tachyhydrite


Also found in: Dictionary, Wikipedia.

tachyhydrite

[‚tak·ə′hī‚drīt]
(mineralogy)
CaMg2Cl6·12H2O A honey yellow, hexagonal mineral consisting of a hydrated chloride of calcium and magnesium; occurs in massive form.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.