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Question
What are minerals?
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Solution 1
Minerals are natural inorganic substances having a crystalline form with definite physical and chemical properties. The most common minerals in the earth’s crust are silica, quartz, feldspar, mica, calcite, dolomite, gypsum, etc. There are about 2,000 minerals in the earth’s crust and these combine differently to form various kinds of rocks.
Solution 2
The compounds of metals which occur in the earth crust and are obtained by mining are called minerals. A mineral is either a single compound or a complex mixture of several compounds of the same or different metals.
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