Specimens

Guanajuato, Mexico

Calcite, Quartz

Dara Pech, Kunar, Afghanistan

Quartz

Aris Quarries, Windhoek, Khomas Region, Namibia

Villiaumite

Alto Equador, Rio Grande do Norte, Brazil

Euclase

Alto Equador, Rio Grande do Norte, Brazil

Euclase

N'Chwanning Mine, Kuruman, South Africa

Thaumasite

N'Chwanning Mine, Kuruman, South Africa

Thaumasite

N'Chwanning Mine, Kuruman, South Africa

Thaumasite

N'Chwanning Mine, Kuruman, South Africa

Thaumasite

N'Chwanning Mine, Kuruman, South Africa

Thaumasite

Atikokan, Rainy River District, Ontario, Canada

Manganite

Shijiangshan Mine, Chifeng City, Inner Mongolia, China

Olshanskyite, Roweite, Andradite

Wagholi Quarry, Poona, India

Cavansite

Wagholi Quarry, Poona, India

Cavansite

Wagholi Quarry, Poona, India

Cavansite

Yaogangxian Mine, Hunan, China

Fluorite

Chumar Bakhoor, Nagar, Hunza Valley, Pakistan

Fluorite, Muscovite

Linopolis, Divino das Laranjeiras, Minas Gerais, Brazil

Amblygonite

Smuggler Union Mine, Telluride Mining District, Colorado, USA

Gold, Quartz

Tsumeb, Namibia

Cuprite

Lake Superior Copper District, Keweenaw Peninsula, Michigan, USA

Copper

Milpillas Mine, Cuitaca, Sonora, Mexico

Azurite, Malachite

Thuong Xuan District, Thanh Hoa Prov., Vietnam

Beryl

Jonas Mine, Conselheiro Pena, Minas Gerais, Brazil

Mass Mine, Mass City, Ontonagon Co., Michigan, USA

Silver, Epidote, Quartz