polydymite

== English == === Noun === polydymite (usually uncountable, plural polydymites) (mineralogy) An isometric supergene sulfide mineral, dark violet gray to copper-red, associated with the weathering of primary pentlandite nickel sulfide. === Further reading === David Barthelmy (1997–2026), “Polydymite”, in Webmineral Mineralogy Database. “polydymite”, in Mindat.org, Keswick, Va.: Hudson Institute of Mineralogy, 2000–2026.