3720 ARAGONITE, Tsumeb Mine, Tsumeb, Otjikoto Region, Namibia September 28, 2019 Steve Africa Namibia Source R.Coulsell, 1999
North & Central Americas South Dakota United States 4819 GRAFTONITE, Bull Moose Mine, Custer, Custer County, South Dakota, U.S.A. September 28, 2019
