4340 ZUNYITE, Big Bertha Extention Mine, Dome Rock Mts., La Paz County, Arizona, U.S.A.

September 28, 2019 Pendleton Arizona North & Central Americas United States

Source R.Coulsell, 1999

4938 DUSSERTITE, Tecoma, Elko County, Nevada, U.S.A.

Nevada North & Central Americas United States

4938 DUSSERTITE, Tecoma, Elko County, Nevada, U.S.A.

September 28, 2019

5288 QUARTZ, Huanggangang Fe-Sn Deposit, Hexigten Banner, Ulanhan League, IMAR, China

5288 QUARTZ, Huanggangang Fe-Sn Deposit, Hexigten Banner, Ulanhan League, IMAR, China

September 28, 2019

5051 GORCIEXITE, Iron Monarch Mine, Iron Knob, South Aust., Australia

Australasia Australia South Australia

5051 GORCIEXITE, Iron Monarch Mine, Iron Knob, South Aust., Australia

September 28, 2019

5643 ULEXITE, U.S. Borax Open Pit, Boron, Kramer District, Kern County, California, U.S.A.

California North & Central Americas United States

5643 ULEXITE, U.S. Borax Open Pit, Boron, Kramer District, Kern County, California, U.S.A.

September 28, 2019