eg lab manual engineering/civ... · 2020. 8. 21. · chalcopyrite malachite sphalerite bauxite...
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- EG Lab Manual Engineering/CIV... · 2020. 8. 21. · Chalcopyrite Malachite Sphalerite Bauxite Haematite Magnetite Composition Lead sulphide (PbS) Copper iron sulphide (CuFeS2) Copper
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