3373 GERSDORFFITE, Gruneau Mine, Betzdorf, Siegerland, Rhineland-Palatinate, Germany September 28, 2019 Steve Europe Germany Source R.Coulsell, 1999
Europe Switzerland 3978 QUARTZ var. Smoky, Piz Cavardiras, Cavardiras Valley, Russein Valley, Grischun, Switzerland September 28, 2019
Arizona North & Central Americas United States 2387 PROSOPITE, QUARTZ, Grand Reef Mine, Laurel Canyon, Graham County, Arizona, U.S.A. September 28, 2019
Arizona North & Central Americas United States 0066 TOCORNALITE, Padre Kino Mine, Silver District, Trigo Mountains, La Paz County, Arizona, U.S.A. September 28, 2019
Missouri North & Central Americas United States 1778 CALCITE, CHALCOPYRITE, Sweetwater Mine, Ellington, Reynolds County, Missouri, U.S.A. September 28, 2019