Roger Lang Minerals: 27 Jan - 03 Feb 2019

Mashamba West Mine, Kolwezi, Lualaba, DR Congo

Gottlob Hill, Friedrichroda, Thuringia, Germany

Corocoro, Pacajes Province, La Paz Department, Bolivia

Tsumeb Mine, Otavi Highlands, Namibia

Mark Mine, Weinbach, Limburg-Weilburg, Giessen Region, Hesse, Germany

Filón Sur, Tharsis, Huelva, Andalusia, Spain

Rio Marina, Elba, Livorno Province, Tuscany, Italy

Valeč, Doupov, Karlovy Vary Region, Czech Republic

Parker Mine, Notre-Dame-du-Laus, Laurentides, Québec, Canada

Mibladen, Midelt Province, Drâa-Tafilalet Region, Morocco

Erongo Mountains, Karibib, Erongo Region, Namibia

Richardson Feldspar Mine, Bedford Township, Frontenac County, Ontario, Canada

Dzhezkazgan Mine, Dzhezkazgan, Karaganda Oblast, Kazakhstan

Madan, Smolyan Oblast, Bulgaria

Dörnberg Mine, Ramsbeck, Bestwig, Arnsberg, North Rhine - Westphalia, Germany

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

Bozeman Corundum Mine, Gallatin Gateway, Galatin County, Montana, United States of America

Kuhlenberg Quarry, Silbach, Winterberg, Arnsberg, North Rhine - Westphalia, Germany

Viloco Mine, Loayza Province, La Paz Department, Bolivia

Tongren Mine, Bijiang District, Tongren, Guizhou Province, China (Peoples Republic)

Dalnegorsk, Primorskiy Kray, Russian Federation

Prieska Mine, Copperton, Pixley ka Seme District, Northern Cape Province, South Africa

Sferlun Mine, Malenco Valley, Lombardy, Italy

Teigarhorn, Berufjord, Djúpavogshreppur, Eastern Region, Iceland

Adams Mine, Eureka District, San Juan County, Colorado, United States of America

Wölsendorf, Upper Palatinate, Bavaria, Germany

Christiane Mine, Adorf, Diemelsee, Kassel, Hesse, Germany

Hochfilzen, Kitzbühel Alps, North Tyrol, Tyrol, Austria

Agrigento, Agrigento Province, Sicily, Italy

Dzhezkazgan Mine, Dzhezkazgan, Karaganda Oblast, Kazakhstan