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What are Minerals?

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  • What minerals have copper, gold and silver?
    Metallic luster
  • Which minerals glow under a black light
    calcite and fluorite
  • What have earthy luster?
    Talc and gypsum
  • On the Moh's scale, a mineral with a higher mineral can scratch another mineral with a lower or equal number.
    yes
  • What can attract things that have iron in them?
    Magnetite
  • What are minerals?
    A mineral is any nonliving solid that has a cristal form.
  • What describes how minerials reflect light?
    Luster
  • calcite is the most hard mineral?
    no
  • What can conduct electricity?
    Quartz
  • What is hardness?
    it's mineral`s ability to scratch another mineral.
  • The color of minerals may vary, but its streak is always the same?
    yes
  • Look at the picture shown. Are they all quartz?
    yes
  • Can you scratch hardness minerals with a finger nail?
    yes
  • A mineral can be in different colors?
    yes
  • What is used to measure the hardness?
    The Moh's scale
  • A diamond can't be scratch by any mineral except another diamond.
    yes
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