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No. Silicon carbide is covalent.
silicon carbide
Either is acceptable. Other names include Silicon carbide, SiC, Silicon(IV) carbide, Silicon carbide (SiC), Silicon carbide, Carbogran, Carbomant, Carborex, Carborundum, Carsilon, Exolon, Lonsicar, Meccarb, Resilon, Silicone carbide, Silundum, Simax
The formula for silicon carbide is -
Silicon carbide consists of silicon and carbon, quartz consists of silicon and oxygen.