1301 ARTHURITE, Copper Stope, Majuba Hill, Pershing County, Nevada, U.S.A. September 28, 2019 Steve Nevada North & Central Americas United States Source S.Bogosian, 2002
Europe Italy 5360 NAMANSILITE, Cerchiara Mine, Borghetto Vara, La Spezia Province, Liguria, Italy September 28, 2019
Australasia Australia South Australia 4585 OPAL, Andamooka Opal Fields, Andamooka Ranges, South Aust., Australia September 28, 2019
North & Central Americas Oregon United States 1123 MANSFIELDITE, Hobart Butte, Black Butte District, Lane County, Oregon, U.S.A. September 28, 2019
Europe Italy 1619 HIBSCHITE, San Vittore Mine, Balangero, Torino Province, Piedmont, Italy September 28, 2019