Mixed Minerals

Azurite

Morenci, Arizona

Barite

Pohla Mine, Pohla Schwarzenberg District, Saxony, Germany

Brazilianite on double terminated Albite crystal

Telirio Mine, Divina das Laranjeiras, Minas Gerais, Brazil

Calcite Var Cobaltian

Katanga (Shaba), Democratic Republic of Congo

Cerrusite

Tsumeb mine, Tsumeb, Namibia

Charoite Sphere

Murunskii Massif, Chara and Tokko Rivers Confluence, Aldan Shield, Saha Republic (Sakha Republic; Yakutia), Eastern-Siberian Region, Russia

Native Copper with Barite

White Pine Mine, SW Ore Body, White Pine, Ontonogan Co., Michigan

Native Copper

Cliff Mine, Cliff, Keweenaw County, Michigan

Corundum Var. Ruby

Sivec Mt. Prilep, Republic of Macedonia

Corundum Var. Ruby

Sivec Mt. Prilep, Republic of Macedonia

Corundum Var. Ruby

Sivec Mt. Prilep, Republic of Macedonia

Corundum Var. Ruby

Sivec Mt. Prilep, Republic of Macedonia

Corundum Var. Ruby

Sivec Mt. Prilep, Republic of Macedonia

Creedite on Rhyolite

Abasolo Mine, Navidad, Durango, Mexico

Creedite

Abasolo Mine, Navidad, Durango, Mexico

Malachite Pseudomorph after Cuprite

Chessy-les-Mines, Rhone, Rhone Alpes, France

Cuproadamite

Ojuela Mine, Mapimi, Durango, Mexico

Danburite rough and cut

Dalnegorsk, Primorskij Kraj, Russia

Diopside

Merelani Mine, Lelatema Mountains, Arusha Region, Tanzania

Diopside

Merelani Mine, Lelatema Mountains, Arusha Region, Tanzania

Tektite var. Libyan Desert Glass, paleolithic tool

Gilf Kebir Region, Egypt

Effenbergerite in Sugilite

Wessels Mine, Hotazel, Kalahari manganese fields, Northern Cape Province, Republic of South Africa

Beryl Var. Emerald

Muzo Mine, Muzo, Vasquez-Yacopí Mining District, Boyacá Department, Colombia

Beryl Var. Emerald

Muzo Mine, Muzo, Vasquez-Yacopí Mining District, Boyacá Department, Colombia

Agate Var. Fairburn

Fairburn, Custer Co., South Dakota