0454 SCOLESITE, Elk Mountain, Pigeon Springs, Cowlitz County, Washington, U.S.A. September 28, 2019 Steve North & Central Americas United States Washington Source R.Tschernich, 1993
Nevada North & Central Americas United States 4041 CALLAGHANITE, Gabbs Refractory Mine, Gabbs, Nye County, Nevada, U.S.A. September 28, 2019
California North & Central Americas United States 0857 COLEMANITE, U.S. Borax Open Pit, Boron, Kramer District, Kern County, California, U.S.A. September 28, 2019
Africa Namibia 3284 DUFTITE, CALCITE, Tsumeb Mine, Tsumeb, Otjikoto Region, Namibia September 28, 2019