Specimens

Unknown

Corundum

Unknown

Corundum

Mina Oujela, Mapimi, Durango, Mexico

Plattnerite, Wulfenite, Hemimorphite

Madoc, Ontario, Canada

Fluorite

Millington Quarry, Basking Ridge, New Jersey, USA

United Verde Mine, Jerome, Verde Mining District, Black Hills, Yavapai Co., Arizona, USA

Azurite

Nasik, Maharashtra State, India

Fluorite, Quartz

New Mexico, USA

Arsenopyrite, Quartz

Emma Mine, Butte, Silver Bow Co., Montana, USA

South Mountain, Owyhee Co., Idaho, USA

Ilvaite

Rush Creek Mining District, Marion Co., Arkansas, USA

Smithsonite, Dolomite

Bill Nix's Mohave Blue claim, California, USA

Ankerite

Bulganak mud volcano field, Bondarenkovo Village area, Kerch Peninsula, Crimea, Russia

Calcite, Gaylussite

Paterson, New Jersey, USA

Anhydrite, Quartz

Baviacora Mine, Sonora, Mexico

Turquoise

Tsumeb, Namibia

Calcite, Dioptase

Uchuchacua Mine, Oyon Prov., Peru

Rhodochrosite

Tri-State Mining District, Galena, Cherokee Co., Kansas, USA

Chalcopyrite, Dolomite

Santa Eulalia, Chihuahua, Mexico

Pyrrhotite

Santa Eulalia, Chihuahua, Mexico

Pyrrhotite

Florissant, Teller Co., Colorado, USA

Green Monster Mine, Prince of Wales Island, Alsaka, USA

Tosudite, Quartz

Muttrell's Lode, Wheal Gorland, St. Day, Gwennap, Cornwall, England

Liroconite

Mina Oujela, Mapimi, Durango, Mexico

Legrandite

Heard Island, South Indian Ocean

Augite