ncat VHD15, Corundum, Old Pressley Mine, Haywood Co., North Carolina, USA November 17, 2019 Steve North and Central Americas North Carolina United States Unknown orange fluorescence
Africa Madagascar 5056 Corundum, Zazafotsy Quarry, Ihosy District, Fianarantsoa Province, Madagascar September 29, 2019
California North and Central Americas United States 30002 Ruby, Cascade Canyon, San Bernadino Co., California October 5, 2019
Montana North and Central Americas United States 10020 Corundum, Bozeman Corundum Mine, Gallatin Gateway, Montana November 16, 2018
