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

From Liufengshan Mine, Guichi, Anhui Province, China Lustrous dark-blue azurite crystals lining cavities front and rear on a crystallized mass of a...

From Kelly Mine, Magdalena District, Socorro County, New Mexico Beautiful specimen of lilac-purple botryoidal smithsonite in rounded, botryoidal sh...

From Jebel Ouichane, Sagangane, Nador Province, L'Oriental Region, Morocco.Lustrous transparent blue tapered barite crystals in a group of parallel...

From Novo Horizonte, Bahia, Brazil Complex cluster of platy black-metallic hematite crystals with golden, needle-like crystals of rutile epitaxial...

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

This genuine Mosasaur Tooth pendant set in sterling silver. This is a perfect gift for someone who is loving everything prehistoric. Spinosaurus is...

From La Grasta Mine, Delia, Caltanissetta Province, Sicily, Italy Colorless translucent prismatic celestine crystals with lustrous crystal faces, o...

From Chhaqpu, Braldu Valley, Skardu District, Gilgit-Baltistan, Pakistan Many interconnected crystals of black schorl tourmaline in  matrix of sta...

From Ouro Preto, Minas Gerais, Brazil Huge single crystal of sherry-colored gem-grade topaz with complex etched surface on the flat terminatio...

From Kunar, Afghanistan Large single crystal of transparent sherry colored Topaz with sharp complex basal pinacoid terminations. Crystal is well fo...

Doubly-terminated single crystal of transparent pink kunzite, the pink gem-grade variety of spodumene, with chisel-shaped termination and striated ...

Lustrous cluster of rhombohedral formation of calcite with heavy inclusions of brick red hematite. The calcite crystal faces are fully terminated w...

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

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

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

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...

Gebel Kamil is a meteorite that struck Egypt approximately 5 millennia ago, resulting in a crater encircled by thousands of iron shrapnel with a co...

Gebel Kamil is a meteorite that struck Egypt approximately 5 millennia ago, resulting in a crater encircled by thousands of iron shrapnel with a co...

Gebel Kamil is a meteorite that struck Egypt approximately 5 millennia ago, resulting in a crater encircled by thousands of iron shrapnel with a co...

Gebel Kamil is a meteorite that struck Egypt approximately 5 millennia ago, resulting in a crater encircled by thousands of iron shrapnel with a co...

From Sierra de Los Lamentos, Chihuahua, Mexico Very sculptural large crystals of translucent orange-brown wulfenite with satin luster on the broad ...

From Cave-in-Rock District, Hardin County, Illinois Very aesthetic large transparent cubic fluorite crystals with white barite overgrown on yellow ...

From Ray Mine, Mineral Creek District, Pinal County, Arizona Bright blue micro crystal coating of chrysocolla over quartz crystal Custer matrix. T...