Specimens

near Aracuia, Minas Gerais, Brazil

Cassiterite

near Aracuia, Minas Gerais, Brazil

Cassiterite

Morro Velho Gold Mine, Minas Gerais, Brazil

Dolomite, Albite

Bolivia

Pyrite, Siderite, Ludlamite

Llallagua, Oruro District, Bolivia

Arsenopyrite, Cassiterite

N'Chwanning Mine, Kuruman, South Africa

Calcite, Ettringite

Area E open pit, Rokana Mine, Kitwe, Zambia

Libethenite

Mt. Malosa, Zomba, Malawi

Aegirine, Quartz

Merelani Hills, Tanzania

Graphite, Diopside

Tsumeb, Namibia

Dioptase

Daoping Mine, Guangxi Prov., China

Pyromorphite

Bandakstan, Afghanistan

Lazurite

Afghanistan

Schorl, Quartz

Mogila Mine, Madan District, Bulgaria

Sphalerite

Jeffrey Mine, Asbestos, Quebec, Canada

Natrolite

Mina Oujela, Mapimi, Durango, Mexico

Adamite

Mina Oujela, Mapimi, Durango, Mexico

Adamite

Huanzala, Peru

Pyrite

San Jose Mine, Oruro, Bolivia

Zinkenite

Mt. Bonnie Mine, Northern Territory, Australia

Mimetite

Kunar Prov., Afghanistan

Elbaite

Pingtouling Mine, Guangdong Prov., China

Scorodite

Mahenge, Tanzania

Titanite

Erongo Mtns., Namibia

Beryl

Merelani Hills, Arusha Region, Tanzania

Zoisite