Specimens

Montgomery Co., Arkansas, USA

Wavellite

Badakshan, Afghanistan

Diopside

Spruce Claim, King Co., Washington, USA

Pyrite, Quartz

Concord, Cabarrus Co., North Carolina, USA

Quartz

Shigar, Skardu, Pakistan

Tinzenite

Shigar, Skardu, Pakistan

Tinzenite

Old Yuma Mine, Pima Co., Arizona, USA

Vanadinite

Guanajuato, Mexico

Quartz

Guanajuato, Mexico

Quartz

Zacatecas, Mexico

Arsenopyrite

Mashamba West Mine, Katanga, Congo

Cuprite, Chrysocolla

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

Calcite

Huaron, Peru

Quartz

Las Vigas, Vera Cruz, Mexico

Quartz

Manhatten Mining District, Nye Co., Nevada, USA

Realgar, Orpiment

Dolni Borg, Moravia, Czechoslavakia

Quartz

Copper Falls Mine, Keweenaw Co., Michigan, USA

Copper

Cashin Mine, Paradox, Montrose Co., Colorado, USA

Copper

Love Field, Dallas, Texas, USA

Pyrite

Mid-Continent Mine, Treece, Picher Field, Cherokee Co., Kansas, USA

Galena, Calcite

Crystal Mountain, Mt. Isa, Queensland, Australia

Quartz

Shingle Springs, El Dorado Co., California, USA

Tosudite, Quartz

Shingle Springs, El Dorado Co., California, USA

Tosudite, Quartz

Merelani Hills, Arusha, Tanzania

Zoisite

Morogoro, Tanzania