0294 TRONA, Searles Lake, Trona, San Bernardino County, California, U.S.A. September 28, 2019 Steve California North & Central Americas United States Source B.Philips, 1997
Arizona North & Central Americas United States 1870 ZUNYITE, Big Bertha Extention Mine, Dome Rock Mts., La Paz County, Arizona, U.S.A. September 28, 2019
Europe Italy 5667 SCHAFARZIKITE, Buca Della Vena Mine, Ponte Strazzema, Lucca Province, Tuscany, Italy September 28, 2019
Brazil South America 4632 MUSCOVITE, Procedencia Itinga, Doce Valley, Minas Gerais, Brazil September 28, 2019