Mr W's Online Mineral Quiz

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| By Swehlan
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Swehlan
Community Contributor
Quizzes Created: 4 | Total Attempts: 1,891
Questions: 7 | Attempts: 683

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Mr W

Online quiz over MINERAL content covered during Term 2 in Mr Wehlan's class 2008-2009


Questions and Answers
  • 1. 

    What term is used by geologists to describe how light reflects off of a mineral?         (ex. Galena-metallic)  Also see: Glassy (vitreous-70%) Pearly Dull Adamantine

    • A.

      Cleavage

    • B.

      Viscosity

    • C.

      Luster

    • D.

      Streak

    Correct Answer
    C. Luster
    Explanation
    Click on image

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  • 2. 

    What defines something as a mineral?    (ex. Smokey Quartz)

    • A.

      Naturally occurring (not man-made)

    • B.

      Inorganic (never from plant/animal material)

    • C.

      Has a definite crystalline structure

    • D.

      Solid (not liquid or gas)

    • E.

      All of the above

    Correct Answer
    E. All of the above
    Explanation
    Click on image

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  • 3. 

    The color of a minerals powder is called ____________ by geologists.

    • A.

      Luster

    • B.

      Fracture

    • C.

      Cleavage

    • D.

      Streak

    • E.

      Density

    Correct Answer
    D. Streak
    Explanation
    The color of a mineral's powder is called "streak" by geologists. Streak refers to the color of the powdered form of a mineral when it is scraped across a streak plate. This characteristic helps geologists identify minerals, as the streak color can sometimes be different from the color of the mineral itself.

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  • 4. 

    When a mineral breaks apart leaving flat surfaces geologist say the mineral exhibits __________.

    • A.

      Fracture

    • B.

      Deformation

    • C.

      Cleavage

    • D.

      Heft

    Correct Answer
    C. Cleavage
    Explanation
    Click on image

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  • 5. 

    When a mineral breaks apart and leaves rough irregular edges, geologists describe it as ________. ex. Obsidian - chonchoidal

    • A.

      Heft

    • B.

      Cleavage

    • C.

      Streak

    • D.

      Fracture

    • E.

      None of the above

    Correct Answer
    D. Fracture
    Explanation
    Click on image

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  • 6. 

    The term(s) used by geologists to describe how a mineral breaks apart under pressure is called?

    • A.

      Fracture

    • B.

      Cleavage

    • C.

      Both A & B

    • D.

      Neither A nor B

    Correct Answer
    C. Both A & B
    Explanation
    Both fracture and cleavage are terms used by geologists to describe how a mineral breaks apart under pressure. Fracture refers to the way a mineral breaks irregularly, resulting in rough and uneven surfaces. Cleavage, on the other hand, describes the tendency of a mineral to break along flat, smooth planes. So, both fracture and cleavage are important concepts in understanding the behavior of minerals under pressure.

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  • 7. 

    Each mineral has a characteristic ____________, which is defined as its mass in grams compared to (or divided by) its volume in milliliters.

    • A.

      Heft

    • B.

      Density

    • C.

      Permeability

    • D.

      None of the above

    Correct Answer
    B. Density
    Explanation
    Density is the correct answer because it is defined as the mass of a mineral divided by its volume. It is a characteristic property of minerals that helps to identify and distinguish them from each other. Heft refers to the weight or perceived weight of an object, while permeability refers to the ability of a substance to allow fluids or gases to pass through it. None of the above options accurately describe the characteristic of minerals being discussed.

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  • Current Version
  • Mar 20, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Jan 21, 2009
    Quiz Created by
    Swehlan
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