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anhydrite |
Also found in: Dictionary/thesaurus, Wikipedia, Hutchinson | 0.02 sec. |
anhydriteRock-forming mineral, anhydrous calcium sulfate (CaSO4), which differs chemically from gypsum (to which it changes in humid conditions) by having no water of crystallization. Anhydrite occurs most often with salt deposits in association with gypsum, as in the cap rock of the Texas-Louisiana salt domes. Anhydrite is one of the major minerals in evaporite deposits; it is also present in dolomites and limestones, and in ore veins. It is used in plasters and cement as a drying agent. anhydrite [an′hī‚drīt] (mineralogy) CaSO4A mineral that represents gypsum without its water of crystallization, occurring commonly in white and grayish granular to compact masses; the hardness is 3-3.5 on Mohs scale, and specific gravity is 2.90-2.99. Also known as cube spar. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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