4012 CRISTOBALITE, Black Rock, Black Rock Desert, Millard County, Utah, U.S.A. September 28, 2019 Steve North & Central Americas United States Utah Source R.Coulsell, 1999
Australasia Australia Queensland 3965 QUARTZ var. Amethyst, Kuridala Mine, Mt. Selwyn, Cloncurry District, Queensland, Australia September 28, 2019
Europe Germany 2383 CALOMEL, Landsberg, Alsenz-Obermoschel, Rhineland-Palitanate, Germany September 28, 2019
Africa Democratic Republic of Congo 5565 DEMESMAEKERITE, Musonoi Mine, Kolwezi, Kolwezi District, Katanga, Democratic Republic of Congo September 28, 2019
