Specimens

Hardin Co., Illinois, USA

Fluorite, Calcite

Red River Floodway, Winnepeg, Manitoba, Canada

Gypsum

unknown

Mibladen, Morocco

Cerussite

Merelani Hills, Arusha, Tanzania

Graphite, Grossular, Diopside

Merelani Hills, Arusha, Tanzania

Graphite, Pyrite

Merelani Hills, Arusha, Tanzania

Graphite, Grossular, Diopside

Merelani Hills, Arusha, Tanzania

Graphite, Grossular, Diopside

Ageti,Oyo State, Nigeria

Spessartine

Ageti,Oyo State, Nigeria

Spessartine

Chester, Vermont, USA

Pyrite

San Jose Mine, Oruro, Bolivia

Rocket Pocket, Flambeau Mine, Ladysmith, Rusk County, Wisconsin

Chalcocite

Fresnillo, Fresnillo Municipality, Zacatecas, Mexico

Stephanite

Merelani Hills, Lelatema Mtns., Arusha Region, Tanzania

Prehnite

Merelani Hills, Lelatema Mtns., Arusha Region, Tanzania

Prehnite

Merelani Hills, Lelatema Mtns., Arusha Region, Tanzania

Zoisite, Prehnite

Yaogangxian Mine, Yaogangxian W-Sn ore field, Yizhang Co., Chenzhou, Hunan, China

Stannite, Quartz

Rubtsovskiy Mine, Altayskiy Kray, Siberia, Russia

Copper, Cuprite

Julcani Mine, Julcani District, Angaraes Province, Huancavelica, Peru

Pyrite, Arsenopyrite

9 Level Jersey Vein, Bunker Hill Mine, Kellogg, Idaho

Pyromorphite

Benitoite Gem Mine, San Benito County, California

Benitoite, Natrolite

Jiepaiyu Mine, Shimen deposit, Shimen Co., Changde, Hunan, China

Orpiment

Chengmenshan Mine, Jiujiang Co., Jiujiang, Jiangxi, China

Copper, Cuprite

Merelani Hills, Lelatema Mtns., Arusha Region, Tanzania

Prehnite