0871 ULEXITE, U.S. Borax Open Pit, Boron, Kramer District, Kern County, California, U.S.A.

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

Source G.Leske, 1979

1113 SYMPLESITE, Ojuela Mine, Mapimi, Mun. de Mapimi, Durango, Mexico

Mexico North & Central Americas

1113 SYMPLESITE, Ojuela Mine, Mapimi, Mun. de Mapimi, Durango, Mexico

September 28, 2019

3372 ARSENOPYRITE, Morro Velho Mine, Nova Lima, Iron Quadrangle, Minas Gerais, Brazil

Brazil South America

3372 ARSENOPYRITE, Morro Velho Mine, Nova Lima, Iron Quadrangle, Minas Gerais, Brazil

September 28, 2019

5597 CUPROROMEITE, El Coriellu Mine, Llerandi, Arriondas, Asturias, Spain

5597 CUPROROMEITE, El Coriellu Mine, Llerandi, Arriondas, Asturias, Spain

September 28, 2019

3164 MANGANOSITE, PYROCHROITE, Nordmark, Filipstad, Varmland, Sweden

3164 MANGANOSITE, PYROCHROITE, Nordmark, Filipstad, Varmland, Sweden

September 28, 2019