is the rock is compose of minerals?
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is the rock is compose of minerals?
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Most rocks are composed of minerals. Minerals are defined by geologists as naturally occurring inorganic solids that have a crystalline structure and a distinct chemical composition. Of course, the minerals found in the Earth's rocks are produced by a variety of different arrangements of chemical elements.
Our Earth is made mostly of rocks. The rocks are composed of mineral grains combined in different ways and having various properties. Minerals are naturally occurring chemical compounds in which atoms are arranged in three-dimensional patterns.The kind of elements and their arrangements lead to a particular appearance and certain properties for each mineral. The same chemical elements when arranged in different patterns show different characteristics. Classic examples are minerals made of the element carbon (C). Flat planes of carbon atoms form the mineral graphite, which is a gray, slippery, soft material. Carbon atoms arranged in a different pattern form the mineral diamond -- the hardest natural substance known. Although they have the same chemical composition, their different internal crystal structures form very different materials.
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