lazulite

(laz′yə līt′, laz̸h′-)

noun

a hard, glassy, bright blue, monoclinic mineral, (Mg,Fe)Al(PO)(OH), used sometimes as a gem; hydrous magnesium-iron aluminum phosphate

Origin: Ger lazulith, altered (infl. by ML lazulum, azure + Gr lithos, stone) < earlier lazurstein < ML lazur (see azure) + stein, stone

See lazulite in American Heritage Dictionary 4

noun

A relatively rare blue mineral, (Mg, Fe)Al₂(PO₄)₂(OH)₂, with a vitreous luster.

Origin:

Origin: Medieval Latin lazulum, lapis lazuli; see lapis lazuli

Origin: + -ite¹

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