The Rockhound Quiz

• 1. What does Moh's Scale measure?

  1. Hardness
  2. Luster
  3. Streak
  4. Cleavage

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• 2. Why isn't color alone very useful in mineral identification

  1. Many minerals have the same color
  2. One mineral can have many colors
  3. The presence of one element can cause many colors
  4. All of the above

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• 3. What does specific gravity of a mineral measure?

  1. the density of the mineral
  2. measures the color in powdered form
  3. measures mass of mineral in powdered form
  4. measures how reflective the mineral is

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• 4. is the birthstone of May.

  1. Sapphire
  2. Opal
  3. Pearl
  4. Emerald

  

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• 5. This common mineral is used in electronic devices, including clocks. What is it?

  1. Calcite
  2. Quartz
  3. Corundum
  4. Apatite

  

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• 6. What is the name for the continuous changing of rocks from one type to another?

  1. Rock Cycle
  2. Erosion
  3. Weathering
  4. Melting

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• 7. Is marble a gemstone?

  1. Yes
  2. No

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• 8. rocks form from magma/lava cooling and hardening.

  1. Igneous
  2. Sedimentary
  3. Metamorphic

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• 9. How many facets are in a round brilliant gem?

  1. 25
  2. 57
  3. 100
  4. 75

  

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• 10. This rock was formed by the cementation of larger pieces of rock (gravel). What type of rock is it?

  1. Igneous
  2. Sedimentary
  3. Metamorphic

  

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• 11. What is the molten rock below Earth's surface called?

  1. Magma
  2. Lava
  3. Rock
  4. Sediment

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• 12. is lava that has cooled rapidly, resulting in volcanic glass.

  1. Basalt
  2. Granite
  3. Pumice
  4. Obsidian

  

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