forbesite

forbesite

[′fȯrb‚zīt]
(mineralogy)
H(Ni,Co)AsO4·3½H2O A grayish-white mineral composed of hydrous nickel cobalt arsenate; occurs in fibrocrystalline form.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.