March 23 2015 - Alphabetically: A-Z

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

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

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

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

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

From Milpillas Mine, Cuitaca, Sonora, MexicoLarge cluster of bright vivid royal blue Azurite crystals with small areas coated by fibrous malachite....

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

From Aurangabad, Maharashtra, India Large pale snow white pseudomorph crystal of gem transparent calcite crystals coated with sparkling quartz micr...

From Yaogangxian Mine, Nanling Mountains, Hunan Province, China   Large specimen of pale-yellow scalenohedral calcite on a bed of micro calcite cry...

From Xuebaoding Mountain near Pingwu, Sichuan Province, China Highly lustrous black cassiterite twinned crystals on matrix of silvery muscovite mic...

From Mashamba West , Kolwezi, Western area, Shaba Cu belt, Shaba (Katanga), Congo (Zaire)Large complex cluster of lustrous pink translucent flatten...

From  Orford Nickel Mine, 5.6 km southwest of Saint-Denis-de-Brompton, Québec, Canada A single crystal fully terminated of yellow-green translucent...

From (Tantara Mine), Katanga (Shaba) Province, Democratic Republic of the Congo Crystallized mass of deep green dioptase with lustrous crystals lin...

Large optical, water-clear crystal of selenite with clean, lustrous surfaces. The crystal is doubly terminated, with sugary white micro crystals co...

Large optical, water-clear crystal of selenite with clean, lustrous surfaces. The crystal is doubly terminated, with sugary white micro crystals co...

Large optical, water-clear crystal of selenite with clean, lustrous surfaces. The crystal is doubly terminated, with sugary white micro crystals co...

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

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

This is a giant preserved tortoise fossil of Stylemys nebracensis. It slowly plodded over the temperate area of South Dakota about 30 million years...

This beautiful French fossil echinoderms covers its yellowish and undulating matrix with "dunes" mimicking the ancient ocean floor. The smooth dis...

A gorgeous Indonesian Crab fossil. Beautiful polish, cleaned with care. Delicate and fascinating details. This specimen will make a unique addition...

A gorgeous Indonesian Crab fossil. Beautiful polish, cleaned with care. Delicate and fascinating details. This specimen will make a unique addition...

Extremely unique ammonite fossil exposing positive and negative with its original matrix. It displays a brilliant opalescence of pink and purple....