a very rare, hard, bluish, crystalline mineral, (Na,Ca)(Al,Si)(O,S)[SO,Cl(OH)], that is the main component of lapis lazuli
Origin of lazurite; from Medieval Latin lazur ; from Arabic l?zaward, azure
A relatively rare blue, violet-blue, or greenish-blue translucent mineral, Na4−5Al3Si3O12S, the chief component of lapis lazuli.
Origin of lazuriteMedieval Latin lazur, lapis lazuli (from Arabic lazaward; see lapis lazuli) + –ite1.
(usually uncountable, plural lazurites)
- (mineralogy) A mineral of metamorphosed limestones. Lazurite forms the gemstone lapis lazuli, and crushed lazurite provided the ultramarine color in artists' paint of the old masters. Sodalite and lazurite form the sodalite group of silicate minerals. Chemical composition: Sodium aluminum silicate with sulphur, Na4-5Al3Si3O12S.