Potash Feldspar.
Sodium feldspar.
Soda feldspar, potash feldspar, glaze feldspar.
Sodium feldspar and potassium feldspar.
Soda feldspar, potash feldspar.
Na2o soda feldspar.
Talc lumps and powder processed talc quartz lumps magnesite dead burnt magnesite(dbm) calcium carbonate feldspar .