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...

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

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 formation of bi colored purple fluorite with gem yellow core. Bright vibr...

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

Translucent cubic purple fluorite crystals overgrown on top of a cluster of metallic luster sphalerite crystals. The fluorite surfaces are composed...

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...

Translucent cubic purple fluorite crystal overgrown on top of a clear quartz crystals.The fluorite surfaces are composed of smaller parallel crysta...

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

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...

Translucent cubic purple fluorite crystal overgrown on top of a clear quartz crystals.The fluorite surfaces are composed of smaller parallel crysta...

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...

Transparent cubo-octahedral purple fluorite crystals isolated across its matrix lined with micro barite crystals. The fluorite has been internal ph...

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

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...

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