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Minerals and rocks

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  • What shape does the pyrite have? Is it regular or irregular?
    Pyrite has a regular shape.
  • What property is it? It's the form that minerals have in nature.
    Shape.
  • Is the diamond hard or soft?
    The diamond is hard.
  • How is the luster of this mineral? Is it shiny or matte?
    This mineral is shiny.
  • What shape does the coal have? Is it regular or irregular?
    The coal has an irregular shape.
  • How is the luster of this mineral? Is it shiny or matte?
    This mineral (bauxite) is matte.
  • How many types of rocks do we know?
    We know three types.
  • Magma rises to the surface cools and solidifies, forming __________ .
    igneous rocks.
  • ___________ are a group of minerals.
    Rocks
  • The heat and pressure of rocks on other rocks forms ___________.
    metamorphic rocks.
  • Some minerals have many _______ and others have a very distinctive one.
    colours
  • According to the rock cycle, order these rocks: a) Sedimentary rocks b) Igneous rocks c) Metamorphic rocks
    b) Igneous rocks. a) Sedimentary rocks. c) Metamorphic rocks.
  • __________ are a solid and inorganic substance that forms in nature.
    Minerals
  • The erosion of other rocks forms _____________.
    sedimentary rocks.
  • What property is it? It's the resistance to being scratched.
    Hardness.
  • Is talc hard or soft?
    Talc is soft.
  • What property is it? It's the way the surface reflects light.
    Luster.
  • What are the four mineral properties that we have learned?
    The four properties are: hardness, luster, colour and shape.
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