Specimens

Charles Pfizer & Company Inc. Quarry, Gibsonburg, Sandusky County, Ohio, USA

Fluorite

Prospect Park Quarry, Prospect Park, Passaic Co., New Jersey, USA

Anhydrite, Prehnite

Bisbee, Cochise Co., Arizona, USA

Copper

Sunnyside Mine, Silverton, San Juan Co. Colorado, USA

Fluorite, Rhodochrosite

Keweenaw Peninsula, Michigan, USA

Copper

Tancreado, Santa Teresa, Espirito Santa, Brazil

Chrysoberyl

Grandview Mine, Grand Canyon, Coconino Co., Arizona, USA

Chalcoalumite

San Francisco Mine, Sonora, Mexico

Mimetite, Wulfenite

Getchell Mine, Humboldt Co. Nevada, USA

Realgar

Golconda Mine, Humboldt Co. Nevada, USA

Realgar

Inshitobel, Amsteg, Canton Uri, Switzerland

Quartz

Usakos, Namibia

Purpurite

Avant, Garland Co., Arkansas, USA

Variscite

Joplin Field, Jasper Co., Missouri, USA

Galena

New Cornelia Pit, Ajo, Pima Co., Arizona, USA

Papagoite

Ouro Preto, Minas Gerais, Brazil

Quartz

Huanggang Mine, Inner Mongolia, China

Ilvaite

Keweenaw Peninsula, Michigan, USA

Copper

Uchuchaccua Mine, Oyon Prov.,Peru

Rhodochrosite

Christy Mine, San Benito Co., California, USA

Magnetite, Dolomite

Glove Mine, Amado, Santa Cruz County, Arizona

Mottramite, Wulfenite

Arizona, USA

Quartz

Dog Tooth Peak, Fresno Co., California, USA

Quartz

Huanggang Mine, Inner Mongolia, China

Ilvaite

Huanggang Mine, Inner Mongolia, China

Ilvaite