(a) quartz and mica only
(b) felspar and mica only
(c) quartz and felspar only
(d) quartz, felspar and mica

Ans. (d) :- quartz, felspar and mica

Explanation:- Granite are coarse grained intrusive igneous rocks that are light in colour. They consists 3 major minerals which are : Quartz, felspar and mica. They may be grey, red or pinkish which depends on the size of the grains and concentration of these minerals.
• Granite is largely used in architectural construction and for making ornaments due to its strength and
availability in large quantities. Density of granite – 2.6-2.9 g/cm3.