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Mineral Groups (Grade 9)

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Mineral Groups

1. 
The most abundant mineral group in Earth's crust are the                         
2. 
Minerals are classified according to their
  1. color.
  2. origin.
  3. composition.
  4. specific gravity.
3. 
To be placed into the sulfide mineral group the mineral must have this.
  1. Silicon
  2. Carbon
  3. Sodium
  4. Sulfur
4. 
To be a part of the oxide mineral group the mineral must contain this.
  1. Oxygen
  2. Osmium
  3. Carbon
  4. Silicon
5. 
Which of the following is an example of a halide mineral?
  1. native sulfur
  2. rock salt
  3. iron pyrite
  4. calcite
6. 
Which of the following is an example of a sulfide mineral?
  1. native sulfur
  2. rock salt
  3. iron pyrite
  4. calcite
7. 
Diamond is an example of a mineral classified as a
  1. silicate
  2. carbonate
  3. phosphate
  4. native element
8. 
The basic structure of silicate minerals is                   oxygen atom(s) surrounding                   silicon atom(s) arranged as a                  .
  1. 1; 3; triangle
  2. 3; 1; triangle
  3. 1; 4; tetrahedron
  4. 4; 1; tetrahedron
9. 
Gem minerals are classified as
  1. only native elements
  2. both silicates and oxides
  3. both native elements and carbonates
  4. any of the major mineral groups
10. 
The chemical formulas of 5 minerals are listed below. Write the letter on the line that matches each chemical formula to its correct mineral group.

A. carbonate B. silicate C. oxide D. sulfate E. sulfide

           [math]Fe_2O_3[/math]

           [math]CuS[/math]

           [math]CaSO_4[/math]

           [math]KAlSi_3O_8[/math]

           [math]CaCO_3[/math]
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