3881 Harmotome, Dolyhir Quarry, Old Radnor, Presteigne, Powys, Wales October 3, 2019 Steve United Kingdom Wales Tom Cottrell 2/2005
North and Central Americas United States West Virginia ncat JP1265, Harmotome, Pyrite, Sugar Grove, Pendleton Co., West Virginia, USA September 23, 2019
Highland Scotland United Kingdom ncat JP1946 Harmotome, Calcite, Whitesmith Mine, Strontian, Highland, Scotland, UK April 2, 2024
Australasia Australia Tasmania 5736 Alstonite, Harmotome, Rosebery Mine (EZ Mine), Rosebery, Rosebery district, West Coast municipality, Tasmania March 31, 2021
Highland Scotland United Kingdom ncat JP1206 Harmotome, Brewsterite, Clashgorm Mine, Strontian, Highland, Scotland, UK October 8, 2019
