Specimens

Springfield Butte, Springfield, Lane Co., Oregon, USA

Copper, Natrolite

Himalaya Mine, Mesa Grande, San Diego Co., California, USA

Gem Mine, San Benito Co., California, USA

Benitoite, Neptunite

Franklin, New Jersey, USA

Rhodonite

Ariccia, Tivoli, Italy

Schneeberg, Saxony, Germany

Skutterudite

Zaragoza, Spain

Gypsum

Copper Stope, Majuba Hill Mine, Pershing Co., Nevada, USA

Arthurite

Blanchard Claim, Bingham, New Mexico, USA

Fluorite

Patterson, New Jersey, USA

Datolite

Saline Valley, Inyo Co., California, USA

Black Rock Mine, Norther Cape Prov., South Africa

Rhodochrosite

Bishop Mine, Lynch Station, Virginia, USA

Turquoise

Mounana Mine, Franceville, Gabon

Francevillite, Vanuralite

Santa Eulalia, Chihuahua, Mexico

Calcite, Mimetite

Santa Eulalia, Chihuahua, Mexico

Calcite, Mimetite

Santa Eulalia, Chihuahua, Mexico

Calcite, Mimetite

Santa Eulalia, Chihuahua, Mexico

Calcite, Mimetite

Skardu, Pakistan

Pollucite

Lake Superior, Michigan, USA

Copper

Searles Lake, California

Aguablanca, Novelty, Spain

Andradite

Aguablanca, Novelty, Spain

Andradite

Twin Creeks Mine, Nevada, USA

Orpiment

Monterey Co., California, USA