Specimens

Ouro Preto, Minas Gerais, Brazil

Topaz

Ouro Preto, Minas Gerais, Brazil

Topaz

Ouro Preto, Minas Gerais, Brazil

Topaz

Ouro Preto, Minas Gerais, Brazil

Topaz

Ouro Preto, Minas Gerais, Brazil

Topaz

Ouro Preto, Minas Gerais, Brazil

Topaz

Ouro Preto, Minas Gerais, Brazil

Topaz

Ouro Preto, Minas Gerais, Brazil

Topaz

Ouro Preto, Minas Gerais, Brazil

Topaz

Leonard Mine, Butte, Silver Bow Co., Montana, USA

Covellite

Akchatau Mine, Akchatau, Karaganda Region, Kazakhstan

Bertrandite

Copper Stope, Majuba Hill Mine, Pershing Co., Nevada, USA

Clinoclase

N'Chwanning Mine, Kuruman, South Africa

Celestine, Olmiite

N'Chwanning Mine, Kuruman, South Africa

Rhodochrosite, Gypsum, Shigaite

Tongbei, Fujian Prov., China

Spessartine, Quartz

Garnet Hill Mine, Calaveras Co., California, USA

Andradite, Quartz

Merelani Hills, Arusha, Tanzania

Prehnite

Merelani Hills, Arusha, Tanzania

Prehnite

Merelani Hills, Arusha, Tanzania

Prehnite

Merelani Hills, Arusha, Tanzania

Prehnite

Merelani Hills, Arusha, Tanzania

Prehnite

Rader Creek, Jefferson Co., Montana, USA

Ilmenite, Quartz

Banten, Java, Indonesia

Opal

Banten, Java, Indonesia

Opal

Banten, Java, Indonesia

Opal