Piatek Minerals: 20 May - 27 May 2017

Elmwood Mine, Carthage, Smith County, Tennessee, United States of America

Salomon River, Lemhi County, Idaho, United States of America

Merkers, Krayenberggemeinde, Wartburg, Thuringia, Germany

Bergmännisch Glück Mine, Frohnau, Annaberg-Buchholz, Erzgebirge, Saxony, Germany

Zinggenstöcke, Oberaar Lake, Grimsel, Hasli Valley, Bern, Switzerland

Salar de Uyuni, Nor Lípez Province, Potosi Department, Bolivia

Kawah-Ijen Volcano, Java, Indonesia

Tsumeb Mine, Otavi Highlands, Namibia