Q. Pick up the correct statement from the following: (Solved)
1. Hornblende mineral is brittle
2. Muscovite is also known as white mica and potash mica
3. Biotite is also known as black-mica
4. All the above
- d. All the above
1. Hornblende mineral is brittle
2. Muscovite is also known as white mica and potash mica
3. Biotite is also known as black-mica
4. All the above