0645 CALCITE, Auernig, Mallnitz, Hohe Tauern, Carinthia, Austria

September 28, 2019 Pendleton Austria Europe

Source C.Kovac, 2014

0108 CORDEROITE, CHALCEDONY, McDermitt Mine, Opalite District, Humboldt County, Nevada, U.S.A.

Nevada North & Central Americas United States

0108 CORDEROITE, CHALCEDONY, McDermitt Mine, Opalite District, Humboldt County, Nevada, U.S.A.

September 28, 2019

0059 BISCHOFITE, Merkers, Bad Salzungen, Thuringia, Germany

0059 BISCHOFITE, Merkers, Bad Salzungen, Thuringia, Germany

September 28, 2019

1679 DIOPTASE, CALCITE, Tsumeb Mine, Tsumeb, Otjikoto Region, Namibia

1679 DIOPTASE, CALCITE, Tsumeb Mine, Tsumeb, Otjikoto Region, Namibia

September 28, 2019

2590 WEEKSITE, Sleepy Cat Mining District, Utah, U.S.A.

North & Central Americas United States Utah

2590 WEEKSITE, Sleepy Cat Mining District, Utah, U.S.A.

September 28, 2019