lazurite

noun

laz·​u·​rite

-ˌrīt

plural -s

: a mineral (Na,Ca)₈(Al,Si)₁₂O₂₄(S,SO₄) occurring as the chief constituent of lapis lazuli, isomorphous with sodalite, and composed of a sodium silicate containing sulfur

Word History

Etymology

German lasurit, from Medieval Latin lazur lapis lazuli (from Arabic lāzaward) + German -it -ite

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