Phosphate Rock
Kaolin powder
Potassium feldspar powder, feldspar
Potash feldspar, feldspar
Silica flour
Activated bleaching earth, bleaching clay, bleaching earth
Natural gypsum rock, gypsum
Potash feldspar
Metallurgical fluorspar, fluorspar
Natural gypsum rock lump, gypsum lump, gypsum rock lump
Rock phosphate
Feldspar powder
Amorphous graphite powder, graphite powder
Bentonite lumps
Zeolite
Silica sand
Silica sand
Rock phosphate
Zeolite