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The Epic Interactive Encyclopedia 1996
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Epic Interactive Encyclopedia, The (1996)(Epic Marketing)[non-bootable].iso
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sphalerite
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1992-09-02
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253b
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9 lines
Sphalerite is the chief ore of zinc, composed
of zinc sulphide with a small proportion of
iron, formula (Zn,Fe)S. It is brown with a
nonmetallic lustre unless an appreciable
amount of iron is present (up to 26% by
weight).
Subject by: Vince Pike