Asia China 0330 Helvite, Dolomite, Calcite, Chamosite, Huanggang (Huanggangliang) Fe-Sn deposit, Hexigten Banner (Keshiketeng Co.), Ulanhad League (Chifeng Prefecture), Inner Mongolia Autonomous Region, China September 19, 2019
Asia China 0420 Helvite, Goethite, Huanggang (Huanggangliang) Fe-Sn deposit, Hexigten Banner (Keshiketeng Co.), Ulanhad League (Chifeng Prefecture), Inner Mongolia Autonomous Region, China September 19, 2019
New Mexico North and Central Americas United States 5027 Helvite, Iron Mountain No. 2 District, Sierra Co., New Mexico, USA September 29, 2019
Brazil South America 1066 Helvite, Pyrite, Navegadora Mine (Navegador Mine; Orozimbo Mine), Penha do Norte, Conselheiro Pena, Doce valley, Minas Gerais, Brazil March 25, 2022
