1. An____is a type of rock in which minerals are found in high concentration.
2. Gold and copper ores can be found in___ and____rocks.
3. Kaolinite is a____mineral that can be found in some light bulbs.
4. Salt is a non-metallic mineral that is commonly obtained from the____.
5. ___and___are minerals used in the production of steel.
6. Most of India's mineral wealth lies in the ____ region.​