Large cluster of silver-metallic arsenopyrite crystals with highly reflective luster with unusual parallel growth aggregates with small isolated ro...

From Huanggang Mine, Kèshíkèténg Qí, Chifeng, Inner Mongolia, China Large specimen of silvery metallic luster arsenopyrite crystals in a subparall...

From Huanggang Mine, Kèshíkèténg Qí, Chifeng, Inner Mongolia, China Large specimen of silvery metallic luster arsenopyrite crystals in a subparall...

Trilobites, an early arthropod relative of spiders, horseshoe crabs, and scorpions, preserved in this level of detail only occurred as a result of ...

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

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

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

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

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 Floater nodule of blue azurite crystals i...

From Bou Beker Mine, 21 km SSE of Oujda, Errachidia Province, Morocco An aesthetic specimen of flat disc shaped concretions of bright royal blue az...

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

This large specimen from Bisbee, Arizona USA contains an eye-catching blend of electric-blue Azurite crystals and green Malachite. Displays differi...

From Tsumeb Mine, Otavi-Bergland District, Oshikoto, NamibiaComplex intersection cluster of Azurite crystals with areas altered to green malachite ...

From  Liufengshan Mine, Guichi, Anhui Province, China Lustrous translucent vibrant royal blue crystals of azurite partially lining a gossan matrix ...

Beautiful Brazilian banded agate with an exposed cavity, lined with lustrous colorless quartz crystals. Both sides polished to a high yield to a gl...

From Ganzhou, Jinagxi, China Superb water-clear wedge-shaped barite crystals covering one face of tan-colored matrix. The barite crystals formed ov...

From Jebel Ouichane, Sagangane, Nador Province, L'Oriental Region, Morocco.Here is a superb cluster of these incredible new blue Barites that have ...

From Jebel Ouichane, Sagangane, Nador Province, L'Oriental Region, Morocco.Here is a superb cluster of these incredible new blue Barites that have ...

From Jebel Ouichane, Sagangane, Nador Province, L'Oriental Region, Morocco.Here is a superb cluster of these incredible new blue Barites that have ...

From Moscona Mine, Villabona District, Asturias, SpainPristine cluster of transparent pale white fluorite crystals. The crystals are cubic habit an...

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

From Elk Creek, Meade County, South Dakota. Cluster of translucent yellow-brown barite on botryoidal crystals.  Weight: 1.9 lbs, Dimensions: 4 x 2 ...

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