From Machow Mine, Tarnobrzeg, Poland Diverging sprays of transparent, golden barite crystals on matrix with yellow iron. The barite crystals are el...

From Sterling Mine, Stoneham, Weld County, Colorado Cluster of intersecting transparent many prismatic blue barite crystals in sphalerite matrix. ...

This natural 2.7 lb Brazilian Lemurian Quartz is a large single specimen, featuring transparency and an intact termination. No damage is present, a...

Large, museum-quality, lustrous transparent deep golden calcite with small sphalerite crystal at the base of the crystal. Double terminated scaleno...

From Olinghouse Mine, 6030 bench, 813 pit, Washoe County, Nevada Many crystals of fine, wire crystals of native gold in spongy patches on greenish ...

From Touissit Mine, 21 km SSE of Oujda, Jerada Province, Oriental, MoroccoLarge cluster of translucent yellow bladed wulfenite crystals over tan-co...

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

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

From Paprok, Kamdesh District, Nuristan Province, Afghanistan Spectacular lustrous large pink elbaite tourmaline with thin green termination zone ...

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

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

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

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...

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

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

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

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

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

Large, natural cluster of trilobite in its original fossil matrix. The Asaphid trilobites include some of the most extreme trilobite adaptations kn...