Libyan Desert Glass is a substance found in areas in the eastern Sahara, in the deserts of eastern Libya and western Egypt. Fragments of desert gla...

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

Expertly crafted from large, rare and translucent Brazilian agate slices, this heart shaped agate slice are displayed on a custom metal stand. Add ...

Expertly crafted from large, rare and translucent Brazilian agate slices, this heart shaped agate slice are displayed on a custom metal stand. Add ...

From Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia Rich cluster of many intersecting yellow mimetite crystals. Very lustrous, good color....

This unique red-orange Crocoite needle-like crystals from Red Lead Mine, Dundas, Tasmania, Australia. The lustrous and clean crystals have high vis...

This 10 lb AAA quality Septarian Druzy Geode Egg from Madagascar features an exposed area lined with dazzling druzy quartz crystals, as well as a p...

Beautiful specimen from Piedra Parada, Las Vigas de Ramirez, Veracruz, Mexico. Parallel formation of amethyst crystals with great transparency and ...

From Mibladen, Atlas Mountains, Khénifra Province, Morocco  An exceptional world-class cluster of hexagonal brick-red Vanadinite crystals with glas...

This well preserved tooth is 40 to 34 million years old from the Late Eocene Period. Basilosaurus was first thought to be a reptile but was later i...

Libyan Desert Glass is a substance found in areas in the eastern Sahara, in the deserts of eastern Libya and western Egypt. Fragments of desert gla...

AAA quality, rare find translucent perfect bullseye yellow Aragonite stalactite slice. Polished on front and rear sides. Aragonite is a naturally o...

AAA quality, rare find translucent perfect bullseye yellow Aragonite stalactite slice. Polished on front and rear sides. Aragonite is a naturally o...

AAA quality, rare find translucent perfect bullseye yellow Aragonite stalactite slice. Polished on front and rear sides. Aragonite is a naturally o...

This huge, Museum-quality Spinosaur tooth is completely in tact with no repairs. This incredible specimen includes a display box for preservation a...

A large flawless cubic metallic pyrite crystal on tan-colored Basalt matrix. The pyrite crystal has smooth crystal faces with almost mirror-like lu...

From Pachapaqui District, Bolognesi Province, Ancash Department, Peru This well defined cluster metallic luster Tetrahedrite crystals with isolated...

AAA quality, rare find translucent perfect bullseye yellow Aragonite stalactite slice. Polished on front and rear sides. Aragonite is a naturally o...

From Nasik District, Maharashtra, India Large lustrous cluster of an acicular sprays of scolectite crystals on pink stilbite. The scolecite crystal...

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

AAA quality, lustrous gem translucent yellow fluorite polished point. This specimen has bright rich honey yellow color and displays a base of ether...

AAA quality, hand-polished flame free-form of natural gem translucent rose quartz from Brazil. This specimen has bright rich color, all sides hand ...

AAA-quality gem transparent polished Brazilian Rose Quartz obelisk from Brazil. This natural specimen has a super-pink color and a highly-polished...

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