From Eagle Mine, Colorado Large sparkling cluster of golden-yellow barite crystals to covers all sides, with minimal attachment point on matrix.   ...

Penetrating twinned crystals of transparent golden yellow calcite with silky luster faces and sharp terminations. The twin orientation is well defi...

Excellent matrix specimen of doubly-terminated golden calcite crystals with larger intersecting crystal with multiple terminations. This calcite cr...

From Katanga (Shaba) Province, Democratic Republic of the Congo (Zaire)Lustrous transparent green acicular malachite crystals lining cavities on Cu...

Xianghualing-Xianghuapu Mines, Hunan, China Unusual, unique one of a kind specimen of calcite on purple green fluorite. Cubic fluorite crystals in ...

From Nandan County, Hechi, Guangxi, China Large blocky crystals of yellow-brown barite crystals in an intersecting orientation. The barites are tra...

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 Minas Gerais, Brazil. Several green beryl crystals on tan colored feldspar matrix. The crystal are greenish-brown color and has the typical co...

This fascinating specimen formed when gemmy calcite crystals grew in the natural pocket formed by a buried fossil clamshell. The interior of the sh...

This fascinating specimen formed when gemmy calcite crystals grew in the natural pocket formed by a buried fossil clamshell. The interior of the sh...

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

From Machow Mine, Tarnobrzeg, Poland Diverging sprays of transparent, golden barite crystals on matrix with yellow iron. The barite crystals are el...

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

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

From Olinghouse Mine, 6030 bench, 813 pit, Washoe County, Nevada Many crystals of fine, wire crystals of native gold in spongy patches on greenish ...

From Touissit Mine, 21 km SSE of Oujda, Jerada Province, Oriental, MoroccoLarge cluster of translucent yellow bladed wulfenite crystals over tan-co...

From Kelly Mine, Magdalena District, Socorro County, New Mexico Beautiful specimen of lilac-purple botryoidal smithsonite in rounded, botryoidal sh...

From La Grasta Mine, Delia, Caltanissetta Province, Sicily, Italy Colorless translucent prismatic celestine crystals with lustrous crystal faces, o...

From Wushan Spessartine Mine, Tongbei-Yunling District, Fujian Province, China Large specimen of lustrous transparent deep red spessartine garnet c...

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

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

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

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

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