Which of the followings is a secondary mineral

Solution (By Examveda Team)

Dolomite is a secondary mineral among the given options.
When rock minerals undergo a transformation process due to the change in temperature and pressure like metamorphism and weathering, the newly created stable minerals are known as secondary minerals.
Dolomite is an anhydrous carbonate mineral composed of calcium and magnesium carbonate. It is sedimentary carbonate rock.