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Occurrence • Manganese, Iron
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Past Producer • Wollastonite
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Producer • Manganese, Iron
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Producer • Phosphorus-Phosphates
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Plant • Chromium, Ferrochrome
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Plant • Chromium, Ferrochrome
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Plant • Copper, Lead, Zinc
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Producer • Aluminum, Coal
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Plant • Aluminum, Contained or Metal, Magnesite, Titanium
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