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Coal, like graphite is composed of carbon. Unlike graphite, coal is formed from decayed,once-living matter. Is it a mineral? Please explain
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Coal, like graphite is composed of carbon. Unlike graphite, coal is formed from decayed,once-living matter. Is it a mineral? Please explain

User Bldoron
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No coal is a rock made from metamorphism
User SlyDave
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No, coal is not a mineral because a mineral has to be inorganic meaning that it can not be made by a life process.
User WBAR
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