Specimens

Copper King Mine, Red Mountain, Mendocino Co., California, USA

Mcguinnessite

Minas Gerais, Brazil

Rutile, Quartz

Uchuchacua Mine, Oyon Prov., Peru

Rhodochrosite

Daye Mine, Hubei Prov., China

Chalcocite, Chalcopyrite

Berezovsk District, Ekaterinburg, Middle Urals, Russia

Gold

Cobalt, Ontario, Canada

Silver, Safflorite

Poona, Maharashtra State, India

Kuruktag Mountains, Xinjiang Uygur Region, China

Wulfenite

Merelani Hills, Arusha, Tanzania

Zoisite

Merelani Hills, Arusha, Tanzania

Zoisite

Merelani Hills, Arusha, Tanzania

Zoisite

Merelani Hills, Arusha, Tanzania

Zoisite

N'Chwanning III Mine, Kuruman, South Africa

Jouravskite, Xonotlite

N'Chwanning III Mine, Kuruman, South Africa

Jouravskite, Xonotlite

N'Chwanning III Mine, Kuruman, South Africa

Jouravskite, Xonotlite

N'Chwanning III Mine, Kuruman, South Africa

Jouravskite, Xonotlite

Mwajanga, near Komolo, Tanzania

Epidote

Sierra Leone

Diamond

South Africa

Diamond

Angola

Diamond

Argyle Mine, Western Australia, Australia

Diamond

Congo

Diamond

Botswana

Diamond

Williamson Mine, Tanzania

Diamond

Angola

Diamond