Peter Maurer Minerals: 31 Mar - 07 Apr 2015

Wheal Unity, Gwennap, Cornwall, United Kingdom

Thunder Bay Mine, Thunder Bay, Ontario, Canada

Tsumeb Mine, Otavi Highlands, Namibia

Tujetsch, Surselva Region, Grisons, Switzerland

Kamoya South II Mine, Kamoya, Kambove, Haut-Katanga, DR Congo

Schöne Aussicht Mine, Dernbach, Neuwied, Rhineland-Palatinate, Germany

Daye Iron Mine, Tieshan, Huangshi Prefectature, Hubei Province, China (Peoples Republic)

Broken Hill (Kabwe Mine), Central Province, Zambia

Cairns Bay, Flinders, Victoria, Australia

Kabolela Mine, Kolwezi, Lualaba, DR Congo

Kongsberg Silver Mines, Kongsberg, Viken, Norway

Yowah Opal Field, Paroo Shire, Queensland, Australia

Příbram District, Central Bohemian Region, Czech Republic

Christa Mine, Großschloppen, Kirchenlamitz, Upper Franconia, Bavaria, Germany