Wittig Minerals: 26 May - 02 Jun 2017

Maurino Quarry, Pizzo Alzasca, Linescio, Vallemaggia, Ticino, Switzerland

Bou Azzer Mine, Amerzgane, Ouarzazate Province, Drâa-Tafilalet Region, Morocco

Nowaja Shaft, Schottenberg, Frohnau, Annaberg-Buchholz, Erzgebirge, Saxony, Germany

Berg Aukas, Grootfontein, Otjozondjupa Region, Namibia

Himmelsfürst Mine, Brand-Erbisdorf, Mittelsachsen, Saxony, Germany

NChwaning I Mine, Kuruman, Kalahari, Northern Cape Province, South Africa

Capim Grosso, Bahia, Brazil

Altay Mine, Koktokay Pegmatite, Fuyun County, Yili Hasake Prefecture, Xingjiang Autonomous Region, China (Peoples Republic)

Minerva #1 Mine, Cave-in-Rock, Hardin County, Illinois, United States of America

Carnaúba dos Dantas, Rio Grande do Norte, Brazil

Oberzeiring, Pölstal, Murtal District, Styria, Austria

Tazalarht, Taroudant Province, Souss-Massa Region, Morocco

Davib Ost Farm 61, Karibib, Erongo Region, Namibia

Bleicherode, Nordhausen, Thuringia, Germany

Chella, Valencia, Valencian Community, Spain

Davib Ost Farm 61, Karibib, Erongo Region, Namibia

Erongo Mountains, Karibib, Erongo Region, Namibia

Diamantina, Minas Gerais, Brazil

Okorusu Mine, Otjiwarongo, Otjozondjupa Region, Namibia

Jonas Mine, Conselhiero Pena, Minas Gerais, Brazil

Sanming, Fujian Province, China (Peoples Republic)

Pöhla-Tellerhäuser Mine, Schwarzenberg, Erzgebirge, Saxony, Germany

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

Goboboseb Mountains, Brandberg, Dâures, Erongo Region, Namibia

Alto dos Quintos Mine, Parelhas, Borborema Province, Rio Grande do Norte, Brazil