howlite

== English == === Noun === howlite (uncountable) (mineralogy) A calcium borosilicate hydroxide found in evaporite deposits. === Further reading === David Barthelmy (1997–2026), “Howlite”, in Webmineral Mineralogy Database. “howlite”, in Mindat.org‎[1], Hudson Institute of Mineralogy, 2000–2026.