4517 GAGEITE, CARYOPILITE, Pennsylvania Mine, San Antonio Valley, Santa Clara County, California, U.S.A. September 28, 2019 Steve California North & Central Americas United States Source R.Coulsell, 1999
Europe Greece 6183 LIEBENBERGITE, Liebenbergite Slag Dump, Agios Konstantios, Lavrion District, Attiki Prefecture, Greece September 28, 2019
North & Central Americas United States Utah 4012 CRISTOBALITE, Black Rock, Black Rock Desert, Millard County, Utah, U.S.A. September 28, 2019
Mexico North & Central Americas 1305 SILVER, CALCITE, New Nevada Mine, Batopilas, Chihuahua, Mexico September 28, 2019
