feldspathic, felspathic, a.
(fɛld-, fɛlˈspæθɪk)
[f. fel(d)spath (see prec.) + -ic.]
Of the nature of or containing feldspar.
| 1832 Lyell Princ. Geol. II. 295 The decomposition of felspathic lavas. 1845 Darwin Voy. Nat. xxi. (1873) 486 Feldspathic rocks have produced a clayey soil. 1879 J. J. Young Ceram. Art 56 Artificial porcelain may be made from..felspathic clay. |