dioptase

== English == === Noun === dioptase (countable and uncountable, plural dioptases) An intense emerald-green to bluish-green copper cyclosilicate mineral. ==== Translations ==== === Further reading === David Barthelmy (1997–2026), “Dioptase”, in Webmineral Mineralogy Database. “dioptase”, in Mindat.org, Keswick, Va.: Hudson Institute of Mineralogy, 2000–2026. == French == === Noun === dioptase f (uncountable) dioptase === Anagrams === déposait