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Liz LaRosa 5 th grade science

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1 Liz LaRosa 5 th grade science

2 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.

3 Minerals are divided into groups based on their chemical composition The two main groups all minerals can be classified into are: Silicates Nonsilicates

4 Made of Silicon (Si) and Oxygen (O) Example: SiO4 Make up 90% of the Earths crust Combine with elements such as Aluminum (Al), Iron (Fe), Magnesium (Mg), and Potassium (K)

5 Nesosilicates Willemite – Zn 2 (SiO 4 ) found in Franklin, NJ Garnet - A 3 B 2 (SiO 4 ) 3

6 Sorosilicates Hemimorphite Zn 4 (SiO 4 )

7 Cyclosilicates Beryl Be 3 Al 2 (Si 6 O 18 )

8 Inosilicates Hornblende (Ca,Na) 2 (Mg,Fe,Al) 5 (Al,Si) 8 O 22 (OH) 2

9 Phyllosilicates Talc Mg 3 (Si 4 O 10 )(OH) 2

10 Tectosilicates Quartz SiO 2 Opal SiO 2. nH 2 O

11 Do not contain a combination of Silicon (Si) and Oxygen (O) in their chemical composition There are 6 groups of nonsilicates: 1.Native Elements 2.Oxides 3.Carbonates 4.Sulfates 5.Halides 6.Sulfides

12 Minerals composed of only one element Examples are: Gold (Au) Copper (Cu) Silver (Ag)*

13 Elements combine with Oxygen (O) Some elements that bond with O are Aluminum (Al) and Iron (Fe) Examples of oxides: Chromite - FeCr 2 O 4 Hematite* - Fe 2 O 3

14 Contain Carbon (C) and Oxygen (O) in their formulas Examples: Calcite - CaCO 3 Malachite* - Cu 2 CO 3 (OH) 2

15 Contain Sulfur and Oxygen (SO4) Examples: Gypsum - CaSO 4. 2H 2 O Barite - BaSO 4 Celestite* - SrSO 4

16 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 - CaF 2

17 Elements bonded with Sulfur (S) such as Lead (Pb), Iron (Fe), or Nickel (Ni) Examples: Galena - PbS Pyrite - FeS 2



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