How does metal, like steel, naturally occur in nature?
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It would be pretty unlikely for steel to naturally occur in nature, because that’s iron mixed with carbon and with relatively high purity.
What you tend to find in nature is a metallic ore, like hematite. That’s iron bound to oxygen. You refine the ore via smelting or other methods to get pure metal.
The metal atoms themselves probably ultimately come from a star’s fusion or supernova, before the Earth was formed.
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