ˈsmaltiteMin. [f. smalt + -ite1 2 b.] =prec. 1868Dana Min. 71 Cobaltite..and smaltite afford the greater part of the smalt of commerce.1875Encycl.Brit. II. 635/1 The ores employed in the metallurgy of arsenic are..arsenical pyrites, smaltite, and cobaltite.