PERTHITE
Source: 567
Perth″ite (?), n. [[So called from Perth, in canada.]] (Min.) A kind of feldspar consisting of a laminated intertexture of albite and orthoclase, usually of different colors. — Per‐thit″ic (#), a.
Source: 567
Perth″ite (?), n. [[So called from Perth, in canada.]] (Min.) A kind of feldspar consisting of a laminated intertexture of albite and orthoclase, usually of different colors. — Per‐thit″ic (#), a.