5252 Corundum, Mogok, Myanmar (Burma) September 29, 2019 Steve Asia Myanmar (Burma) Ruby Rough & Cut. Fluoresces red.
Africa Madagascar 5056 Corundum, Zazafotsy Quarry, Ihosy District, Fianarantsoa Province, Madagascar September 29, 2019
Montana North and Central Americas United States 10020 Corundum, Bozeman Corundum Mine, Gallatin Gateway, Montana November 16, 2018
