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

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

Genuine Muonionalusta Meteorite Slice from Norrbotten, Sweden. The Muonionalusta is a meteorite classified as fine octahedrite, type IVA (Of) which...

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...

Large radiating intersecting formation of fully crystallized emerald green apophyllite crystals with sharp pyramidal terminations and highly reflec...

Massive twinned rhombohedral calcite crystals with rich orange to yellow color all throughout. Fully terminated with lustrous crystals faces with s...

Large aesthetic scalenohedral formation of rich deep golden calcite crystals in a parallel formation on matrix embedded with metallic sphalerite cr...

From Caravia-Berbes District, Asturias, SpainHuge 4 inch single crystal of purple fluorite with rich translucent grape color and well define intern...

Superb specimen of translucent red-brown Chocolate heulandite in a doube terminated wheat sheave aggregates with lustrous crystal faces on chalcedo...

From near Pantai Manakarra, Mamuju, Sulawesi, Indonesia   Double-sided cluster of translucent grape purple quartz agate in spherical formations wit...

From Nasik District, Maharashtra, India Large geode with a transparent penetrating twinned golden calcite on druzy chalcedony matrix in stalactitic...

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

Lustrous yellow-metallic pyrite compound crystal with remnants of tan-colored matrix on the bottom. The pyrite crystal is cubo-octahedral form with...

From Elmwood Mine, Tennessee, United States. Large, museum-quality, lustrous transparent deep golden calcite with sphalerite crystal at the base of...

Huge, AAA-quality Kambaba Jasper sphere on Acrylic Display Stand.  This beautiful piece is hand polished from a solid piece of Kambaba Jasper. This...

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

This is an extremely ornamented member of the trilobites' well-known and globally distributed Lichid family. These trilobites have adapted for ext...

From Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia Lustrous translucent beige-colored bladed cerussite crystals that are repeatedly twinn...

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

From Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia Lustrous translucent beige-colored bladed cerussite crystals that are repeatedly twinn...

Expertly sourced from Brazil, this Citrine crystal cluster boasts large, lustrous golden quartz crystals, with a stunning orange/yellow color and h...

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...

This expertly polished Smoky Quartz sphere from Brazil is a museum quality and boasts high levels of transparency and reflectivity, making it a val...

This Genuine Amethyst Cluster Geode from Uruguay is a top quality natural formation of gem amethyst. The half geode cathedral decor features lustro...