1672 WILLEMITE, SMITHSONITE, Tsumeb Mine, Tsumeb, Otjikoto Region, Namibia September 28, 2019 Steve Africa Namibia Source R.Coulsell, 1983
Mexico North & Central Americas 4426 SCHORL, QUARTZ, Cananea, Mun. de Cananea, Sonora, Mexico September 28, 2019
Australasia Australia Queensland 2183 OPAL-AG, Yowah Opal Field, Poroo Shire, Queensland, Australia September 28, 2019
North & Central Americas Oregon United States 1900 STELLERITE, Ritter Hot Springs, Ritter, Grant County, Oregon, U.S.A. September 28, 2019
California North & Central Americas United States 0927 BOUSSINGAULTITE, The Geysers, Sonoma County, California, U.S.A. September 28, 2019
