2584 VOLBORTHITE, Monument No. 1 Mine, Monument Valley, Navajo County, Arizona, U.S.A. September 28, 2019 Steve Arizona North & Central Americas United States Source C.Parkinson, 1988
Arizona North & Central Americas United States 3923 LANGITE, GYPSUM, San Juan Mine, Warren District, Cochise County, Arizona, U.S.A. September 28, 2019
Africa Namibia 3109 BOLTWOODITE, CALCITE, Rossing Mine, Arandis, Swakopmund District, Erongo Region, Namibia September 28, 2019
Nevada North & Central Americas United States 2376 CLINOENSTATITE, Nightingdale District, Pershing County, Nevada, U.S.A. September 28, 2019
Arizona North & Central Americas United States 3988 QUARTZ var. Chalcedony, Galiuro Mountains, Pinal County, Arizona, U.S.A. September 28, 2019
