5252 Corundum, Mogok, Myanmar (Burma) September 29, 2019 Steve Asia Myanmar (Burma) Ruby Rough & Cut. Fluoresces red.
Montana North and Central Americas United States 10020 Corundum, Bozeman Corundum Mine, Gallatin Gateway, Montana November 16, 2018
North and Central Americas North Carolina United States ncat VHD15, Corundum, Old Pressley Mine, Haywood Co., North Carolina, USA November 17, 2019
