Nepheline is igneous in origin which is rich in

A. Ca & Mg

B. Na & K

C. P & N

D. Fe & Mn

Answer: Option B

Solution(By Examveda Team)

Nepheline is a rock-forming mineral in the feldspathoid group-a silica-undersaturated aluminosilicate that occurs in intrusive and volcanic rocks with low silica and in their associated pegmatites.
Nepheline is igneous in origin and is rich in Na & K.
It is used in glass and ceramic manufacturing and other industries.