Long cluster of large, blocky crystals of yellow-tan barite crystals. The barites are translucent and show internal growth phantoms   Weight: 451.7...

Top quality fully terminated cluster of lustrous crystallized gem translucent citrine variety quartz crystals with a mixture of amethyst clusteres,...

From Elk Creek, Meade County, South Dakota Large, museum-quality, lustrous transparent deep golden calcite on matrix. Double terminated scalenohedr...

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

Lustrous transparent deep golden calcite crystal on small sphalerite matrix. Large double terminated scalenohedral twinned on the C-axis with well ...

From Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia Lustrous translucent beige-colored bladed cerussite crystals that are repeatedly twinn...

From Deveti Septemvri Mine, Madan District, Rhodope Mountains, Bulgariaina Rare large specimen of crystals of arsenopyrite with quartz. The arseno...

From Diamantina, Minas Gerais, Brazil Large transparent colorless quartz crystals with surfaces composed of many smaller parallel crystal faces. In...

Red Quartz Hematite crystal cluster from Izizauen Alnif, Tarhbalt, Morocco. Cylindrical stalactite of calcite crystals mixed with red hematite.  He...

Stunning freeform carved from a solid piece of gem quality jade. This piece has a captivating color with a gleaming luster and beautiful transparen...

From Berg Aukas Mine, 16 km ENE of Grootfontein, Otavi Mountain Land, Namibia Lustrous, well crystallized black-brown descloizite crystals in arrow...

From Xuebaoding Mountain near Pingwu, Sichuan Province, ChinaTranslucent orange scheelite crystals on plate of limonite-stained muscovite mica crys...

From Mt. Xueboading, Pingwu Co., Mianyang Pref., Sichuan Prov., ChinaA single crystal of bright orange octahedrals of scheelite on matrix of silver...

From Bombay Quarry, Mumbai (Bombay), Maharastra, India Hemispherical cluster of hair-thin okenite crystals in a geode lined with calcite along side...

Red Quartz Hematite crystal cluster from Izizauen Alnif, Tarhbalt, Morocco. Cylindrical stalactite of calcite crystals mixed with red hematite.  He...

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

From Mogok, Sagaing Division, Myanmar (Burma) An excellent complex crystal of red Spinel crystals with deep cherry-red to translucent strawberry-re...

Lustrous translucent red-brown sphalerite crystals in an elongated cluster perched on a thin slab of gray matrix coated with quartz microcrystals. ...

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

Red Quartz Hematite crystal cluster from Izizauen Alnif, Tarhbalt, Morocco. Cylindrical stalactite of calcite crystals mixed with red hematite.  He...

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

Red Quartz Hematite crystal cluster from Izizauen Alnif, Tarhbalt, Morocco. Cylindrical stalactite of calcite crystals mixed with red hematite.  He...

Lustrous transparent deep golden calcite crystal on sphalerite matrix. Large double terminated scalenohedral twinned on the C-axis with well define...

Pristine cluster of colorless apophyllite crystals. The crystals vary from milky white to water-clear at the terminations. this is a stalactitic fo...