adularia

== English == === Etymology === Named for the type locality at Adular, Switzerland. === Pronunciation === (Received Pronunciation) IPA(key): /ˌæd͡ʒʊˈlɛəɹi.ə/, /ˌædjʊˈ-/ (General American) IPA(key): /ˌæd͡ʒəˈlɛɹi.ə/, /ˌædjəˈ-/ Rhymes: -ɛəɹi.ə === Noun === adularia (countable and uncountable, plural adularias) (mineralogy) A variety of orthoclase feldspar found as colorless to white prismatic crystals in cavities in metamorphic rocks. Some specimens reflect a bluish sheen along crystal faces. This phenomenon is called adularescence, and adularia with this property is called moonstone. (See sanidine). ==== Related terms ==== adularescence adularescent ==== Translations ==== ==== See also ==== rock mineral gemstone === Further reading === David Barthelmy (1997–2026), “Adularia”, in Webmineral Mineralogy Database. “adularia”, in Mindat.org, Keswick, Va.: Hudson Institute of Mineralogy, 2000–2026. == Catalan == === Verb === adularia first/third-person singular conditional of adular == Italian == === Etymology === From Adular, a Swiss locality. === Noun === adularia f (plural adularie) (mineralogy) adularia == Portuguese == === Verb === adularia first/third-person singular conditional of adular == Spanish == === Pronunciation === IPA(key): /aduˈlaɾja/ [a.ð̞uˈla.ɾja] Rhymes: -aɾja Syllabification: a‧du‧la‧ria === Noun === adularia f (plural adularias) (mineralogy) adularia === Further reading === “adularia”, in Diccionario de la lengua española [Dictionary of the Spanish Language] (in Spanish), online version 23.8.1, Royal Spanish Academy [Spanish: Real Academia Española], 15 December 2025