Nevada North and Central Americas United States ncat JP1778, Wavellite, Silver Coin Mine, Valmy, Iron Point District, Humboldt Co., Nevada, USA September 23, 2019
England Somerset United Kingdom 7238 JL1392 Pyrolusite, Merehead Quarry, Somerset, England December 12, 2020
Dumfries & Galloway Scotland United Kingdom 1529 Mottramite, Leadhills, Dumfries, Scotland September 22, 2019
