From Graves Mountain, Lincoln County, Georgia Lustrous translucent blue lazulite crystals in white matrix with several partial lazulite crystals ar...

From Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia Lustrous beautiful complex rhombic crystal cluster of pink smithsonite on matrix. Crys...

Transparent purple fluorite crystals with minor hemimorphite crystal matrix. The crystal is externally unblemished, and only one internal flaw, oth...

Transparent 3d cubic purple fluorite crystals overgrown atop a cluster of lustrous sphalerite crystals . on matrix. The fluorite has rich purple zo...

From Joplin, Missouri, USA An aesthetic formation of interconnected cubic galena crystals bright metallic luster all on gossan matrix. Undama...

From Huanzala Mine, Huallanca District, Huanuco Department, Peru   Lustrous bladed translucent white barite crystals  on thin lustrous sharp galena...

From Huanzala Mine, Huallanca District, Huanuco Department, Peru Large intersecting formation of metallic luster galena in cubo-octahedral form wit...

From Nasik District, Maharashtra, India  Heres a very aesthetic specimen of 2 chalcedony stalactites in an intersecting formation coated in a apoph...

From Joplin, Jasper County, Missouri, USA Lustrous large single 1 inch blue steel colored galena crystals on matrix enriched with quartz and ...

From Nasik District, Maharashtra, India Large acicular spray of transparent scolecite crystals on pink stilbite crystal cluster matrix in large lus...

From Aurangabad, Maharashtra, India Large 5.75 inch pale-pink pseudomorph crystal of gem transparent calcite crystals coated with sparkling quartz ...

From Nasik District, Maharashtra, India Lustrous Large transparent yellow rhombohedral calcite crystal with textured striated crystal faces. Most o...

Here is very blocky, fine quality, facet grade, light tone of Spodumene var. yellow green kunzite crystal. This spectacular medium light tone yello...

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 Lustrous transparent pale sherry-colored topaz crystals on colorless quartz cryst...

From Shigar Valley, Skardu, Baltistan, Gilgit-Baltistan, Pakistan Lustrous transparent orange-brown complete topaz crystals frozen in white surroun...

Large 2.5 inch metallic lustrous cubic Spanish Pyrite crystal on matrix. This specimen has sharp, well-defined terminations where the crystal faces...

Milpillas Mine, Cuitaca, Sonora, Mexico Large cabinet specimen of acicular vivid green crystals of brochantite lining one side of gray matrix. The ...

Superb water-clear wedge-shaped barite crystals covering one face of tan-colored matrix. The barite crystals formed over botryoidal black oxide min...

Superb specimen of translucent red-brown Chocolate heulandite in a doube terminated wheat sheave aggregates with lustrous crystal faces on chalcedo...

From Mibladen, Atlas Mountains, Khénifra Province, Morocco  Here is an exceptional world class specimen of a cluster of hexagonal crystals of dark ...

From Mibladen, Atlas Mountains, Khénifra Province, Morocco  Here is an exceptional world class specimen of a cluster of hexagonal crystals of dark ...

From Mibladen, Atlas Mountains, Khénifra Province, Morocco  Here is an exceptional world class specimen of a cluster of hexagonal crystals of brigh...

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