3885 Alstonite, Dolyhir Quarry, Old Radnor, Presteigne, Powys, Wales October 3, 2019 Steve United Kingdom Wales Tom Cottrell 2/2005
Australasia Australia Tasmania 5733 Alstonite, Rosebery Mine (EZ Mine), Rosebery, Rosebery district, West Coast municipality, Tasmania March 28, 2021
United Kingdom Wales 3886 Alstonite, Dolyhir Quarry, Old Radnor, Presteigne, Powys, Wales October 3, 2019
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
Powys United Kingdom Wales 5452 Alstonite, Calcite, Harmotome, Dolyhir Quarry, Old Radnor, Presteigne, Powys, Wales, UK October 2, 2019
