5061 Corundum, Luc Yen, Yen Bai Province, Vietnam September 29, 2019 Steve Asia Vietnam Blue Sapphires
North and Central Americas North Carolina United States ncat VHD15, Corundum, Old Pressley Mine, Haywood Co., North Carolina, USA November 17, 2019
Europe Russia 0399 Corundum, Ruby, Lovozero Massif, Kola Peninsula, Murmanskaja Oblast’, Northern Region, Russia September 19, 2019
Australasia Australia Queensland 0934 Margarite after Corundum, May Downs, Mt Isa, Queensland September 20, 2019