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anhydrite

[ an-hahy-drahyt ]

noun

  1. a mineral, anhydrous calcium sulfate, CaSO 4 , usually occurring in whitish or slightly colored masses.


anhydrite

/ ænˈhaɪdraɪt /

noun

  1. a colourless or greyish-white mineral, found in sedimentary rocks. It is used in the manufacture of cement, fertilizers, and chemicals. Composition: anhydrous calcium sulphate. Formula: CaSO 4 . Crystal structure: orthorhombic


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Word History and Origins

Origin of anhydrite1

First recorded in 1825–35; anhydr- + -ite 1

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Word History and Origins

Origin of anhydrite1

C19: from anhydr ( ous ) + -ite 1

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Example Sentences

Anhydrite (CaSO4) also occurs in rock masses, and is often associated with rock salt.

Conversely gypsum may, under certain conditions, be dehydrated or reduced to anhydrite.

These observations appear to show that the change to anhydrite is a very gradual process at temperatures below a red heat.

This presence of salt-laden anhydrite and the occasional sulphur springs with high temperatures are extremely interesting.

Anhydrite, anhydrous sulphate of calcium, a mineral presenting several varieties of structure and colour.

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anhydrideanhydro-