GY 302 Crystallography and Mineralogy Supplementary Lecture Notes 8 & 9 Sulfides Octahedral Coordination Tetrahedral Coordination Galena PbS Isometric Sphalerite ZnS Isometric Chalcopyrite CuFeS2 Tetragonal Covellite CuS Hexagonal Bornite Cu5FeS4 Isometric Chalcocite Cu2S Monoclinic Enargite Cu3AsS4 Orthorhombic Tetrahedrite (Cu, Fe)12Sb4S13 Isometric Pyrrhotite Fe(1-x)S Monoclinic/ Orthorhombic Molybdenite MoS2 Hexagonal Pyrite FeS2 Isometric Marcasite FeS2 Orthorhombic Argentite Ag2S Isometric Millerite NiS Hexagonal Pentlandite (Fe, Ni)9S8 Isometric Cinnabar HgS Hexagonal Realgar AsS Monoclinic Orpiment As2S3 Monoclinic Stibnite Sb2S3 Orthorhombic Cobaltite CoAsS Isometric Arsenopyrite FeAsS Monoclinic Skutterudite (Co,Ni)As2-3 Isometric Nickeline NiAs HexagonalSource: Perkins, D., 2002. Mineralogy. Second Ed., Prentice Hall, New Jersey, 483p. Copper productionCopper production Mo production Hg productionSource:
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