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sylvinite:see potassium chloridepotassium chloride,
chemical compound, KCl, a colorless or white, cubic, crystalline compound that closely resembles common salt (sodium chloride). It is soluble in water, alcohol, and alkalies.
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The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.
a sedimentary rock consisting of alternating thin layers of halite and sylvite.
The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.