Norbert Stoetzel Minerals: 10 Jul - 17 Jul 2018

Tonopah-Belmont Mine, Tonopah, Maricopa County, Arizona, United States of America

Heimbach, Baumholder, Rhineland-Palatinate, Germany

Diepenlinchen Mine, Mausbach, Stolberg, Cologne, North Rhine - Westphalia, Germany

Mannbühl Quarry, Dannenfels, Donnersbergkreis, Rhineland-Palatinate, Germany

Dreislar, North Rhine - Westphalia, Germany

Rowley Mine, Theba, Maricopa County, Arizona, United States of America

Gulsen, Kraubath an der Mur, Leoben District, Styria, Austria

Mechernicher Bleiberg, Mechernich, Eifel, North Rhine - Westphalia, Germany

Caspari Mine, Uentrop, Arnsberg, North Rhine - Westphalia, Germany

Miedzianka, Gmina Janowice Wielkie, Jelenia Góra County, Lower Silesian Voivodeship, Poland

Roger Quarries, João Pessoa, Paraiba, Brazil

Herja Mine, Chiuzbaia, Baia Mare, Maramureș County, Romania

La Presta Asphalt Mine, Trvaers, Neuchâtel, Switzerland

Okorusu Mine, Otjiwarongo, Otjozondjupa Region, Namibia

Wolf Mine, Herdorf, Altenkirchen, Rhineland-Palatinate, Germany

Wohlverwahrt Mine, Nammen, Detmold, North Rhine - Westphalia, Germany

Tsumeb Mine, Otavi Highlands, Namibia

Bisbee, Warren District, Mule Mountains, Cochise County, Arizona, United States of America