On the basis of composition, minerals are classified mainly as metallic and non-metallic minerals. Metallic minerals may be ferrous or non-ferrous. Ferrous minerals like iron ore, manganese and chromites contain iron. A non-ferrous mineral does not contain iron but may contain some other metal such as gold, silver, copper or lead. Non-metallic minerals do not contain metals. Limestone, mica and gypsum are examples of such minerals. The mineral fuels like coal and petroleum are also non-metallic minerals.
Further Reading:
- Physical characteristics of minerals
- NCERT Notes: Geography- Some major minerals and their characteristics
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