what are kind of minerals
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About 99 percent of the minerals in the Earth's crust are made up of eight elements, including oxygen , silicon, copper , iron, calcium , sodium , potassium and magnesium. Popular minerals include quartz, feldspar, bauxite, cobalt, talc and pyrite. Some minerals have a different colored streak than their body color.
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Minerals are homogeneous naturally occurring substances normally found in solid, liquid and gaseous state. Minerals are classified into two types: Metallic and non-metallic. Metallic Minerals: They are further sub-divided into ferrous and non-ferrous. Ferrous minerals: They contain iron.Mar 17, 2019
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