tennantite

== English == === Etymology === Originally named "gray sulphuret of copper in dodecahedral crystals" in 1817 by mineralogist James Sowerby. Renamed in 1819 by William Phillips in honour of Smithson Tennant (1761-1815), an English chemist who discovered the elements iridium and osmium. Tennant + -ite === Noun === tennantite (plural tennantites) (mineralogy) A sulfide mineral of iron, copper and arsenic that is an ore of copper ==== Translations ==== === Further reading === David Barthelmy (1997–2026), “Tennantite”, in Webmineral Mineralogy Database. “tennantite”, in Mindat.org, Keswick, Va.: Hudson Institute of Mineralogy, 2000–2026.