0928 METAVOLTINE, Le Cetine di Cotorniano Mine, Rosia, Siena Province, Tuscany, Italy September 28, 2019 Steve Europe Italy Source D.Shannon, 1984
California North & Central Americas United States 0294 TRONA, Searles Lake, Trona, San Bernardino County, California, U.S.A. September 28, 2019
Australasia Australia South Australia 6549 DAVIDITE-(La), Radium Hill Mine, Mingary, Olary Province, South Aust., Australia September 28, 2019
Mexico North & Central Americas 4239 TOPAZ, Tepetate, Mun. de Ville de Arriaga, San Luis Potosi, Mexico September 28, 2019