Quartz.
Fluorspar.
Rock Phosphate.
Rock phosphate.
Muscovite mica.
High purity quartz grade..
spheroidal graphite.
Fluorspar.
Rock Phosphate Powder & Raw Form..
Quartz.
Fine quality quartz.
Phosphate Rock.
Silica Quartz 98%, Soapstone.
Steatite Or Soapstone Or French Chalk Talc Lumps.
Postassium Feldspar 15%.
Rock Phosphate.
Rock phosphate powder.
Quartz lumps.Mine
Potash Feldspar, Potassium Feldspar..
Quartz.