Q665
Nepheline is igneous in origin which is rich in
A.
Ca & Mg
B.
Na & K
AnswerC.
P & N
D.
Fe & Mn
Answer: Option B
Solution
Answer: Option B
Solution:
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.