2785 ARSENOPYRITE, PYRITE, Huanzala Mine, Huallanca District, Huanrco Department, Peru September 28, 2019 Steve Peru South America Source C.Kovac, 2003
North & Central Americas South Dakota United States 1055 HETEROSITE, Helen Beryl Mine, Fourmile, Custer County, South Dakota, U.S.A. September 28, 2019
Australasia Australia South Australia 3894 GYPSUM, Mt. Gunson Mines, Mount Gunson, Andamooka Ranges, South Aust., Australia September 28, 2019
New Jersey North & Central Americas United States 1992 HENDRICKSITE, CALCITE, Sterling Mine, Sterling Hill, Ogdensberg, Sussex County, New Jersey, U.S.A. September 28, 2019
