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What is silica?Dr Ashleigh Hood, a geoscientist at the University of Melbourne, says silica-- a compound of silicon and oxygen-- is anywhere. "Nearly 30% of the Earth's crust is silicon. It's the second-most common aspect, coming right after oxygen." In its most regular type, silica is quartz, wh
What is silica?Dr Ashleigh Hood, a geoscientist at the University of Melbourne, states silica-- a substance of silicon and oxygen-- is almost everywhere. "Nearly 30% of the Earth's crust is silicon. It's the second-most regular element, coming right after oxygen." In its most regular type, si