opaal

== Dutch == === Etymology === Probably borrowed from French opale, from Latin opalus, from Byzantine Greek ὀπάλλιος (opállios), from Sanskrit उपल (upala). === Pronunciation === IPA(key): /ɔˈpaːl/ Hyphenation: opaal Rhymes: -aːl === Noun === opaal n opal (a mineral consisting, like quartz, of silica, but inferior to quartz in hardness and specific gravity) === Noun === opaal m (plural opalen, diminutive opaaltje n) opal, a stone made of the above mineral ==== Derived terms ==== == Estonian == === Noun === opaal (genitive [please provide], partitive [please provide]) (mineralogy) opal ==== Declension ==== This noun needs an inflection-table template.