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The Epic Interactive Encyclopedia 1998
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Epic Interactive Encyclopedia, The - 1998 Edition (1998)(Epic Marketing).iso
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Pyrite
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INFOTEXT
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1992-09-02
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201b
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6 lines
A common iron ore, iron sulphide FeS2; also
called fool's gold because of its yellow
metallic lustre. Pyrite has a hardness of
6-6.5 on the Mohs' scale. It is used in the
production of sulphuric acid.