The President of India can be impeached by the Parliament before the expiry of the term for violation of the Constitution. Other than impeachment, no other penalty can be given to the President for the violation of the Constitution. No Indian President has faced impeachment proceedings.
IntroductionFeaturesIgneous rocksSedimentary rocksMetamorphic rocks. Quartzite is a metamorphic rock formed when quartz-rich sandstone or chert has been exposed to high temperatures and pressures. Such conditions fuse the quartz grains together forming a dense, hard, equigranular rock. The name quartzite implies not only a high degree of induration (hardness), but also a high quartz content.
1 I hope you were able to remember that quartz is made of silicon and oxygen, both combined in silica, with chemical formula SiO2, but with space arrangement of SiO4 units.  The mineral of which quartz is made is called silica, with the above composition SiO2.