Rocks And Minerals Quiz 1

10 Questions

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Rock And Mineral Quizzes & Trivia

Rocks and minerals.


Questions and Answers
  • 1. 
    Which of the following minerals is the main constituent of Earth's mantle?
    • A. 

      Olivine

    • B. 

      Biotite

    • C. 

      Feldspar

    • D. 

      Quartz

    • E. 

      Magnetite

  • 2. 
    What is considered "low" silica content in a magma melt?
    • A. 

      About 50%

    • B. 

      About 70%

    • C. 

      About 20%

    • D. 

      About 95%

  • 3. 
    Which of the following properties would you best use to distinguish halite from calcite?
    • A. 

      Streak

    • B. 

      Color and luster

    • C. 

      Crystal system and cleavage

    • D. 

      Taste

  • 4. 
    A mineral will scratch apatite, and is scratched by topaz. Which of the following might it be?
    • A. 

      Olivine

    • B. 

      Fluorite

    • C. 

      Corundum

    • D. 

      Bornite

  • 5. 
    Albite is an end member of which mineral group?
    • A. 

      Orthoclase feldspar

    • B. 

      Pyroxene

    • C. 

      Olivine

    • D. 

      Plagioclase feldspar

  • 6. 
    Which of the following minerals has NO cleavage, and conchoidal fracture?
    • A. 

      Muscovite

    • B. 

      Quartz

    • C. 

      Calcite

    • D. 

      Halite

  • 7. 
    A specimen exhibits strong birefringence, excellent cleavage in three directions, and effervesces when tested with HCl. These are distinguishing characteristics of...
    • A. 

      Calcite

    • B. 

      Halite

    • C. 

      Muscovite

    • D. 

      Pyrite

  • 8. 
    Which of the following minerals is an ore of mercury associated with volcanic activity?
    • A. 

      Hematite

    • B. 

      Cinnabar

    • C. 

      Galena

    • D. 

      Epsomite

  • 9. 
    Which of the native metals gold, copper and silver is the best conductor (1)? Which is most malleable (2)?
    • A. 

      (1) silver and (2) copper

    • B. 

      (1) copper and (2) copper

    • C. 

      (1) copper and (2) gold

    • D. 

      (1) gold and (2) gold

    • E. 

      (1) silver and (2) gold

  • 10. 
    Which of the following sets of minerals are polymorphs of each other?
    • A. 

      Quartz and corundum

    • B. 

      Orthoclase and plagioclase

    • C. 

      Calcite and dolomite

    • D. 

      Calcite and aragonite

    • E. 

      Biotite and muscovite