We are offering potash feldspar. feldspar is supplied in two varieties sodium feldspar and potassium feldspar. Potash feldspar are not usually as pure and white as sodium feldspar. A feldspar is characterized as potash when there is more sodium than potassium in the mix. Potash feldspar is commercially very popular and used in powder form in ceramic, cement, dental porcelain for various purposes. Smaller quantities are used in the manufacturing of tiles, whiteware, and sanitaryware.