pisanite

pisanite

[pə′zä‚nīt]
(mineralogy)
(Fe,Cu)SO4·7H2O A blue mineral composed of hydrous sulfate of copper and iron; it is isomorphous with kirovite and melanterite.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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