ncat VHD7, Kidwellite, Beraunite, Coon Creek Mine, Polk Co., Arkansas, USA November 17, 2019 Pendleton Arkansas North and Central Americas United States TBA
Kentucky North and Central Americas United States 1078 Fluorite, Dolomite, Irvington Quarry, Breckinridge Co., Kentucky, USA March 23, 2018
Europe Russia 1810 Kovdorskite, Kovdor Zheleznyi Mine (Iron Mine), Kovdor Massif, Kola Peninsula, Murmanskaja Oblast’, Northern Region, Russia September 22, 2019
