From Alimon Mine, Huaron, Cerro de Pasco, Peru Large formation of metallic chalcopyrite crystals overgrown on lustrous jet black sphalerite accente...

From Alimon Mine, Huaron, Cerro de Pasco, Peru Large formation of metallic chalcopyrite crystals overgrown on lustrous jet black sphalerite accente...

From Ouro Preto, Minas Gerais, Brazil Huge single crystal of sherry-colored gem-grade topaz with complex etched surface on the flat termination...

Superb specimen of translucent red-brown Chocolate heulandite in a doube terminated wheat sheave aggregates with lustrous crystal faces on chalcedo...

This self-standing Chrysanthemum Stone specimen is a unique and valuable find from China. Its formation, which occurred millions of years ago due t...

This self-standing Chrysanthemum Stone specimen is a unique and valuable find from China. Its formation, which occurred millions of years ago due t...

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

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

Stunning 30ct custom heart cut Citrine gemstone. This gorgeous citrine gemstone is natural gemstone which is reddish-brown to orange-brown hues. Th...

Stunning 36.5ct custom oval cut Citrine gemstone. This gorgeous citrine gemstone is natural gemstone which is reddish-brown to orange-brown hues. T...

Stunning 40.5ct custom oval cut Citrine gemstone. This gorgeous citrine gemstone is natural gemstone which is reddish-brown to orange-brown hues. T...

Large, fully-terminated cluster of lustrous crystallized AAA-quality translucent golden Citrine quartz crystals with vibrant golden-orange/yellow c...

AAA museum quality, hand polished fully terminated cluster of lustrous crystallized gem translucent golden citrine variety quartz crystals with vib...

Top quality Brazilian Citrine crystal cluster free-form mounted on a black metal stand. This beautiful specimen has vibrant orange/yellow color wit...

Stunning 27ct custom trillion cut Citrine gemstone. This gorgeous citrine gemstone is natural gemstone which is reddish-brown to orange-brown hues....

Stunning 36.5ct custom Trillion cut Citrine gemstone. This gorgeous citrine gemstone is natural gemstone which is reddish-brown to orange-brown hue...

Gemmy transparent fully terminated clear quartz crystal pendant silver plated on top with bail. Clear quartz is highly prized for its ability to cl...

From Bou Azzer District, Anti-Atlas Mountains, Ouarzazate, Morocco Lustrous rounded cluster of vibrant pink scalenohedral calcite crystals. The cal...

From Mashamba West , Kolwezi, Western area, Shaba Cu belt, Shaba (Katanga), Congo (Zaire) It is no surprise that minerals predominantely display co...

From Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia Scintillating formation of spherical aggregates of quartz with translucent green conic...

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

Sculptural formation of sharp, distinct copper crystals from Daye Co., Hubei Province, China.  The copper looks beautiful under magnification. A l...

From Quincy Mine, Hancock, Keweenaw Peninsula Copper District, Houghton County, MichiganLustrous translucent parallel scalenohedral calcite crystal...

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