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Iron Sulfide is FeS, meaning that this compound has one iron atom and one sulfur atom. Iron Sulfide is also known as pyrite, or fools gold. The gold color is completely natural, but it is much, much, less heavy than real gold. Another way to find out whether it is real gold or not is to bang it with a hammer. If it shatters instead of bending, it is fool's gold.

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13y ago

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