Specimens

Minas Gerais, Brazil

Itrongay, Betroka, Anosy Region, Madagascar

Sanidine

Swimming Pool Pocket, Jackson's Crossroads, Wilkes Co., Georgia, USA

Quartz

Kerr McGee Mine, Eddy Co., New Mexico, USA

Halite, Sylvite

Reed Station, Tiburon, Marin Co., California, USA

Lawsonite

Tsumeb, Namibia

Cerussite, Azurite

Unknown

Andradite

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

Fluorite, Calcite

Henderson #2 Mine, Chibougamau, Quebec, Canada

Cubanite

Banten, Java, Indonesia

Opal

Huanggang Mine, Inner Mongolia, China

Ilvaite

Osa Quarry, Rome, Italy

Banten, Java, Indonesia

Opal

Arizona, USA

Arizona, USA

Silver, Turquoise

Kaokaveld, Namibia

Shattuckite, Quartz

Merelani Hills, Arusha, Tanzania

Grossular

Benitoite Gem Mine, San Benito Co., California, USA

Benitoite

Pints Quarry, Raymond, Iowa, USA

Calcite

Douglas Hill Mine, Ludwig, Yerington Mining District, Lyon Co., Nevada, USA

Chrysocolla, Quartz

Huanggang Mine, Inner Mongolia, China

Ilvaite

Peru

Pyrite, Calcite

Kilosa, Morogoro, Tanzania

Enstatite

Nani, Loliondo, Tanzania

Spessartine

Mwajanga, near Komolo, Tanzania

Dravite