2038 ORIENTITE, CALCITE, Manganese Mine, Copper Harbour, Keweenaw County, Michigan, U.S.A. September 28, 2019 Steve Michigan North & Central Americas United States Source W.Christianson, 1980
Europe Italy 6268 GRUMIPLUCITE, Levigliani Mine, Seravezza, Lucca Province, Tuscany, Italy September 28, 2019
California North & Central Americas United States 0051 SYLVITE, HALITE, Salton Sea, Imperial County, California, U.S.A. September 28, 2019
