2181 OPAL-AG, Coober Pedy Opal Field, Coober Pedy, South Aust., Australia

September 28, 2019 Pendleton Australasia Australia South Australia

Source C.Kovac, 2010

4120 INDERITE, U.S. Borax Open Pit, Boron, Kramer District, Kern County, California, U.S.A.

California North & Central Americas United States

4120 INDERITE, U.S. Borax Open Pit, Boron, Kramer District, Kern County, California, U.S.A.

September 28, 2019

3985 QUARTZ var. Chalcedony, N’Chwaning I Mine, Kuruman, Kalahari Mn Field, Northern Cape Province, South Africa

Africa South Africa

3985 QUARTZ var. Chalcedony, N’Chwaning I Mine, Kuruman, Kalahari Mn Field, Northern Cape Province, South Africa

September 28, 2019

4266 FLUORELLESTADITE, Crestmore Quarry, Crestmore, Riverside County, California, U.S.A.

California North & Central Americas United States

4266 FLUORELLESTADITE, Crestmore Quarry, Crestmore, Riverside County, California, U.S.A.

September 28, 2019

6250 TETRAWICKMANNITE, Foote Lithium Co. Mine, Kings Mountain District, North Carolina, U.S.A.

North & Central Americas North Carolina United States

6250 TETRAWICKMANNITE, Foote Lithium Co. Mine, Kings Mountain District, North Carolina, U.S.A.

September 28, 2019