umbite

== English == === Etymology === Named after Lake Umb, in Russia, +‎ -ite. === Noun === umbite (uncountable) (mineralogy) An inosilicate mineral of potassium, zirconium and titanium === Further reading === David Barthelmy (1997–2026), “Umbite”, in Webmineral Mineralogy Database. “umbite”, in Mindat.org, Keswick, Va.: Hudson Institute of Mineralogy, 2000–2026. === Anagrams === bitume