Question

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.

Answer 1

Explanation:

Mode of Occurrence of Minerals: Minerals are generally found in "ores", which is actually an accumulation of any mineral mixed with other elements. To obtain a pure mineral, the it has to be separated from its ore. Minerals generally occur in the cracks, crevices, faults and joints of the igneous and metamorphic rocks.

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