Engineering Geology Department Chapter Two: Minerals
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Questions and Answers

Which of the following is NOT a characteristic of a mineral?

  • Has a definite chemical composition
  • Occurs naturally
  • Is formed by biological processes (correct)
  • Is in solid state
  • What type of bonding involves electron transfer?

  • Van der Waals bonding
  • Covalent bonding
  • Metallic bonding
  • Ionic bonding (correct)
  • Which of the following is an example of a compound?

  • Gold (Au)
  • Oxygen (O)
  • Diamond (C)
  • Water (H2O) (correct)
  • What does the term 'naturally' mean in the context of minerals?

    <p>Not made from artificial substances</p> Signup and view all the answers

    What is the smallest amount of an element called?

    <p>Atom</p> Signup and view all the answers

    Which type of bonding involves the free movement of electrons?

    <p>Metallic bonding</p> Signup and view all the answers

    Which property of minerals refers to the resistance ability to abrasion (scratching)?

    <p>Hardness</p> Signup and view all the answers

    What is the name given to the way a mineral breaks along curved surfaces without a definite shape?

    <p>Fracture</p> Signup and view all the answers

    Specific gravity of minerals is defined as the ratio of the weight of a given mineral to the weight of an equal volume of what substance?

    <p>Water</p> Signup and view all the answers

    Which type of luster resembles the shine of pure silk?

    <p>Silky</p> Signup and view all the answers

    What is the color of a mineral in powdered form called?

    <p>Streak</p> Signup and view all the answers

    Which mineral identification property involves the reflection of light or shine?

    <p>Luster</p> Signup and view all the answers

    On which scale is the hardness of minerals compared?

    <p>Mohs’ hardness scale</p> Signup and view all the answers

    Study Notes

    Mineral Characteristics

    • Organic compounds are NOT a characteristic of a mineral.
    • Mineral characteristics do not include living organisms or their remains.

    Bonding Types

    • Ionic bonding involves electron transfer.
    • Metallic bonding involves the free movement of electrons.

    Compounds

    • Water (H₂O) is an example of a compound.

    Mineral Formation

    • 'Naturally' in the context of minerals means that they form without human intervention.

    Elements

    • The smallest amount of an element is called an atom.

    Mineral Properties

    • Hardness in minerals refers to the resistance ability to abrasion (scratching).
    • The way a mineral breaks along curved surfaces without a definite shape is called conchoidal fracture.
    • Specific gravity of minerals is defined as the ratio of the weight of a given mineral to the weight of an equal volume of water.
    • The shine or luster of a mineral that resembles the shine of pure silk is called silky luster.
    • The color of a mineral in powdered form is called streak.
    • The mineral identification property that involves the reflection of light or shine is luster.
    • The hardness of minerals is compared on the Mohs hardness scale.

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    Description

    Test your knowledge of minerals in engineering geology department chapter two. Learn about the characteristics of minerals, including their natural occurrence, inorganic nature, and chemical composition.

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