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Economic Geology: Minerals Old and New
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1.Native elements
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Graphite |
C |
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Sulfur |
S |
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Copper |
Cu8 |
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Gold |
Au |
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Silver |
Ag |
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2. Halides
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Halite |
NaCl |
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Fluorite |
CaF2 |
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Sylvite |
KCl |
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3. Sulfides/Arsenides
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Arsenopyrite |
FeAsS |
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Bornite |
Cu5FeS4 |
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Chalcocite |
Cu2S |
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Chalcopyrite |
CuFeS2 |
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Cinnabar** |
HgS |
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Covellite |
CuS |
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Enargite |
Cu3AsS4 |
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Galena |
PbS |
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Molybdenite |
MoS2 |
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Nickeline** |
NiAs |
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Pentlandite |
(Fe,Ni)9S8 |
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Pyrargyrite** |
Ag3SbS3 |
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Pyrite, Marcasite |
FeS2 |
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Pyrrhotite |
Fe1-xS |
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Realgar-Orpiment** |
AsS/As2S3 |
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Skudderudite** |
(Co,Ni)As3-x |
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Sphalerite |
ZnS |
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Stibnite** |
Sb2S3 |
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Tetrahedrite |
(Cu,Fe)12(Sb,As)4S13 |
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4. Oxides
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Rutile |
TiO2 |
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Pyrolusite |
MnO2 |
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Hematite |
Fe2O3 |
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Ilmenite |
FeTiO3 |
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Corundum |
Al2O3 |
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Magnetite |
Fe3O4 |
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Chromite |
FeCr2O4 |
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Cassiterite** |
SnO2 |
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Cuprite** |
Cu2O |
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5. Hydroxides etc.
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Goethite, limonite |
FeO(OH) |
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Bauxite: gibbsite and diaspore |
Al(OH)3, AlO(OH) |
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Co Bloom (erythrite)** |
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Ni Bloom (annabergite)** |
Ni3(AsO4)2.8H2O |
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6. Carbonates
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Calcite |
CaCO3 |
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Aragonite |
CaCO3 |
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Dolomite |
CaMg(CO3)2 |
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Siderite |
FeCO3 |
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Rhodochrosite** |
MnCO3 |
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Azurite |
Cu3(OH)2(CO3)2 |
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Malachite |
Cu2(OH)2(CO3) |
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7. Sulfates
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Anhydrite |
CaSO4 |
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Barite |
BaSO4 |
| Alunite |
KAl 3 (SO 4 ) 2 (OH) 6 |
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Gypsum |
CaSO4 . 2H2O |
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8. Phosphates
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Apatite |
Ca5(PO4)3 [(OH), F, Cl] |
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9. Tungstates
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Scheelite** |
CaWO4 |
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10. Silicates
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Augite |
(Ca,Mg,Fe)2Si2O6 |
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Beryl |
Be3Al2Si6O18 |
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Biotite |
K(Fe,Mg)3(AlSi3O10) (OH)2 |
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Chlorite |
Mg5Al(AlSi3O10) (OH)8 |
| Chloritoid |
(Fe++,Mg,Mn)2Al4Si2O10(OH)4 |
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Chrysocolla** |
~(Cu,Al)(SiO3).nH2O |
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Diopside |
CaMgSi2O6 |
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Garnet: Almandine |
Fe3Al2Si3O12; Grossularite Ca3Al2Si3O12 |
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Garnierite** |
(Ni,Mg)3Si2O5 (OH)4 |
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Green Mica(fuchsite) Cr bearing muscovite |
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Hornblende |
NaCa2(Mg,Fe)5(AlSi7O22) (OH)2 |
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Kaolinite |
Al4Si4O10 (OH)8 |
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Kyanite,Andalusite |
Al2SiO5 |
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Muscovite/sericite |
KAl2(AlSi3O10) (OH)2 |
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Olivine : Mg - Forsterite, Fe - Fayalite |
(Mg,Fe)2SiO4 |
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Orthopyroxene (enstatite, hypersthene) |
(Mg,Fe) SiO3 |
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Orthoclase |
(alkali feldspar) KAlSi3O8 - (K, Na) AlSi3O8 |
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Plagioclase |
(Na,Ca)Al(Si,Al)Si2O8 |
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Quartz |
(high, low T) SiO2 |
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Rhodonite** |
MnSiO3 |
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Serpentine |
Mg6Si4O10 (OH)8 |
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Talc |
Mg3(Si4O10) (OH)2 |
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Tourmaline |
Na,Mg,Fe,Al etc borosilicate with (BO3), (OH) |
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Tremolite, Actinolite |
Ca2(Mg,Fe)5Si8O22(OH)2 |
