Page 38 - Introduction to Mineral Exploration
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2: MINERALOGY OF ECONOMIC DEPOSITS  21






                   Copper production  Jewellery, cutting and  grinding tools  Filters, filler, abrasive Ceramics, glass making  Flux in steel making,  fluorochemicals  Jewellery, hoarding,  dentistry  Steel making, refractories,  foundries Plasterboard, insulation  Iron production  Paper manufacture,  coating clay, filler,  extender  Constructional, agricultural, chemical and metallurgical industries Ceramics, glass, enamels, Li salts, Li chemicals,  batteries  Lead prod








                   Many other ores of copper  Considerable production  of synthetic and  industrial diamonds  Fluorspar is the raw ore, fluorite the pure mineral Many other tellurides may occur in gold ores  A constituent of many clays: ball clay, refractory  clay, etc. One of the world’s most widely used materials  Li brines are now important producers  Galena may be  argentiferous  Marketed mainly as  magnesia















                      X   X                               X   X  X



                    X  X  X  X  X  X  X  X  X  X  X  X  X  X  X  X  X  X  X   X      X  X



                                              90–100  variable

                    63  80  34  66             39         72  70  48                 86












                    Cu 5 FeS 4  Cu 2 S  CuFeS 2  CuS  C  SiO 2 .nH 2 O  NaAlSi 3 O 8  KAlSi 3 O 8  CaF 2  Au  AuTe 2  (Au,Ag)Te 2  C  CaSO 4 .2H 2 O  Fe 2 O 3  Fe 3 O 4  FeCO 3  Al 4 Si 4 O 10 (OH) 8  CaCO 3  Li K(LiAl) 3 (Si,Al) 4 O 10 (F,OH) 2  LiAlSi 4 O 10  LiAlSi 2 O 6  PbS  MgCO 3








                   Copper  bornite  chalcocite  chalcopyrite  covellite  Diamond  Diatomite  Feldspar  Fluorspar  Gold  native gold  calaverite  sylvanite  Graphite  Gypsum  Iron  hematite  magnetite  siderite  Kaolin  kaolinite  Limestone  Lithium  amblygonite  lepidolite  petalite  spodumene  Lead  galena  Magnesite
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