Civil Engineering - Building Materials - Discussion

21. 

Pick up the correct statement from the following:

[A]. Horn blende mineral is brittle
[B]. Muscovite is also known as white mica and potashmica
[C]. Biotite is also known as blackmica
[D]. All the above.

Answer: Option D

Explanation:

No answer description available for this question.

Sachin P D said: (Feb 22, 2019)  
Muscotive is called as white mica or potash mica and biotite is known as black mica.

Shobha said: (Oct 8, 2020)  
Please explain this.

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