From the Eocene epoch. Monte Baldo, Italy. This rare and superb crab fossil comes from the limestone layers situated near Vicenza in Italy. The thr...

Mosasaurs probably evolved from an extinct group of aquatic lizards known as aigialosaurs in the Early Cretaceous Period (73-65 million years ago...

Mosasaurs probably evolved from an extinct group of aquatic lizards known as aigialosaurs in the Early Cretaceous Period (73-65 million years ago...

This huge, Museum-quality Spinosaur foot claw is genuine, completely in tact with no repairs and in prestine condition. This incredible specimen in...

Trilobites, an early arthropod relative of spiders, horseshoe crabs, and scorpions, preserved in this level of detail only occurred as a result of ...

Trilobites, an early arthropod relative of spiders, horseshoe crabs, and scorpions, preserved in this level of detail only occurred as a result of ...

Trilobites, an early arthropod relative of spiders, horseshoe crabs, and scorpions, preserved in this level of detail only occurred as a result of ...

Museum quality, 5" tall stone containing many small ammonite fossils. The ammonites are of the species Promicroceras marstonense and are Lower Jura...

Large, natural cluster of trilobite in its original fossil matrix. The Asaphid trilobites include some of the most extreme trilobite adaptations kn...

Large, natural cluster of trilobite in its original fossil matrix. The Asaphid trilobites include some of the most extreme trilobite adaptations kn...

Museum-quality, fossilized and calcified ammonite shell with an iridescent, opalized shimmer displaying hints of vibrant red. The fossilized shells...

Fossilized ammonite halves which reveals the internal chambers lined with calcite crystals. The ammonite has been naturally replaced by calcite wi...

Beautiful hand-polished free form of AAA quality natural Afghani lapis lazuli.  This specimen has rich, electric-royal blue color enriched with sci...

Beautiful hand-polished free form of AAA quality natural Afghani lapis lazuli.  This specimen has rich, electric-royal blue color enriched with sci...

Beautiful hand-polished free form of AAA quality natural Afghani lapis lazuli.  This specimen has rich, electric-royal blue color enriched with sci...

Beautiful hand-polished free form of AAA quality natural Afghani lapis lazuli.  This specimen has rich, electric-royal blue color enriched with sci...

Large, natural cluster of trilobite in its original fossil matrix. The Asaphid trilobites include some of the most extreme trilobite adaptations kn...

Large, natural cluster of trilobite in its original fossil matrix. The Asaphid trilobites include some of the most extreme trilobite adaptations kn...

Ptychopariida is a large, heterogeneous order of trilobite containing some of the most primitive species known. The earliest species occurred in th...

AAA quality raw black tourmaline crystal from India. This Specimen deeply striated, with a high-wet luster. Under Black Tourmaline's protection, no...

From Stanley Butte, San Carlos Indian Reservation, Graham County, Arizona Well crystallized, classic cluster of greenish-brown andradite garnet cry...

From Katanga (Shaba) Province, Democratic Republic of the Congo (Zaire)Lustrous transparent green acicular malachite crystals lining cavities on Cu...

From Liufengshan Mine, Guichi, Chizhou, Anhui, China Sparkling blue azurite crystals on fibrous green malachite crystals.The azurite crystals are f...

Large cluster of lustrous cubic fluorite crystals with surfaces composed of many smaller parallel cubic faces. The fluorite crystals have medium-pu...