osumilite

== English == === Etymology === From Osumi +‎ -ite, after where it was first found. === Noun === osumilite (countable and uncountable, plural osumilites) A hexagonal mineral with the chemical formula (K,Na)(Mg,Fe+2)2(Al,Fe)3(Si,Al)12O30·H2O. ==== Translations ==== === Further reading === David Barthelmy (1997–2026), “Osumilite”, in Webmineral Mineralogy Database. “osumilite”, in Mindat.org, Keswick, Va.: Hudson Institute of Mineralogy, 2000–2026.