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The geosphere (Minerals are: (Natural, Inorganic, Solid, Specific chemical…

- - - - talk (1)
      - diamond (10)
  - - - Silky
      - Pearly
      - Glassy
      - Adamantine
      - Metallyc
      - Matte
- - - - Slate= it has very tiny crystals, not visible to the naked
        eye.
  - - - granite
        
        The most abundant rock on land.
        
        One of the most used in construction.
      - peridotite
        
        The most abundant rock in mantle.
  - - - Sediments
      - Fragments of older rocks
    - - Clays
      - Sandstones
      - Conglemenrate
        
        These are rocks with grains (called clasts)
        
        Joining the clasts together is a finer material
        which is called Matrix.
  - - - Volcanic rocks
        
        Glassy opperance.
        
        Sometimes their trap our bubbles inside.
        
        Formed when lava on earth's surface cools and solidifies.
        
        For example
        
        Pumice (light, plants, in water, full of holes.)
        
        Obsidian (completely black with glassy shine)
        
        Basalt (a dark matte rock)
      - Plutonic rocks
- - - - continental crust
      - oceanic crust
- - - - Are formed from sediments or fragments of the
        other rock.
    - - Can be formed by extreme pressure
        and heat.
    - - Lava or magma from the earth's
        mantle.
- - - - Quartz-prismatic
      - Pyrite-cubic
  - - - Sulphur-yellow
      - Malachite-green