Earth Rocks Science

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Earth Rocks Science Minerals
GRANITE
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The contents of rocks
What are rocks made of?
One or more
Minerals
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What are mineral?
Minerals are natural, non-living solid crystals
that make up rocks.
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Granite
Granite is one of the most common rocks in the
world.
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What 3 minerals?
What is the rock, granite, made of?
Quartz
Feldspar
Mica
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What 3 minerals?
What is the rock, granite, made of?
Quartz
Quartz is one of the most common minerals in
Earths crust.
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What 3 minerals?
What is the rock, granite, made of?
Feldspar
Potassium feldspars contains potassium. Feldspar
crystals are stubby prisms, often pink to white.
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What 3 minerals?
What is the rock, granite, made of?
Mica
All micas form flat, book-like crystals that peal
apart into individual sheets on cleavage planes.
Crystals cleave into smooth flakes. Mica is so
soft that you can scratch it with a fingernail.
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A property of minerals
What is cleavage?
Mica
The tendency of a mineral to break along weak
planes.
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Granite
What thinking map can we use to illustrate
granite and the minerals its made of?
Mica
pink granite
Lizard on gray granite