A*nor"tho*clase (?), n. [Gr. &?; priv. + orthoclase.] (Min.)

A feldspar closely related to orthoclase, but triclinic. It is chiefly a silicate of sodium, potassium, and aluminium. Sp. gr., 2.57 -- 2.60.

 

© Webster 1913

Log in or registerto write something here or to contact authors.