Chemistry Material for APPSC General studies,Chemistryl for General Studies, Chemistry material for Group-1 & 2 - Ores of some important elements

 Ores of some important elements

Element	Ores
zinc (Zn):	Zincite (ZnO), Zinc blende or spharelite (ZnS),  Zincspar or calamine (ZnCO3), Willemite (Zn2SiO4).
silver (Ag):	Horn silver (AgCl), Argentite or silver glance (Ag2S),  Pyrargyrite or ruby silver (3Ag2S-Sb2S3), Stromeyerite or silver copper glance {(Cu,Ag)2S}.
aluminium (Al)	Corundum, Ruby, Sapphire, Emerald (Al2O3) Diaspore (Al2O3.H2O), Bauxite (Al2O3.2H2O) (Most important ore), Gibbsite (Al2O3.3H2O), Cryolite (Na3AlF6) (2nd most important ore), Alum stone {K2SO4.Al2(SO4)3.4Al(OH)3}, Turquoise {AlPO4.Al(OH)3.H2O}, Felspar (KAlSi3O8).
lead or plumbum (Pb)	Galena (PbS), Anglesite (PbSO4), Cerussite (PbCO3), Lanarkite (PbO.PbSO4).
magnesium (Mg):	Magnesite (MgCO3) (Chief ore), Dolomite (MgCO3.CaCO3), Kiesserite (MgSO4.H2O), Epsom salt (4.7H2O), Carnallite (KCl.MgCl2.6H2O), Asbestos {CaMg3(SiO3)4}.
calcium (Ca):	Calcite or calcspar or Limestone (CaCO3), Dolomite (MgCO3.CaCO3), Gypsum (CaSO4.2H2O),  Fluorspar (CaF2), Fluoraspatite {3Ca(PO4).CaF2}, Phosphorite {Ca3(PO4)2}.
Iron (Fe):	Magnetite (Fe3O4) (main ore),  Haematite (Fe2O3), Limonite (Fe2O3.3H2O), Siderite or sepathic iron (FeCO3),  Iron pyrites (FeS2), Chalcopyrites (CuFeS2).
copper (Cu):	Copper pyrites (CuFeS2) (Main ore), Melachite {CuCO3.Cu(OH)2}, Cuprite (Cu2O), Copper glance (Cu2S) .
tin (Sn):	Cassiterite (SnO2).
mercury (Hg):	Cinnabar (HgS).
Sodium (Na):	Rock salt (NaCl) (main ore),  Chile saltpetre (NaNO3), Glaubers salt (Na2SO4.10H2O), Trona (Na2CO3.2NaHCO3.3H2O),  Natron (Na2CO3.H2O), Tincal (Borax) (Na2B4O7.10H2O), Cryolite (NaAlSi3O8), Soda feldspar (NaAlSi3O8), Feldspar (Na3AlSiO8).
Lithium (Li):	Spodumene (LiAlSi2O6,  Lepidolite {(Li,Na,K)2Al2(SiO3)3.F(OH)}.
chromium (Cr):	Chromite (Cr2O3.FeO).