AXUNCIA VITRI, Sandwax, or Salt of Glafs, a kind of salt which separates from the glafs while it is in fusion. It is of an acrimonious and biting taste. The farriers use it for cleansing the eyes of horses. It is also made use of for cleansing the teeth; and it is sometimes applied to running ulcers, the herpes, or the itch, by way of defecative.