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
Australasia Australia Queensland 0934 Margarite after Corundum, May Downs, Mt Isa, Queensland September 20, 2019
