Quartz.
Silica sand.
Bentonite clay.
Silica sand.
Gypsum Powder.
Ball clay.
Sodium Feldspar And Potassium Feldspar.
Graphite.
Fluorspar.
Natural Zeolite.
Sodium feldspar.
Graphite Plates And Rods.
Fluorspar.
Silica sand.
Mica.
Rock phosphate.
Silica Sand.