Earth Rocks Science & Minerals GRANITE. The contents of rocks What are rocks made of? One or more...
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Earth Rocks Science & Minerals GRANITE
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Transcript of Earth Rocks Science & Minerals GRANITE. The contents of rocks What are rocks made of? One or more...
What 3 minerals?What is the rock, granite, made of?
Quartz
Quartz is one of the most common minerals in Earth’s crust.
What 3 minerals?What is the rock, granite, made of?
Feldspar
Potassium feldspars contains potassium. Feldspar crystals are stubby prisms, often pink to white.
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.