5394 Corundum, Mogok, Myanmar (Burma) September 29, 2019 Steve Asia Myanmar (Burma) Sapphire Rough & Cut
Australasia Australia Victoria ncat JP202 Corundum, Mt Loch, Hotham Heights, Victoria September 23, 2019
Montana North and Central Americas United States 10020 Corundum, Bozeman Corundum Mine, Gallatin Gateway, Montana November 16, 2018
