split , cleft , divided; a t. t. in Pliny the Elder: lapis, that easily cleaves or cracks , fissile , schistose , a name given to a kind of red oxide of iron , Plin. 29, 6, 38, § 124; 33, 4, 25, § 84; 36, 20, 37, § 144: lac, i. e. curdled ,id. 28, 9, 33, § 126: caepa, a peculiar kind, id. 19, 6, 32, § 101: alumen, id. 31, 7, 39, § 79.