Parad (Mercury) Shivling 100% Guaranty of Originality, Real parad / para / mercury is used to made it. Purity of Mercury is 85% Because 100% pure mercury stay in Liquid Form so we have to mix little bit Lead in it. Material :- Mercury.1 Parad Shivling It is necessary that a Shivlinga kept at home should be worshipped both the times of the day. If offering prayers to it both in the morning and in the evening is not possible, one should not keep it at home. Every morning after taking bath, a tilak with sandalwood paste should be applied on it.