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SlideshowReport

Composition of Continental Crust

Description
Minerals properties
Taste
Smell
Elasticity
Malleability
Double refraction
Magnetism
Feel
Reaction with hydrochloric acid

Rock-forming minerals
Only a few dozen
Most abundant atoms in Earth’s crust are oxygen (46.6% by weight) and silicon (27.7% by weight)  

Eight elements compose most rock-forming minerals:
oxygen (O),
silicon (Si),
aluminum (Al)
iron (Fe)
calcium (Ca)
sodium (Na)
potassium (K)
magnesium (Mg)

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