3709 SMITHSONITE, Tsumeb Mine, Tsumeb, Otjikoto Region, Namibia September 28, 2019 Steve Africa Namibia Source R.Coulsell, 1999
Arizona North & Central Americas United States 4281 DUMORTIERITE, Colorado River, Yuma, Yuma County, Arizona, U.S.A. September 28, 2019
Europe Russia 5433 NORMANDITE, Mt. Ljavotchor, Khibiny Massif, Kola Peninsula, Murmanskaja Oblast, Northern Region, Russia September 28, 2019
Australasia Australia South Australia 0934 GYPSUM, Coober Pedy, South Aust., Australia September 28, 2019
Europe Russia 5461 SOBOLEVSKITE, Mayak Mine, Talnakh Cu-Ni Deposit, Noril’sk, Taimyr Pen., Eastern-Siberian Region, Russia September 28, 2019