Minerals are classified into the following three parts as given below:
1. Metallic minerals: The minerals in which a sizeable ratio of metal is present, are called metallic minerals. Copper, lead – zinc, iron, silver, etc. are metallic minerals.
2. Non – metallic minerals: The minerals which do not contain trace of any metal are called non – metallic minerals. Pyrite, diamond, gypsum, marble, etc. are non-metallic minerls.
3. Energy Minerals: The minerals that supply energy are called energy minerals. Coal, petroleum, natural gas are energy minerals.
