Definition of almagra

• n. - A fine, deep red ocher, somewhat purplish, found in Spain. It is the sil atticum of the ancients. Under the name of Indian red it is used for polishing glass and silver.
• n. - A fine, deep red ocher, somewhat purplish, found in Spain. It is the sil atticum of the ancients. Under the name of Indian red it is used for polishing glass and silver.