Definition for AL'LO-PHANE

AL'LO-PHANE, n. [Gr. αλλος, other, and φαινω, to appear.]

A mineral of a blue, and sometimes of a green or brown color, which occurs massive, or in imitative shapes. It gelatinizes in acids. Ure. Allophane is a variety of clay, occurring in amorphous, botryoidal or reniform masses. Cleaveland.

Return to page 90 of the letter “A”.