From Nasik District, Maharashtra, India Large translucent twinned crystals of calcite on translucent to transparent apophyllite crystal cluster mat...

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

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

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

From Mibladen, Atlas Mountains, Khénifra Province, Morocco   Here is an exceptional world class specimen of a cluster of hexagonal crystals of brig...

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

An exquisite light grey druzy quartz stalactite cluster with details in green celadonite and white quartz. This piece is very special due to its li...

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

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

Sphalerite crystal overgrown on top of a clear quartz crystals. The fluorite surfaces are composed of smaller parallel crystal faces accented by sm...

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

This AAA quality Septarian druzy point features an exposed area lined with shimmering quartz crystals, and boasts a hand-polished, highly reflectiv...

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

From Benitoite Gem Mine, San Benito County, California, USA Several lustrous dark red-black neptunite crystals in contrasting white natrolite on gr...

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

From Joplin, Jasper County, Missouri, USA Lustrous large single 1 inch blue steel colored galena crystals on matrix enriched with quartz and ...

From Huanzala Mine, Huallanca District, Huanuco Department, Peru   Lustrous bladed translucent white barite crystals  on thin lustrous sharp galena...

This 14.4 lb AAA quality Large Septarian Druzy Geode Egg from Madagascar features an exposed area lined with dazzling druzy quartz crystals, as we...

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

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...

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