4683 Bavsiite, Suzukiite, Celsian, Walstromite, Alstonite, Gun claim (Gunn claim), Wilson Lake, Itsi Mt., Watson Lake Mining District, Yukon, Canada October 5, 2019 Steve Canada North and Central Americas Type Locality for bavsiite, Helmut Braith
Illinois North and Central Americas United States 6064 Benstonite, Alstonite, Minerva No. 1 Mine (Ozark-Mahoning No. 1 Mine) Ozark-Mahoning Group, Cave-in-Rock Sub-District, Illinois – Kentucky Fluorspar District, Hardin Co., Illinois, USA October 2, 2019
United Kingdom Wales 3886 Alstonite, Dolyhir Quarry, Old Radnor, Presteigne, Powys, Wales October 3, 2019
United Kingdom Wales 3885 Alstonite, Dolyhir Quarry, Old Radnor, Presteigne, Powys, Wales October 3, 2019
New York North and Central Americas United States 2473 Alstonite, American Talc Corporation Mine, Balmat, New York, USA September 22, 2019
