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...

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...

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...

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...

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

AAA quality beautifully polished Mexican onyx Sphere. It has an amazing, defined bands and patterns with vibrant hues of honey browns. Onyx is a fo...

A beautifully polished Mexican onyx Sphere. It has an amazing pattern with vibrant hues of white, black and yellow. Well defined banding all around...

A beautifully polished Mexican onyx Sphere. It has an amazing pattern the creamy hues of white and yellow. Well defined banding all around. In cry...

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

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

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

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

From Asturreta Quarry, Eugui District, Navarra Province, Spain Transparent colorless dolomite crystals with glassy crystal surfaces on matrix. Dolo...

From Lonavala Quarry, Pune District, Maharashtra, India Lustrous transparent-to-translucent large green apophyllite crystals with translucent pink-...

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

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