Systematicxx: 07 Nov - 14 Nov 2017

Skaggs Springs Mine, Skaggs Springs, Sonoma County, California, United States of America

Narechen, Rhodope Mountains, Asenovgrad Obshtina, Plovdiv Oblast, Bulgaria

Staffel, Limburg an der Lahn, Limburg-Weilburg, Giessen Region, Hesse, Germany

Gamsberg, Windhoek Rural, Khomas Region, Namibia

Hagendorf, Waidhaus, Upper Palatinate, Bavaria, Germany

Estaño Orcko Mine, Colavi, Machacamarca, Saavedra Province, Potosi Department, Bolivia

Okorusu Mine, Otjiwarongo, Otjozondjupa Region, Namibia

In den Dellen Quarries, Niedermendig, Mendig, Mayen-Koblenz, Rhineland-Palatinate, Germany

Mundo Nuevo Mine, Huamachuco, Libertad Department, Peru

Capillitas Vein, Capillitas, Andalgalá Department, Catamarca Province, Argentina

Okorusu Mine, Otjiwarongo, Otjozondjupa Region, Namibia

Clara Mine, Oberwolfach, Freiburg Region, Baden-Württemberg, Germany

Monte Somma, Vesuvius, Campania, Italy

Skisshyttan, Smedjebacken, Dalarna County, Sweden

Nuba Mountains, North Kordofan, Sudan

Collada Verda, Abella-Pardines, Girona, Catalonia, Spain

El Filo Vein, Santa Librada, Mapimí Municipality, Durango, Mexico

Dognecea, Ocna de Fier, Banat Mountains, Caraş-Severin County, Romania

Kokobin, Akim Oda, Eastern Region, Ghana