stibiocolumbite

stibiocolumbite

[¦stib·ē·ō′käl·əm‚bīt]
(mineralogy)
Sb(Nb,Ta,Cb)O4 A dark brown to light yellowish- or reddish-brown, orthorhombic mineral consisting of an oxide of antimony and tantalum-columbium.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.