5683 HOLLANDITE, Black Jack Mine, Cimmaron Mountains, Pima County, Arizona, U.S.A. September 28, 2019 Steve Arizona North & Central Americas United States Source M.Richards, 2005
Argentina South America 5265 INYOITE, Santa Rita Mine, Cerro Blanco, Tanti, Cordoba Province, Argentina September 28, 2019
North & Central Americas United States Utah 6115 ZELLERITE, White Canyon No.1 Mine, White Canyon, San Juan County, Utah, U.S.A. September 28, 2019
Europe Russia 5531 BELYANKINITE, Mt. Karnasurt, Lovozero Massif, Kola Peninsula, Murmanskaja Oblast, Northern Region, Russia September 28, 2019
California North & Central Americas United States 2661 PROBERTITE, Borax Pit #3, Ryan, Inyo County, California, U.S.A. September 28, 2019