Earth recognition The 8 well-nigh car park elements in the earths crust ar Oxygen, Silicon, Aluminum, Iron, Calcium, Sodium, Potassium, & Magnesium. They compose 98.5% of the f ar crust. A mineral occurs naturally, is a soli, inorganic, has chemical composition and a diaphanous structure. Native minerals ar single elements. Compounds argon 2 or more. There ar more compound than native. You commode mark minerals by color, streak, luster, hardness, cleavage, and fracture. Minerals determine by magma erupting and pass urineing lava then cooling. They good deal to a fault form by evaporation of water containing dissolved ions. Silicates are the most common group of minerals embed in the earths crust. The structure of minerals are enunciately. They form lucid. A crystalline has flat faces and flavourless surfaces. eruptive rocks are formed from magma. If they are intrusive (plutonic), they obtain bragging(a) crystals an d cooled slowly. If they are extrusive, they cool quickly, hurt fined grain. The sche...If you want to blend in a full essay, order it on our website: OrderEssay.net
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