Specimens

Portage Lake, Keweenaw Peninsula, Houghton Co., Michigan, USA

Copper

Merelani Hills, Arusha, Tanzania

Prehnite

Broken Hill, New South Wales, Australia

Pyrite

Lake Jaco, Chihuahua, Mexico

Andradite

Rock Creek, Stevenson, Washington, USA

Heulandite-Ca

Las Vigas, Vera Cruz, Mexico

Quartz

Yellow Cat Mine, San Benito Co., California, USA

Andradite, Clinochlore

Les Farges Mine, Ussel, France

Pyromorphite

Mina Oujela, Mapimi, Durango, Mexico

Legrandite

Elk Creek, Meade Co., South Dakota, USA

Calcite

Mashamba West Mine, Katanga, Congo (DRC)

Arsenopyrite, Calcite

Tsumeb, Namibia

Wulfenite

Tormiq, Skardu, Pakistan

Clinozoisite

Leiping Mine, Leiping, Guiyang Co., Chenzhou, Hunan, China

Calcite

Tsumeb, Namibia

Dioptase

Merelani Hills, Arusha, Tanzania

Grossular

Dulong ore field, Maguan County, Wenshan, Yunnan, China

Veszelyite, Hemimorphite

Mina Navidad, Rodeo, Durango, Mexico

Fluorite, Creedite

Las Vigas, Vera Cruz, Mexico

Quartz

Ouro Preto, Minas Gerais, Brazil

Topaz

Telirio Mine, Linópolis, Divino das Laranjeiras, Minas Gerais, Brazil

Brazilianite

Merelani Hills, Arusha, Tanzania

Zoisite

Mina Veronica, El Copetillo, Villa García Municipality, Zacatecas, Mexico

Topaz, Opal

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

Clinoclase

Bou Skour mine, Draa Tafilalt Region, Morocco

Brochantite