Graphite electrode
Food grade talc powder, talcum powder
Silica sand 800 1000 micron 99 % fe less than .05%
Zinc, graphite,
Zirconium Metal Zr. Oxide Zro2
Float glass, sludge
Coal, fly ash
4a Zeolite Detergent Powder
Potassium feldspar
Potassium and sodium feldspar
Soda ash, feldspar
Quartz powders, quartz grits, resin
Silicon, quartz 90 percent
Quartz crystal like rose quartz citrine, black tourmaline
Sulphur bentonite
Sulphur bentonite
Gypsum clinker bauxite fly ash gbfs silica
Kaolin clay, quartz sand, silica sand, granite, white sand, pindan sand (red sand), amour rock
Crystals like rose quartz, citrine crystals, polished crystals
Sulphur Bentonite