3943 BYSTROMITE, Fortuna Mine, El Antimono, Mun. de Coborca, Sonora, Mexico September 28, 2019 Steve Mexico North & Central Americas Source R.Coulsell, 1999
California North & Central Americas United States 4125 COLEMANITE, U.S. Borax Open Pit, Boron, Kramer District, Kern County, California, U.S.A. September 28, 2019
Brazil South America 5447 SIMPSONITE, Alto do Giz Pegmatite, Equador, Rio grarde do Norte, Brazil September 28, 2019
Nevada North & Central Americas United States 2269 CHAPMANITE, McDermitt Mine, Opalite District, Humboldt County, Nevada, U.S.A. September 28, 2019
