Specimens

Star of Congo Mine, Katanga, Dem. Rep. of Congo

Malachite

Morrison, Jefferson Co., Colorado, USA

Pyrite

Charcas, San Luis Potosi, Mexico

Calcite, Danburite, Quartz

Oskaloosa, Iowa, USA

Calcite

Bou Craa, Laayoune Prov., El Hamra Region, Morocco

Quartz

Malbunka Copper Mine, Northern Territory, Australia

Azurite, Malachite

Bristol Silver Mine, Lincoln Co., Nevada, USA

Aragonite

Ambas Aguas, La Rioja, Spain

Pyrite

Plan de Gallos, Piedra Parada, Las Vigas, Veracruz, Mexico

Andradite

Roswell, Chaves Co., New Mexico, USA

Pyrite

Naica, Chuhuahua, Mexico

Anhydrite

Pribram, Central Bohemian Region, Czech Republic

Pyrite

McLaughlin Mine (Manhattan Mine), Knoxville, Napa Co., California, USA

Stibnite, Calcite

Monte Cristo Mine, Rush, Arkansas, USA

Smithsonite, Dolomite

Red River Floodway, Winnepeg, Manitoba, Canada

Gypsum

Naica, Chihuahua, Mexico

Pyrite

Southwest Mine, Bisbee, Cochise Co., Arizona, USA

Calcite, Aragonite

Huanzala Mine, Huanaco Dept., Peru

Sphalerite, Pyrite

San Antonio Mine, Santa Eulalia, Chihuahua, Mexico

Creedite

Mwajanga, near Komolo, Tanzania

Dravite

Deming, Luna Co., New Mexico, USA

Cryptomelane

Chatian Mine, Fenghuang, Hunan, China

Cinnabar

Ze Pinto Prospect, Conselheiro Pena, Minas Gerais, Brazil

Muscovite

Rio Marina, Elba Island, Tuscany, Italy

Pyrite, Hematite

Colton, Utah County, Utah, USA