Jul 20, 2011· What is the difference between silicon and silica? – Silicon is a single atom; silica is a molecule, which is an oxide of silicon. – Silica has a ...
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Citrine is a member of the quartz family and is a silicon dioxide mineral. It has a hardness of 7 and has a trigonal crystal system. Citrine can be found in any shade ...
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Ordinary sand is one of the most diverse materials on Earth. What is sand?
Feb 23, 2012· What is the difference between Silica and Quartz? • Silicon dioxide is known as silica and silica is found in quartz. • There can be other impurities ...
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