Lewis & Short

†† ballux (bal-), ūcis, f. [Spanish], gold-sand, gold-dust, χρύσαμμος, Plin. 33, 4, 21, § 77; Just. 44, 1, 10 (less correctly paludibus); Mart. 12, 57, 9 (less correctly paludes); and Latinized ballūca (bal-), ae, f., Cod. Valent. 11, 6, 1 and 2; Cod. Th. 10, 19, 3 and 4; Veg. Vet. 1, 20, 2.