Min. [f. SPATH1 + -(I)FORM. Cf. F. spathiforme.] Resembling spath or spar in form or appearance; lamellar.
1793. R. Kerr, Lavoisier’s Elem. Chem. (1802), I. 268. These [forms of uranite] may be divided into three genera, the ochreous, the spathiform, and the mineralized. Ibid., 269. The spathiform, or uranite spar.
