natrochalcite

natrochalcite

[¦nā·trō′kal‚sīt]
(mineralogy)
NaCu2(SO4)(OH)·H2O An emerald-green mineral composed of hydrous basic sulfate of sodium and copper.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.