Xanthophyllite

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A synonym of clintonite. The International Mineralogical Association's Commission on New Minerals, Nomenclature and Classification (CNMNC) recommends using clintonite as a replacement in all cases. archaic, uncountable, usually

Etymology

From Ancient Greek ξανθός (xanthós, “yellow”) and φύλλον (phúllon, “leaf”), for its color and micaceous appearance, + -ite.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.