Min. [f. L. axi-s + Gr. λίθος stone: see -LITE.] (See quot.) Axiolitic a., of or pertaining to axiolites.
1879. Rutley, Stud. Rocks, xi. 184. Termed axiolites by Zirkel elongated lenticular and curved zones of brownish glass forming the envelope of a smaller corresponding mass of paler vitreous matter, in which incipient crystallisation or fibrous structure trends at right angles to the inner surfaces of the envelope towards a longitudinal median line. Ibid. The axiolitic structure visible in a rhyolite.