Specimens

Kunar Prov., Afghanistan

Beryl

Merelani Hills, Arusha, Tanzania

Graphite, Diopside

Milpillas Mine, Cuitaca, Sonora, Mexico

Azurite, Malachite, Volborthite

Cruziero Mine, Minas Gerais, Brazil

Tsumeb, Namibia

Adamite

Benallt Mine, Llyn Peninsula, Wales, United Kingdom

Paracelsian

Siglo XX Mine, Llallagua, Potosi, Bolivia

Wavellite, Quartz

Morogoro, Tanzania

Spinel

Landani, Tanzania

Landani, Tanzania

Itauz Mine, Dzekazgan, Kazakhstan

Copper

Mogok, Myanmar

Spinel

Mogok, Myanmar

Spinel

Mogok, Myanmar

Spinel

Mogok, Myanmar

Spinel

N'Chwanning Mine, Kuruman, South Africa

Rhodochrosite

Barra de Salinas, Minas Gerais, Brazil

Barra de Salinas, Minas Gerais, Brazil

Stewart Mine, Pala, San Diego Co., California, USA

Ratnapura, Sri Lanka

Corundum

Merelani Hills, Arusha, Tanzania

Zoisite, Diopside

Merelani Hills, Arusha, Tanzania

Graphite, Diopside

Amelia Mine, Sant Rosalia, Baja, Mexico

Gypsum, Cumengeite

Merelani Hills, Arusha, Tanzania

Graphite, Grossular, Titanite

Dhakla, Sahara, Morocco