cumbraite

cumbraite

[kyüm′brā‚īt]
(petrology)
A variety of dacite or rhyodacite containing very calcic plagioclase and pyroxene in a glassy groundmass.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
CUMBRAITES (plural of CUMBRAITE, a type of rock; Webster's Second EditionW2)
CUMBRAITES has BARIUM, CERIUM, CESIUM, ERBIUM and TERBIUM Of course, you could swap the American spelling of CESIUM for the British spelling CAESIUM, but I don't think you can include both of them--after all, they are the same element.
Full browser ?