3299 HESSITE, Rex Mine, Gold Hill District, Boulder County, Colorado, U.S.A. September 28, 2019 Steve Colorado North & Central Americas United States Source R.Coulsell, 1999
Brazil South America 1874 VILLIAUMITE, Bortolan Quarry, Pocos de Calda, Pocos De Calda Alkaline Complex, Minas Gerais, Brazil September 28, 2019
North & Central Americas United States Virgina 4715 MICROCLINE, Amelia, Amelia County, Virginia, U.S.A. September 28, 2019
Australasia Australia New South Wales 2476 SKUTTERUDITE, SIDERITE, Consols Mine, Broken Hill, N.S.W., Australia September 28, 2019
