Specific Gravity and Density in Mineralogy
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Questions and Answers

What is specific gravity a way of expressing?

  • Luster
  • Color
  • Density (correct)
  • Hardness
  • How is crystal form related to the internal arrangement of atoms in a mineral?

  • It reflects the internal arrangement of atoms (correct)
  • It affects the luster of the mineral
  • It defines the hardness of the mineral
  • It determines the color of the mineral
  • Which material has a specific gravity similar to that of gold?

  • Silicates
  • Iron
  • Lead
  • Galena (correct)
  • What technique can be used to determine the underlying periodic crystal structure of a mineral?

    <p>X-ray diffraction</p> Signup and view all the answers

    What is the external expression of the internally ordered arrangement of atoms in a mineral called?

    <p>Crystal form</p> Signup and view all the answers

    Which physical property does density represent?

    <p>Weight per unit volume</p> Signup and view all the answers

    What special characteristic helps distinguish Calcite and Dolomite from other minerals?

    <p>Reacts to acid</p> Signup and view all the answers

    Which mineral exhibits the property of magnetism as a special characteristic?

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

    What is the special characteristic of Halite that helps identify it?

    <p>Salty taste</p> Signup and view all the answers

    Which property can be used to distinguish Magnetite from other non-magnetite iron oxides?

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

    What mineral exhibits the property of double refraction?

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

    Which mineral displays striations as a special characteristic due to mineral twinning?

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

    What physical property is useful for distinguishing between minerals with metallic luster?

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

    What does the term 'luster' in mineralogy refer to?

    <p>The way a mineral's surface scatters light</p> Signup and view all the answers

    How is hardness measured in minerals according to the Mohs scale?

    <p>Resistance to scratching</p> Signup and view all the answers

    Which term is NOT used to describe nonmetallic minerals based on their luster?

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

    What does hardness of a mineral reflect directly according to the text?

    <p>Internal atomic arrangement and bonding type</p> Signup and view all the answers

    Which scale is used to measure the hardness of minerals and ranges from talc to diamond?

    <p>Mohs' Hardness Scale</p> Signup and view all the answers

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