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Published byRandell Hunt Modified over 9 years ago
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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 Earth’s 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.cleavage
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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 it’s made of? Mica pink granite Lizard on gray granite
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