Iron, Gold, Aluminum, Sapphires and Copper are the metallic minerals while Quartz, Calcite, Diamond, Rubies, Emerald, Topaz, Coal and Petroleum are the non-metallic minerals.
<h3>What are minerals?</h3>
Mineral is a chemical compound which is normally crystalline in nature. It is a solid substance present in nature made up of one or more and elements which are combined together.
It is formed as a result of geological processes . For example it includes quartz, calcite, sulphur, clay minerals etc. Minerals are used in the production of ceramics oftenly.
Properties of minerals :
1. They have characteristic chemical composition
2. They have highly ordered atomic structures
3. They have several physical properties such as hardness, luster and cleavage.
Thus, Iron, Gold, Aluminum, Sapphires and Copper are the metallic minerals while Quartz, Calcite, Diamond, Rubies, Emerald, Topaz, Coal and Petroleum are the non-metallic minerals.
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