1129 BORACITE, Boulby Mine, Loftus, North Yorkshire, England, U.K.

September 28, 2019 Pendleton England North Yorkshire United Kingdom

Source J.Lamond, 2006

3382 ARSENOPYRITE, DOLOMITE, Trepca Stan Terg Mine, Trepca, Trepca Valley, District of Kosovska Mitrovica, Kosovo

3382 ARSENOPYRITE, DOLOMITE, Trepca Stan Terg Mine, Trepca, Trepca Valley, District of Kosovska Mitrovica, Kosovo

September 28, 2019

4500 QUARTZ Var. Amethyst, Goboboseb Mountains, Brandberg District, Erongo Region, Namibia

4500 QUARTZ Var. Amethyst, Goboboseb Mountains, Brandberg District, Erongo Region, Namibia

September 28, 2019

0815 PYROAURITE, Insch, Aberdeen, Buchan Grampion, Scotland, U.K.

Buchan Grampion Scotland United Kingdom

0815 PYROAURITE, Insch, Aberdeen, Buchan Grampion, Scotland, U.K.

September 28, 2019

3410 GRATONITE, Excelsior Mine, Cerro de Pasco, Pasco Department, Peru

Peru South America

3410 GRATONITE, Excelsior Mine, Cerro de Pasco, Pasco Department, Peru

September 28, 2019