hiddenite

== English == === Etymology === From Hidden +‎ -ite, named after W. E. Hidden. === Noun === hiddenite (countable and uncountable, plural hiddenites) (mineralogy) A pale green form of spodumene that is sometimes used as a gemstone. Synonym: lithia emerald === Further reading === David Barthelmy (1997–2026), “Hiddenite”, in Webmineral Mineralogy Database. “hiddenite”, in Mindat.org‎[1], Hudson Institute of Mineralogy, 2000–2026.