Vidyalelo
Geography GK · Q298

Miscellaneous World Geography

Competitive Exams · Geography GK · question 298

Q298

Muscovite, Phlogopite and Biotite are

A.
Iron ore varieties
B.
Mica varieties
Answer
C.
Coal varieties
D.
Manganese varieties

Answer: Option B

Solution

Answer: Option B
Solution:
Muscovite, Phlogopite and Biotite are Mica varieties. Muscovite, often called ‘white mica’, is the lightest colored mica mineral. Usually colorless, white or silver, occasionally yellow or brown. Phlogopite is a yellow, greenish, or reddish-brown member of the mica family of phyllosilicates. It is also known as magnesium mica or amber mica. Biotite is a common phyllosilicate mineral within the mica group. The high content of iron ions gives it a dark hue. It is sometimes called "iron mica" because it is more iron-rich than phlogopite.