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

 from Elmwood Mine, Carthage, Smith County, Tennessee Transparent 3d cubic formation of bi colored purple fluorite with gem yellow core. Bright vib...

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

From Leiping Mine, Guiyang, Hunan, China Internally flawless crystal cluster of optical-grade colorless calcite on gossan matrix. The calcite cryst...

Genuine Hybodus Shark Fin Spine This A complete fossil of Hybodus from Germany showing placement of spine. These large spines helped to support the...

Genuine Hybodus Shark Fin Spine This A complete fossil of Hybodus from Germany showing placement of spine. These large spines helped to support the...

Genuine Hybodus Shark Fin Spine This A complete fossil of Hybodus from Germany showing placement of spine. These large spines helped to support the...

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

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

From Leiping Mine, Guiyang, Hunan, China Internally flawless crystal cluster of optical-grade colorless calcite on gossan matrix. The calcite cryst...

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

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

Doubly-terminated, stacked cluster of Herkimer Quartz crystals from Herkimer County, New York. This aesthetic specimen, translucent to transparent ...

Beautiful top quality hand-polished natural Imperial Rhodonite heart from Madagascar. It has an amazing pattern with vibrant hues of pink and red....

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

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

AAA quality, hand-polished flame free-form of natural gem translucent rose quartz from Brazil. This specimen has bright rich color, all sides hand ...

Top-quality Carnelian agate heart from Madagascar. This beautiful piece has rich golden-yellow to red-orange color and is hand polished to a smooth...

From Pashan Hill Quarry, Poona District, Maharashtra, India Lustrous transparent bi-colored apophyllite crystals long with translucent pink stilbit...

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

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

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

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

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