leptynitic

== English == === Etymology === from French leptynite from Greek λεπτός (leptós) + -ic === Pronunciation === IPA(key): /ˌlɛp.təˈnɪt.ɪk/ === Adverb === leptynitic (comparative more leptynitic, superlative most leptynitic) Refers to a fine-grained, typically light-colored metamorphic rock primarily composed of quartz and feldspar, often associated with high-grade metamorphic processes.