From Benitoite Gem Mine, San Benito County, California, USA Several lustrous dark red-black neptunite crystals in contrasting white natrolite on gr...

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

This unique Pyrite Concretion from Dongchuan District, Yunnan Province, China features sparkling, sharp, modified metallic crystals arranged in con...

Classic old-European specimen with a lustrous combination of well defined pyritohedral crystal cluster of Italian pyrite on hematite matrix. This u...

From Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia Classic pristine specimen of lustrous white tarnowitzite crystals ranging from small t...

From Shigar Valley, Skardu, Baltistan, Gilgit-Baltistan, Pakistan Lustrous transparent pale sherry-colored topaz crystals on colorless quartz cryst...

From Shigar Valley, Skardu, Baltistan, Gilgit-Baltistan, Pakistan Large single crystal of transparent sherry colored Topaz with sharp complex basal...

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

From Moscona Mine, Villabona District, Asturias, SpainAesthetic penetrating cubic formation of transparent to translucent golden yellow fluorite cr...