0137 CHALCOCITE, Wheal Buller, Redruth, St. Day District, Cornwall, England, U.K. September 28, 2019 Steve Cornwall England United Kingdom Source R.Tyson, 1984
Europe Russia 6002 ZIRSINALITE, Khibiny Massif, Kola Peninsula, Murmanskaja Oblast, Northern Region, Russia September 28, 2019
Europe Germany 1776 BORACITE, GYPSUM, Luneburger Kalkberg, Luneburg, Lower Saxony, Germany September 28, 2019
Arizona North & Central Americas United States 0721 DOLOMITE, Vekol Mine, Vekol Mountains, Pinal County, Arizona, U.S.A. September 28, 2019
