Brittle stars, or ophiuroids, are echinoderms in the class Ophiuroidea, closely related to starfish. They crawl across the sea floor using their fl...

An aesthetic specimen of a 12" gem transparent gypsum var. selenite crystal on druzy matrix. The specimen has top quality transparency with a glass...

Stunning 309.5ct custom cut oval Smoky Quartz gemstone is a one-of-a-kind. This gorgeous oval cut smoky quartz is a deep mysterious shade of brown....

14k yellow gold, elegant gemstone pendant features a gorgeous oval Pink Tourmaline enhanced by sparkling diamond accents on the bail.  This pendant...

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

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

Top quality natural formation of gem amethyst variety quartz cluster with lustrous fully terminated crystals with highly reflective faces and deep ...

This Brazilian clear quartz crystal point is of top museum quality, with a polished mirror finish on all sides. Known as the "stone of power," it a...

Top quality natural flat bladed (laminar) formation of blue ridge coral. Heliopora coerulea is a unique species of coral in the wild and great to u...

Xianghualing-Xianghuapu Mines, Hunan, China Unusual, unique one of a kind specimen of calcite on purple green fluorite. Cubic fluorite crystals in ...

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

From Pashan Hill Quarry, Poona District, Maharashtra, India Lustrous transparent bi-colored apophyllite crystals long with translucent pink stilbit...

This amazing stalactite formations are the height of beauty, with glittering druzy crystalline blossoms covering a cluster of long, finger-like pro...

 from Elmwood Mine, Carthage, Smith County, Tennessee   Transparent 3d cubic transparent purple fluorite crystals overgrown atop a cluster of metal...

From Nuestra Señora del Carmen Mines, La Celia lamproite outcrops, Jumilla, Murcia, SpainLustrous interconnected purple-gray crystals with minor ma...

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

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

From Tekhdi, Madhya Pradesh, India Lustrous transparent purple parallel Quartz Var. crystals with red hematite encrusted phantoms inside water clea...

Dachang Sn-polymetallic ore field, Nandan Co., Hechi Prefecture, Guangxi Zhuang Autonomous Region, ChinaLarge unusual rhombic crystal of translucen...

from Nuristan Province, Afghanistan Fully terminated crystals of gem quality spodumene var. Kunzite with glassy striated faces and transparent core...

From Bou Beker Mine, 21 km SSE of Oujda, Errachidia Province, Morocco An aesthetic specimen of flat disc shaped concretions of bright royal blue az...

From Flambeau Mine, Rusk County, Wisconsin, USA Iridescent crystals of metallic chalcopyrite on quartz crystals. Bright and lively color of blues ,...

This huge, Museum-quality Mesosaurus tooth is genuine, completely intact with no repairs and in pristine condition. This incredible specimen includ...

From Bombay Quarry, Mumbai (Bombay), Maharastra, India   Large hemispherical formation of thin needle like colorless mesolite crystals lined with g...