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Is Silicon a Precious Metal? Absolutely not.
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Precious metals are rare, naturally occurring metallic chemical elements of high economic value (e.g., Gold, Silver, Platinum).
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Silicon is the second most abundant element in the Earth's crust (after oxygen). It is found everywhere in the form of silica (sand, quartz) and silicates. It is extremely common and inexpensive in its raw form.
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The name "silicon metal" is an industrial term for the commercial formin which silicon is sold (i.e., a lumpy, shiny, metallic-looking substance), not a scientific classification.