Civil Engineering - Building Materials - Discussion

15. 

Pick up the correct characteristic of Pyroxene from the following:

[A]. It forms octagonal crystals
[B]. It converts to chlorine by hydration
[C]. Its density is 2.3 to 3.6 g/cm2
[D]. Its hardness is 5 to 6
[E]. All the above.

Answer: Option E

Explanation:

No answer description available for this question.

Vikas said: (Jun 21, 2017)  
The pyroxenes (commonly abbreviated to Px) are a group of important rock-forming inosilicate minerals found in many igneous and metamorphic rocks. Pyroxenes are silicon-aluminum oxides with Ca, Na, Fe, Mg, Zn, Mn, Li substituting for Si and Al.

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