2739 POLYBASITE, Las Chispas Mine, Arizpe, Sonora, Mexico September 28, 2019 Steve Mexico North & Central Americas Source J.Wolf, 1989
Mexico North & Central Americas 2209 ANORTHITE-Var. Bytownite, Dorado Mine, Casas Grandes, Chihuahua, Mexico September 28, 2019
Europe Sweden 4033 FERGUSONITE-BETA-(Y), Ytterby, Resaro Island, Vaxholm, Uppland, Sweden September 28, 2019
Africa South Africa 1833 INESITE, Wessels Mine, Hotazel, Kalahari Manganese Fields, Northern Cape Province, South Africa September 28, 2019
Michigan North & Central Americas United States 0139 DJURLEITE, QUARTZ, Baltic Mine, Painsdale, Houghton County, Michigan, U.S.A. September 28, 2019