Specimens

N'Chwanning II Mine, Kalahari manganese field, Northern Cape Province, South Africa

Olmiite

Mexico

Pyrite, Calcite

Milpillas Mine, Cuitaca, Mun. de Santa Cruz, Sonora, Mexico

Azurite

Tsumeb, Namibia

Cerussite

Merelani Hills, Simanjiro District, Manyara Region, Tanzania

Diopside

Pomba pit, Brumado Mine, Bahia, Brazil

Hematite, Dolomite, Quartz

Tri-State District, Jasper Co., Missouri, USA

Galena, Sphalerite, Calcite

Elmwood Mine, Carthage, Smith Co., Tennessee

Sphalerite

Chihuahua, Mexico

Calcite

Milpillas Mine, Cuitaca, Mun. de Santa Cruz, Sonora, Mexico

Azurite

Siglo XX Mine, Llallagua, Bustillos Province, Potosí Department, Bolivia

Vauxite

Ohngaing, Mogok Valley, Mandalay Region, Myanmar

Corundum, Painite

Kamoya South Mine, Kambove District, Katanga, Democratic Republic of the Congo

Calcite

Grootfontein District, Namibia

Descloizite

Schlaggenwald, Bohemia, Czechoslovakia

Liufengshan Mine, Chizhou Prefecture, Anhui Province, China

Azurite, Malachite

Tsumeb, Otijikoto (Oshikoto) Region, Namibia

Azurite, Malachite

Ray Mine, Gila County, Arizona

Copper

Ojuela Mine, Mapimi, Durango, Mexico

Galena, Arsenopyrite, Fluorite

Pingwu beryl mine, Pingwu Co., Mianyang Prefecture, Sichuan Province, China

Beryl, Muscovite

Nikolaevskiy Mine, Dal'negorsk, Primorskiy Kray, Far-Eastern Region, Russiaa

Pyrrhotite, Muscovite

Antetezambato Demantoid-Topazolite Mine, Ambanja District, Diana Region, Antsiranana Province, Madagascar

Andradite

Wheal Jane, Cornwall, England

Siderite, Cookeite

Hunan Province, China

Pyrite, Calcite, Scheelite, Quartz

Milpillas Mine, Cuitaca, Mun. de Santa Cruz, Sonora, Mexico

Azurite