An amorphous solid or super cooled liquid, mainly contains Silica SiO2.
Different coloues of glass and its constituent
•Red Glass : SiO2+CuO
•Ruby Red : SiO2+AuCl3
•Brown Glass : SiO2+Fe2O3
•Green Glass : SiO2+Cr2O3
•Blue Glass : SiO2+CoO
These are some main colours of glass and its different constituents.
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