Pentahydrite | Article about pentahydrite by The Free Dictionary
MgSO4·5H2O A triclinic mineral composed of hydrous magnesium sulfate; it is isostructural with chalcanthite.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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was reported with epsomite in one analysis and with alunogen in another (Hobbs, 1905; Palache et al., 1951; Eckel, 1997).