Specimens

Majuba Hill Mine, Pershing Co., Nevada, USA

Arthurite

Dehesa Dumortierite deposit, Alpine, Laguna Mountains, San Diego County, California, USA

Santa Rosa Mine, Minas Gerais, Brazil

Elbaite, Quartz

Arizona, USA

Copper

Clara Alicia Mine, San Bernard, Sonora, Mexico

Erythrite

Patterson, New Jersey, USA

Prehnite

Middle Fork Snoqualmie River, King Co. Washington, USA

Quartz

Merelani Hills, Arusha, tanzania

Zoisite

Merelani Hills, Arusha, tanzania

Diopside

Merelani Hills, Arusha, tanzania

Graphite, Quartz

Mahenge, Tanzania

Titanite

Mwajanga, near Komolo, Tanzania

Dravite

Umba River, Tanzania

Mogok, Myanmar

Corundum

Milas, Mugla Prov., Turkey

Diaspore

Erongo Mtns., Namibia

Beryl, Schorl

Erongo Mtns., Namibia

Beryl, Schorl

Erongo Mtns., Namibia

Beryl, Schorl

Erongo Mtns., Namibia

Beryl, Schorl

Erongo Mtns., Namibia

Beryl, Quartz

Berg Aukus Mine, Grootfontein, Namibia

Descloizite

Machacamara District, Potosi Dept., Bolivia

Bournonite

Mid Continent Mine, Treece, Kansas, USA

Sphalerite, Chalcopyrite

White Pine Mine, Ontonagon Co., Michigan, USA

Copper

Carson Hill Gold Mine, Calaveras Co., California, USA

Ankerite