Quartz powder, calcium carbonate, talc powder
Quartz, Wall Clocks.
Potassium feldspar lumps, quartz lumps...
Quartz Lumps, Canxi Cacbonate, Canxi Oxit, Pebble.
Quartz powder 150 to 325 mesh and 0 3mm potash, soda both (5%)and quartz (65%) mixed granules
Quartz lumps and granules/powder
Quartz lumps ec 3, quartz lumps of grade a & b, quartz powder
Quartz and gemstones
Fused quartz sand
High purity quartz lump with sio2 99.8%+ for crucibles, borax pentahydrate, mica quartz
