2111 VILLIAUMITE, Kvanefjeld Plateau, Ilimaussaq Complex, Narsaq, Kujalleq, Greenland September 28, 2019 Steve Europe Greenland Source J.Mommers, 1986
California North & Central Americas United States 4010 CRISTOBALITE, Coso Hot Springs Deposit, Coso District, Coso Mtns., Inyo County, California, U.S.A. September 28, 2019
Nevada North & Central Americas United States 6075 ALEKSITE, Keystone Canyon, Nye County, Nevada, U.S.A. September 28, 2019
