Earth Science The 8 most common elements in the earths crust ar Oxygen, Silicon, Aluminum, Iron, Calcium, Sodium, Potassium, & Magnesium. They compose 98.5% of the total crust. A mineral occurs naturally, is a soli, inorganic, has chemical composition and a crystal clear structure. Native minerals are single elements. Compounds are 2 or more. There are more compound than native. You can aspiration minerals by color, streak, luster, hardness, cleavage, and fracture. Minerals form by magma erupting and forming lava then cooling. They can to a fault form by evaporation of water containing fade away ions.
Silicates are the most common group of minerals found in the earths crust. The structure of minerals are orderly. They form crystalline. A crystalline has prostrate faces and flavourless surfaces. Igneous rocks are formed from magma. If they are peeping (plutonic), they obtain large crystals and cooled slowly. If they are extrusive, they cool quickly, have fined grain. The sche...If you postulate to blend in a full essay, order it on our website:
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