2473 Alstonite, American Talc Corporation Mine, Balmat, New York, USA September 22, 2019 Steve New York North and Central Americas United States
United Kingdom Wales 3885 Alstonite, Dolyhir Quarry, Old Radnor, Presteigne, Powys, Wales October 3, 2019
Powys United Kingdom Wales 5461 Ewaldite, Alstonite, Harmotome, Dolyhir Quarry, Old Radnor, Presteigne, Powys, Wales, UK October 2, 2019
Australasia Australia Tasmania 5735 Alstonite, Harmotome, Rosebery Mine (EZ Mine), Rosebery, Rosebery district, West Coast municipality, Tasmania March 29, 2021
Powys United Kingdom Wales 5452 Alstonite, Calcite, Harmotome, Dolyhir Quarry, Old Radnor, Presteigne, Powys, Wales, UK October 2, 2019
