gaylussite
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Related to gaylussite: gypsum
gaylussite
[′gā·lə‚sīt] (mineralogy)
Na2Ca(CO3)2·5H2O A translucent, yellowish-white hydrous carbonate mineral, with a vitreous luster, crystallizing in the monoclinic system; found in dry lakes.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.