anhydrite

(an hī′drīt′)

noun

a soft, light-colored, orthorhombic mineral, CaSO, that changes into gypsum with the absorption of water; anhydrous calcium sulfate

Origin: < Gr anydros (see anhydrous) + -ite

See anhydrite in American Heritage Dictionary 4

noun

A colorless, white, gray, blue, or lilac mineral of anhydrous calcium sulfate, CaSO₄, occurring as layers in gypsum deposits.

Origin:

Origin: anhydr(ous)

Origin: + -ite¹

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