0735 LIEBIGITE, Schwartzwalder Mine, Ralston Buttes District, Jefferson County, Colorado, U.S.A. September 28, 2019 Steve Colorado North & Central Americas United States Source D.Shannon, 1983
Africa Namibia 5543 HOLDAWAYITE, Kombat Mine, Kombat, Grootfontein District, Otjozondjupa Region, Namibia September 28, 2019
California North & Central Americas United States 0871 ULEXITE, U.S. Borax Open Pit, Boron, Kramer District, Kern County, California, U.S.A. September 28, 2019
Arizona North & Central Americas United States 4025 CHALCOALUMITE, Grandview Mine, Grand Canyon, Coconino County, Arizona, U.S.A. September 28, 2019
