parahilgardite
parahilgardite
[¦par·ə′hil·gär‚dīt] (mineralogy)
Ca8(B6O11)3Cl·4H2O A triclinic mineral composed of hydrous borate and chloride of calcium; it is dimorphous with hilgardite.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.