anorthoclase
A*nor"tho*clase, n. [Gr. priv. + orthoclase.] (Min.) Defn: A feldspar closely related to orthoclase, but triclinic. It is chiefly a silicate of sodium, potassium, and aluminium. Sp. gr., 2.57 -- 2.60.
A*nor"tho*clase, n. [Gr. priv. + orthoclase.] (Min.) Defn: A feldspar closely related to orthoclase, but triclinic. It is chiefly a silicate of sodium, potassium, and aluminium. Sp. gr., 2.57 -- 2.60.