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Mineral Tests (Grade 8)

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Mineral Tests

A few minerals, such as quartz, have electrical properties.
  1. True
  2. False
Mineralogists use a flame test to identify minerals according to the color(s) of flame they produce when they burn.
  1. True
  2. False
A mineral's streak is a more reliable way to classify a mineral than its apparent color.
  1. True
  2. False
The property of splitting evenly along flat surfaces.
  1. luster
  2. streak
  3. cleavage
  4. crystal
Minerals that glow under ultraviolet light have a property known as
  1. magnetism.
  2. radioactive.
  3. carbon dioxide.
  4. fluorescence.
Because of its hardness,                cannot scratch any other mineral.
  1. quartz
  2. topaz
  3. calcite
  4. talc
What is a mineral's streak?
  1. the resistance to being scratched
  2. the color of the mineral in powder form
  3. the way which a mineral reflects light
  4. the way a mineral reacts to hydrochloric acid
A particular mineral breaks like a piece of glass does. Which describes the breakage?
  1. cleavage
  2. hardness
  3. luster
  4. fracture
When carbonate minerals come into contact with hydrochloric acid, they
  1. break.
  2. fizz.
  3. freeze.
  4. evaporate.
Mineral Hardness

1 Talc
2 Gypsum
3 Calcite
4 Fluorite
5 Apatite
6 Orthoclase
7 Quartz
8 Topaz
9 Corundum
10 Diamond

A mineral scratches fluorite, but will not scratch quartz. Which mineral could it be?
  1. calcite
  2. topaz
  3. talc
  4. apatite
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