Specimens

Jinkouhe District, Leshan, Sichuan, China

Quartz

Machacamarca, Potosi, Bolivia

Bournonite

Yaogangxian Mine, Hunan, China

Stannite, Arsenopyrite, Quartz

Blackdene Mine, Weardale, Durham, England

Galena, Fluorite

St. Anne's Mine, Miami, Karoi District, Zimbabwe

St. Anne's Mine, Miami, Karoi District, Zimbabwe

Las Vigas, Vera Cruz, Mexico

Quartz

Merelani Hills, Arusha, Tanzania

Graphite, Grossular

Elura Mine, Cobar, New South Wales, Australia

Silver

Mamuju, Sulawesi, Indonesia

Quartz

Charcas, San Luis Potosi, Mexico

Danburite

Santa Eulalia, Chihuahua, Mexico

Plattnerite, Calcite, Mimetite

Champion Mine, Mono Co., California, USA

Rutile, Quartz

Mahenge, Morogoro, Tanzania

Spinel

Mindouli District, Pool Department, Congo

Dioptase

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

Rancho Jacalito, Cuitaca, Sonora, Mexico

Shattuckite, Chrysocolla

Mt Xuebaoding, Ping Wu, Sichuan Prov., China

Scheelite, Muscovite

Imilchil, Midelt Province, Draa-Tafilalet Region, Morocco

Andradite, Orthoclase

Mt Xuebaoding, Ping Wu, Sichuan Prov., China

Rhodochrosite

Mt Xuebaoding, Ping Wu, Sichuan Prov., China

Scheelite, Muscovite

Ushkatyn No. 3 deposit, Karaganda Region, Kazakhstan

Rhodochrosite

Chuquicamata Mine, Calama, El Loa Province, Antofagasta, Chile

Mount Kouroudiako, Faleme River Basin, Senegal

Senegalite, Turquoise

Three Oak Gap, Polk Co., Arkansas, USA

Strengite, Kidwellite, Beraunite