Quote:
Originally Posted by OzEclipse
GB
The chemical formula of Quartz is silcon dioxide SiO2. They are the same thing.
Joe
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True - but crystalline quartz and its polymorphs are composed of tetrahedra, and are more properly SiO4...
picky picky, I know!
Also to be picky, quartz is at 7 on the hardness scale, so it's not super-hard, and can be scratched by hardened steel. So don't use steel wool to clean your mirror.
cheers!
Andrew.
edit: ha ha - snap!