Specimens

Freiberg, Saxony, Germany

Galena

Mupine Mine, Kolwezi, Katanga, Congo

Arsenopyrite, Calcite

Forest Hill, Placer Co., California, USA

Ankerite, Quartz

Coober Pedy, Australia

Opal

Tancredo, Espirito Santo, Brazil

Chrysoberyl

Berg Aukas, Grootfontein, Namibia

Descloizite

Santa Rosa Mine, Minas Gerais, Brazil

Vesper Peak, Snohomish Co., Washington, USA

Grossular

Ojuela Mine, Mapimi, Durango, Mexico

Hemimorphite

Rowley Mine, Arizona, USA

Wulfenite

San Francisco Mine, Sonora, Mexico

Mimetite, Wulfenite

Los Lamentos, Chihuahua, Mexico

Wulfenite

Tiger, Arizona, USA

Mimetite, Wulfenite

Broken Hill Mine, New South Wales, Australia

Quartz

Monument Valley, Navahoe Co., Arizona, USA

Volborthite

Obara cho, Miyagi Prf., Japan

Quartz

Ojuela Mine, Mapimi, Durango, Mexico

Hemimorphite

New Melones Spillway, Calaveras Co., California, USA

Tinzenite, Quartz, Albite

Tsumeb, Namibia

Cerussite

Merelani Hills, Arusha, Tanzania

Graphite, Prehnite

St. Gotthard, Ticino, Switzerland

Fluorite

San Manuel Mtns., Pinal Co., Arizona, USA

Malachite, Gypsum

Merelani Hills, Arusha, Tanzania

Grossular

Bisbee, Cochise Co., Arizona, USA

Copper, Cuprite

Daye Mine, Hubie Prov., China

Chalcocite, Chalcopyrite