liz larosa 5 th grade science www middleschoolscience com 2010
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Groups of Minerals

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Liz LaRosa 5 th grade science www.middleschoolscience.com 2010. Groups of Minerals. Mineral Groups - Notes. As you view the slides, write your notes into the graphic organizers. Include all the information from each slide into the appropriate boxes. Write neatly and carefully.

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mineral groups notes
Mineral Groups - Notes
  • As you view the slides, write your notes into the graphic organizers.
  • Include all the information from each slide into the appropriate boxes. Write neatly and carefully.
  • You will not be expected to memorize this information, but this information will be used as a reference throughout our mineral unit and help you become familiar with the different types of minerals that exist.
mineral groups
Mineral Groups
  • Minerals are divided into groups based on their chemical composition
  • The two main groups all minerals can be classified into are:
      • Silicates
      • Nonsilicates
silicates
Silicates
  • Made of Silicon (Si) and Oxygen (O)
      • Example: SiO4
  • Make up 90% of the Earth’s crust
  • Combine with elements such as Aluminum (Al), Iron (Fe), Magnesium (Mg), and Potassium (K)
silicates groups
Silicates - Groups
  • Nesosilicates
    • Willemite – Zn2(SiO4)
      • found in Franklin, NJ
    • Garnet - A3B2(SiO4)3
silicates groups1
Silicates - Groups
  • Sorosilicates
    • Hemimorphite
      • Zn4(SiO4)
silicates groups2
Silicates - Groups
  • Cyclosilicates
    • Beryl
      • Be3Al2(Si6O18)
silicates groups3
Silicates - Groups
  • Inosilicates
    • Hornblende
      • (Ca,Na)2(Mg,Fe,Al)5(Al,Si)8O22 (OH)2
silicates groups4
Silicates - Groups
  • Phyllosilicates
    • Talc
      • Mg3(Si4O10)(OH)2
silicates groups5
Silicates - Groups
  • Tectosilicates
    • Quartz
      • SiO2
    • Opal
      • SiO2.nH2O
nonsilicates
Nonsilicates
  • Do not contain a combination of Silicon (Si) and Oxygen (O) in their chemical composition
  • There are 6 groups of nonsilicates:
      • Native Elements
      • Oxides
      • Carbonates
      • Sulfates
      • Halides
      • Sulfides
native elements
Native Elements
  • Minerals composed of only one element
  • Examples are:
    • Gold (Au)
    • Copper (Cu)
    • Silver (Ag)*
oxides
Oxides
  • Elements combine with Oxygen (O)
  • Some elements that bond with O are Aluminum (Al) and Iron (Fe)
  • Examples of oxides:
    • Chromite - FeCr2O4
    • Hematite* - Fe2O3
carbonates
Carbonates
  • Contain Carbon (C) and Oxygen (O) in their formulas
  • Examples:
    • Calcite - CaCO3
    • Malachite* - Cu2CO3(OH)2
sulfates
Sulfates
  • Contain Sulfur and Oxygen (SO4)
  • Examples:
    • Gypsum - CaSO4.2H2O
    • Barite - BaSO4
    • Celestite* - SrSO4
halides
Halides
  • Compounds formed when Fluorine (F), Chlorine (Cl), Iodine (I), or Bromine (Br) bond with Sodium (Na), Potassium (K), or Calcium (Ca)
  • Examples:
    • Halite - NaCl
    • Fluorite - CaF2
sulfides
Sulfides
  • Elements bonded with Sulfur (S) such as Lead (Pb), Iron (Fe), or Nickel (Ni)
  • Examples:
    • Galena - PbS
    • Pyrite - FeS2
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