Which primary mineral having huge importance in terms of plant nutrition?

A. Feldspar

B. Olivine

C. Pyroxene

D. Amphibole

Answer: Option D

Solution(By Examveda Team)

Amphibole is a primary mineral having huge importance in terms of plant nutrition.
It is a group of inosilicate minerals, form prism or needle-like crystals. Amphiboles are the primary constituent of amphibolites. It is a major group of hydrous minerals that occurs in a wide range of rock types.