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geology- MINERALs [ wordfile ]
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       Olivine    (Magnesium Iron Silicate )    (Mg,Fe)2SiO4
       Pyroxene   (Mg,Fe,Ca)2Si2O6
       Quartz     SiO2

       Zircon     (Zirconium Silicate)

       Plagioclase
         Albite      NaAlSi3O8
         Anorthite   CaAl2Si2O8

       Potassium Feldspar  KAlSi3O8

       Calcite	CaCO3	 

       OXIDES
         Ice         (Hydrogen Oxide)     H2O 
         Hematite    (Iron Oxide)         Fe2O3
         Cuprite     (Copper Oxide)
         Ramsdellite (Manganese Oxide)

       other SILICATES
         Topaz       (Aluminum Silicate Fluoride Hydroxide)
          
       FELDSPAR GROUP   
         Albite      (Sodium Aluminum Silicate)
         Andesine    (Sodium Calcium Aluminum Silicate)
         Anorthite   (Calcium Aluminum Silicate)
         Orthoclase (Potassium Aluminum Silicate)
          
       PYROXENE GROUP
          Augite     (Calcium Sodium Magnesium Aluminum Iron Titanium Silicate)

       AMPHIBOLE GROUP 
          Anthophyllite (Magnesium Iron Silicate Hydroxide)
          Hornblende    (Calcium Sodium Magnesium Iron Aluminum Silicate Hydroxide) 

        MICA GROUP 
          Biotite    (Potassium Iron Magnesium Aluminum Silicate Hydroxide Fluoride)
          Muscovite  (Potassium Aluminum Silicate Hydroxide Fluoride)

       EVAPORITEs - sedimentary rock 
       Gypsum	CaSO4*2H2O	  
       Halite	NaCl