This Quartz stalactite slice from Southern Paraná Basalt Basin, Artigas, Uruguay features a beautifully banded cross section. This polished slice i...

This Quartz stalactite slice from Southern Paraná Basalt Basin, Artigas, Uruguay features a beautifully banded cross section. This polished slice i...

This amethyst stalactite slice from Southern Paraná Basalt Basin, Artigas, Uruguay features a beautifully banded cross section. The gemstone is tra...

This amethyst stalactite slice from Southern Paraná Basalt Basin, Artigas, Uruguay features a beautifully banded cross section. The gemstone is tra...

From Nuristan, Laghman Province, Afghanistan This excellent, Manganotantalite is rare find. Most of the crystal appears to be black, but the "glow"...

A beautiful classic specimen of lustrous Thunder Bay amethyst with rich inclusions  of brick red hematite. Distinctive solid even brick red color t...

This Quartz stalactite slice from Southern Paraná Basalt Basin, Artigas, Uruguay features a beautifully banded cross section. This polished slice i...

This Quartz stalactite slice from Southern Paraná Basalt Basin, Artigas, Uruguay features a beautifully banded cross section. This polished slice i...

This Quartz stalactite slice from Southern Paraná Basalt Basin, Artigas, Uruguay features a beautifully banded cross section. This polished slice i...

This Quartz stalactite slice from Southern Paraná Basalt Basin, Artigas, Uruguay features a beautifully banded cross section. This polished slice i...

This amethyst stalactite slice from Southern Paraná Basalt Basin, Artigas, Uruguay features a beautifully banded cross section. The gemstone is tra...

This amethyst stalactite slice from Southern Paraná Basalt Basin, Artigas, Uruguay features a beautifully banded cross section. The gemstone is tra...

This amethyst stalactite slice from Southern Paraná Basalt Basin, Artigas, Uruguay features a beautifully banded cross section. The gemstone is tra...

From Pamir Mountains, Badakshan, Afghanistan Beautiful gemmy purple Scapolite crystal on feldspar matrix. Scapolite crystal have excellent color an...

Large cluster of lustrous cubic fluorite crystals with surfaces composed of many smaller parallel cubic faces. The fluorite crystals have medium-pu...

From Jeffrey Mine, Asbestos, Québec, Canada Sparkling cluster of large cluster of violet-colored vesuvianite crystals crystallized all around on gr...

 from Elmwood Mine, Carthage, Smith County, Tennessee Transparent 3d cubic formation of bi colored purple fluorite with gem yellow core. Bright vib...

A nicely banded cross section of an amethyst stalactite crystal from Southern Paraná Basalt Basin, Artigas, Uruguay   Gem translucent slice with de...

 from Elmwood Mine, Carthage, Smith County, Tennessee   Transparent 3d cubic transparent purple fluorite crystals overgrown atop a cluster of metal...

From Minggang Mine, Henan Province, China Large well defined cubic formation of fluorite crystals with crystal faces composed of smaller sub-parall...

from De Ann Mine, Jiangxi, China Superb cabinet sized specimen of gem translucent purple dodecahedron fluorite cluster ecthed from Quartz matrix. D...

From Greenlaws Mine, Victoria Flatt, Weardale, County Durham, England Lustrous transparent-to-translucent purple-gray cubic fluorite crystals. The ...

From near Pantai Manakarra, Mamuju, Sulawesi, Indonesia   Double-sided cluster of translucent grape purple quartz agate in spherical formations wit...

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