Specimens

Sapucaia, Minas Gerais, Brazil

Quartz

Salzburg, Austria

Beryl

Milarite locality, Rössing Mountains, Erongo Region, Namibia

Milarite

Hi Hope Dig, near Anza, Riverside Co., California, USA

Herderite

Paprok, Afghanistan

Merelani Hills, Arusha, Tanzania

Wurtzite

Tsumeb, Namibia

Calcite, Dioptase

Hyakule, Sankhuwasabha District, Kosi Zone, Nepal

Oppu Mine, Aomori Prefecture, Honshu Island, Japan

Rhodochrosite, Quartz

Cobalt, Ontario, Canada

Silver

Cobalt, Ontario, Canada

Silver

Cobalt, Ontario, Canada

Silver

Cobalt, Ontario, Canada

Silver

Cobalt, Ontario, Canada

Silver, Safflorite

Cobalt, Ontario, Canada

Silver

Mindouli District, Pool Department, Congo

Dioptase

Cave-in-Rock, Hardin Co., Illinois, USA

Fluorite

Mindouli District, Pool Department, Congo

Dioptase

Mindouli District, Pool Department, Congo

Dioptase

Mindouli District, Pool Department, Congo

Dioptase

Mindouli District, Pool Department, Congo

Dioptase

Mindouli District, Pool Department, Congo

Dioptase

Merelani Hills, Arusha, Tanzania

Graphite, Diopside

Merelani Hills, Arusha, Tanzania

Graphite, Diopside

Landanai, Simanjiro District, Manyara Region, Tanzania

Iron