Galena from Krushev Dol Mine, Madan District, Rhodope Mountains, Bulgaria Bright metallic galena crystals with mirror-like surface luster with mino...

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

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

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

This specimen is a top quality, well preserved Spinosaurus vertebre. Spinosaurus (meaning "spine lizard") is a genus of theropod dinosaur that liv...

Spinosaurus (meaning "spine lizard") is a genus of theropod dinosaur that lived in what now is North Africa, during the upper Albian to upper Turon...

Spinosaurus (meaning "spine lizard") is a genus of theropod dinosaur that lived in what now is North Africa, during the upper Albian to upper Turon...

Spinosaurus (meaning "spine lizard") is a genus of theropod dinosaur that lived in what now is North Africa, during the upper Albian to upper Turon...

Carcharodontosaurus (Dinosaur) tooth in a glass display box From Tegana Formation, North Africa. Cretaceous Age 65 million years Carcharodontosauru...

Carcharodontosaurus (Dinosaur) tooth in a glass display box From Tegana Formation, North Africa. Cretaceous Age 65 million years Carcharodontosauru...

Genuine Spinosaurus (Dinosaur) tooth. Spinosaurus (meaning "spine lizard") is a genus of theropod dinosaur that lived in what now is North Africa, ...

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...

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...

From Shigar Valley, Skardu, Baltistan, Gilgit-Baltistan, Pakistan Lustrous transparent pale sherry-colored topaz crystals on colorless quartz cryst...

Lustrous single crystal of pyrite with yellow-metallic color. The pyrite crystal is an unusual asymmetric shape that is apparently a combination of...

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

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

Lustrous transparent deep golden calcite crystal on sphalerite matrix, double terminated scalenohedral twinned on the C-axis with well defined re-e...

Large specimen of gem transparent amethyst crystals on matrix lined with druzy quartz crystals. The amethyst crystals are fully terminated with ric...

This Red Spinel Gemstone necklace is made with top quality natural round shaped Red Spinel, measures 17 inch. The beads in size from 3mm to 5mm in ...

Gebel Kamil is a meteorite that struck Egypt approximately 5 millennia ago, resulting in a crater encircled by thousands of iron shrapnel with a co...

A beautiful polished cross-section of Ocean Jasper from Madagascar. It often includes vugs lined with white or green druzy quartz crystals. It is f...

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...