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| Keith holds up a fallen piece of rock, made colorful by the presence of arsenic. If any zinc were present here, the amount would be so trace, it'd be worth less than a penny on the market. |
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| Mine Fragments |
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| Keith holds up a fallen piece of rock, made colorful by the presence of arsenic. If any zinc were present here, the amount would be so trace, it'd be worth less than a penny on the market. |
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