0302 COLUSITE, Coluso Mine, Butte, Silver Bow County, Montana, U.S.A. September 28, 2019 Steve Montana North & Central Americas United States Source R.Coulsell, 1980
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 New South Wales 5403 STELLERITE, LAUMONTITE, Garawilla Valley, Tambar Springs, N.S.W., Australia September 28, 2019
Argentina South America 5266 CRISTOBALITE, El Criollo Mine, Tanti, Cordoba Province, Argentina September 28, 2019
