4270 BOLTWOODITE, CALCITE, Rossing Mine, Arandis, Swakopmund District, Erongo Region, Namibia September 28, 2019 Steve Africa Namibia Source C.Kovac, 2006
Australasia Australia South Australia 4023 GYPSUM, Lake Gilles, Corunna Station, South Aust., Australia September 28, 2019
North & Central Americas Oregon United States 1346 OSUMILITE, TRIDYMITE, Obsidian Cliffs, North Sister Mtn., McKenzie Pass, Lane County, Oregon, U.S.A. September 28, 2019
Nevada North & Central Americas United States 2236 GOUDEYITE, Mylar Mine, Majuba Hill, Pershing County, Nevada, U.S.A. September 28, 2019
Europe Greece 5751 GEORGIADESITE, Thorikon, Lavrion District, Attiki Prefecture, Greece September 28, 2019
