrix. ...

From Machow Mine, Tarnobrzeg, Poland Diverging sprays of transparent, golden barite crystals on matrix with yellow iron. The barite crystals are el...

From Yaogangxian Mine, Nanling Mountains, Hunan Province, China   Translucent green fluorite crystal cluster with bright luster and well crystalli...

From Ahouli Mines, Aouli, 7 km northeast of Mibladen, Zeida-Aouli-Mibladen belt, Midelt Province, Morocco Rich specimen of bright-blue lustrous azu...

From Ahouli Mines, Aouli, 7 km northeast of Mibladen, Zeida-Aouli-Mibladen belt, Midelt Province, Morocco Rich specimen of bright-blue lustrous azu...

From Kolwezi, Katanga, Democratic Republic of the Congo (Zaire) Colorful specimen of lustrous translucent blue cornetite crystals with translucent...

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

From Ray Mine, Mineral Creek District, Pinal County, Arizona Bright blue micro crystal coating of chrysocolla over quartz crystal Custer matrix. T...

From Cave-in-Rock District, Hardin County, Illinois Very aesthetic large transparent cubic fluorite crystals with white barite overgrown on yellow ...

From Sierra de Los Lamentos, Chihuahua, Mexico Very sculptural large crystals of translucent orange-brown wulfenite with satin luster on the broad ...

Gebel Kamil is a meteorite that struck Egypt approximately 5 millennia ago, resulting in a crater encircled by thousands of iron shrapnel with a co...

Gebel Kamil is a meteorite that struck Egypt approximately 5 millennia ago, resulting in a crater encircled by thousands of iron shrapnel with a co...

Libyan Desert Glass is a substance found in areas in the eastern Sahara, in the deserts of eastern Libya and western Egypt. Fragments of desert gla...

Libyan Desert Glass is a substance found in areas in the eastern Sahara, in the deserts of eastern Libya and western Egypt. Fragments of desert gla...

Libyan Desert Glass is a substance found in areas in the eastern Sahara, in the deserts of eastern Libya and western Egypt. Fragments of desert gla...

Libyan Desert Glass is a substance found in areas in the eastern Sahara, in the deserts of eastern Libya and western Egypt. Fragments of desert gla...

Libyan Desert Glass is a substance found in areas in the eastern Sahara, in the deserts of eastern Libya and western Egypt. Fragments of desert gla...

Libyan Desert Glass is a substance found in areas in the eastern Sahara, in the deserts of eastern Libya and western Egypt. Fragments of desert gla...