Megalodon was a prehistoric shark that may have been 50 feet long or more, two or three times as long as the Great White Shark! Just like modern sh...

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

From Maharashtra, India  Scintillating cluster of translucent crystalline micro crystals of pink apophyllite. Has gradient color from deep pink to ...

From Jalgaon, Aurangabad District, Maharastra, India Exceptional formation of vivid green apophyllite crystals on matrix with large pink stilbite c...

From Madan District, Rhodope Mountains, Bulgaria Sculptural formation of lustrous yellow-metallic pyrite crystals with Sphalerite. The pyrite cryst...

From Madan District, Rhodope Mountains, Bulgaria Sculptural formation of lustrous yellow-metallic pyrite crystals with with dark Spinel-law twinned...

This Mexican Onyx Sphere, measuring three inches in diameter, exhibits an eye-catching pattern composed of vivid natural brown, cream and white ony...

  This expertly polished Mexican Onyx Sphere features a stunning pattern of vivid green, yellow, and brown hues, with distinct banding throughout. ...

A beautifully polished Mexican onyx Sphere. It has an amazing pattern with vibrant hues of green, yellow and brown. Well defined banding all around...

A beautifully polished Mexican onyx Sphere. It has an amazing pattern with vibrant hues of pink and white. Well defined banding all around. In cry...

From Mt. Xueboading, Pingwu Co., Mianyang Pref., Sichuan Prov., ChinaA single crystal of bright orange octahedrals of scheelite on matrix of silver...

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

From Jalgaon, Maharashtra State, India   Huge pyramidal crystal of translucent brown powellite with lustrous striated faces on a matrix of pink sti...

Fire corals (Millepora alcicornis) are members of the Cnidaria phylum, and although fire coral looks like coral, it is a member of the class Hydroz...

Fire corals (Millepora alcicornis) are members of the Cnidaria phylum, and although fire coral looks like coral, it is a member of the class Hydroz...

Fire corals (Millepora alcicornis) are members of the Cnidaria phylum, and although fire coral looks like coral, it is a member of the class Hydroz...

From San Eugenio, Artigas Dept., Uruguay   Large 4'' x 2.5" scalenohedral crystal of calcite on amethyst matrix accented by isolated cluster of col...

From Mibladen, Atlas Mountains, Khénifra Province, Morocco   An exceptional cluster of hexagonal crystals of bright red Vanadinites. This specimen ...

Fire corals (Millepora alcicornis) are members of the Cnidaria phylum, and although fire coral looks like coral, it is a member of the class Hydroz...

Fire corals (Millepora alcicornis) are members of the Cnidaria phylum, and although fire coral looks like coral, it is a member of the class Hydroz...

This AAA quality brown onyx heart from Mexico has been expertly polished, exhibiting a striking pattern with intense brown hues and clearly visible...

AAA quality beautifully polished Mexican brown onyx heart. It has an amazing pattern with vibrant hues of creamy white and brown. Well defined band...

AAA quality beautifully polished Mexican green onyx heart. It has an amazing pattern of green and yellow, and the well defined banding all around. ...

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