0143 BORNITE, Silverton, San Juan County, Colorado, U.S.A.

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

Source R.Coulsell, 1986

5771 MANGANOHORNESITE, Nordmark, Filipstad, Varmland, Sweden

5771 MANGANOHORNESITE, Nordmark, Filipstad, Varmland, Sweden

September 28, 2019

4183 ANDRADITE, Red Head Lease, San Benito County, California, U.S.A.

California North & Central Americas United States

4183 ANDRADITE, Red Head Lease, San Benito County, California, U.S.A.

September 28, 2019

3933 ETTRINGITE, N’Chwaning II Mine, Kuruman, Kalahari Mn Field, Northern Cape Province, South Africa

Africa South Africa

3933 ETTRINGITE, N’Chwaning II Mine, Kuruman, Kalahari Mn Field, Northern Cape Province, South Africa

September 28, 2019

1917 LEVYNE-Ca, Beech Creek Quarry, Mt. Vernon, Grant County, Oregon, U.S.A.

North & Central Americas Oregon United States

1917 LEVYNE-Ca, Beech Creek Quarry, Mt. Vernon, Grant County, Oregon, U.S.A.

September 28, 2019