This feldspar has a higher overall flux content, coupled with a lower iron content.
Formula: Na2O, AI2O3, 6SiO2
The name of Feldspar refers to group of Aluminum Silicate of potassium, sodium and calcium. The chief use of Feldspar is in the Ceramic and Glass Industries. Smaller quantities are used in the manufacturing of tiles, whiteware, and sanitaryware.