Study

Minerals

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  • ................. of a mineral can be metallic or nonmetallic
    Luster
  • Compare and contrast between graphite and diamond.
    Both of graphite and diamond are made up of carbon atoms but with different arrangement.
  • Looking at the minerals formed inside and outside the volcano, compare the size of their crystals.
    Minerals formed inside a volcano have bigger sized crystals than those formed outside the volcano.
  • When a mineral breaks unevenly or scattered we say it is ......................
    fractured.
  • ............... describes when a mineral breaks along a plane or uniform shape.
    Cleavage
  • What property determines how easy it is to scratch a mineral?
    Hardness
  • Explain how can you decide whether a substance you found is a mineral or not.
    It needs to be solid with crystalline structure/ inoganic / naturally formed / has specific chemicl composition.
  • ..................... is used to describe minerals but it is not the best way, because it might change under certain conditions.
    Color
  • List 3 ways by which minerals form.
    1. As magma and lava cools/ 2. By metamorphosis / 3. From solutions
  • The marks that minerals leave when scratched on a porcelain plate are defined as :
    Streak