colemanite

== English == === Etymology === From Coleman +‎ -ite, named after William Tell Coleman (1824-1893) in 1884. === Noun === colemanite (countable and uncountable, plural colemanites) (mineralogy) A white, grey or colorless mineral form of calcium borate; a principal source of boron. ==== Translations ==== === See also === Calcium borate on Wikipedia.Wikipedia Category:Colemanite on Wikimedia Commons.Wikimedia Commons === References === === Further reading === David Barthelmy (1997–2026), “Colemanite”, in Webmineral Mineralogy Database. “colemanite”, in Mindat.org, Keswick, Va.: Hudson Institute of Mineralogy, 2000–2026. === Anagrams === melaconite