Composition
Silica sand, Quartz Powder, Soda Ash, Limestone Powder, Calcite powder, Dolomite powder, Feldspar powder, Spodumene, Sodium sulphate, Sodium Nitrate, Selenium powder, Zinc Selenite, Cobalt Oxide, Aluminium Hydrate, Coke powder, Iron Oxide, Iron Pyrite, Calamite, Potassium carbonate, Barium carbonate, Borax, Cullet
The simple process is: mix, melt, blow mold, anneal, coat if needed per customer, pack. That's the simple version there is alot of course that goes into it.