From Wagholi Quarry, Maharashtra, India   Vibrant royal blue cavansite in a large spherical aggregate on druzy quartz quartz matrix.    369.7 grams...

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

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

From Jebel Ouichane, Sagangane, Nador Province, L'Oriental Region, Morocco.Here is a superb cluster of these incredible new blue Barites that have ...

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

This is a slice of fossilized dinosaur bone with one side polished to a mirror finish. This specimen is a fossilized dinosaur bone in which the ori...

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 Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia Lustrous transparent deep-green dioptase crystals lining a shallow cavity in brown mat...

Superb cluster of  transparent intense green ludlamite crystals on a thin plate of brown matrix with a few translucent brown siderite crystals in t...

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...

Lustrous transparent deep golden calcite crystals in a stacked cluster. Large double terminated scalenohedral twinned on the C-axis with well defin...

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

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

Rare large 4 inch spiny Drotops Armatus Trilobite from Laatchana, Morocco with spectacular preparation. The trilobite is well preserved with lots o...

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...

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...

From San Eugenio, Artigas Dept., Uruguay Large 7'' scalenohedral crystal of calcite on amethyst matrix accented by isolated cluster of colorless qu...

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