magnophorite

magnophorite

[‚mag·nə′fȯr‚īt]
(mineralogy)
NaKCaMg5Si8O23OH A monoclinic mineral composed of a basic silicate of sodium, potassium, calcium, and magnesium; member of the amphibole group.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.