A very white feldspar having an unusually high proportion of sodium and potassium in relation to silica. Its lower melting point makes it useful as a body and glaze flux where a lower maturing temperature and purity are required.
A very white feldspar having an unusually high proportion of sodium and potassium in relation to silica. Its lower melting point makes it useful as a body and glaze flux where a lower maturing temperature and purity are required.