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
Montana North and Central Americas United States 3493 Baddeleyite, Corundum, Biotite, Microcline, Bear Trap Deposit, Bozeman, Gallatin Co., Montana, USA October 3, 2019
