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
Bolivia South America 4776 CASSITERITE, QUARTZ, Viloca Mines, Loayza Province, La Paz Department, Bolivia September 28, 2019