vanadian, a. Min.
(vəˈneɪdɪən)
[f. vanadium + -ian.]
Of a mineral: having a (usu. small) proportion of a constituent element replaced by vanadium.
| 1930 W. T. Schaller in Amer. Mineralogist XV. 572 Vanadium—vanadian. 1951 C. Palache et al. Dana's Syst. Min. (ed. 7) II. 1084 The so-called eosite from Leadhills, Scotland, apparently is a highly vanadian wulfenite. |