5426 ERIONITE-Ca, P.D. Well #1, near Ajo, Pima County, Arizona, U.S.A. September 28, 2019 Steve Arizona North & Central Americas United States Source D.Shannon, 2004
Missouri North & Central Americas United States 3259 SIEGENITE, CALCITE, Sweetwater Mine, Ellington, Reynolds County, Missouri, U.S.A. September 28, 2019
Africa Namibia 2137 QUARTZ var. Amethyst, Marble Hall, near Brandberg, Erongo Region, Namibia September 28, 2019
Arizona North & Central Americas United States 4015 DUGGANITE, Empire Mine, Tombstone, Cochise County, Arizona, U.S.A. September 28, 2019