It said in brahma purana that one who worships mercury Parad Shivling devotedly, whether one is male or female, brahmin, kshatriya, vaishya, or shudra gets full wordly pleasures, and at last attains supreme destination (salvation). During life-span they get glory, honour, high office, name and fames, sons grandsons, and learnings.
Parad Shivling is unparalleled & unique blessings to the human beings by the gods above. One can attain wealth, family, and prestige by making efforts during its lifetime. But to obtain a Parad Shivling, which has been established by a proven parad (mercury), is a sign of happiness. Only by having its darshan (look) all the sins of the past life gets diminished. And delight keeps on rising.
Generally it is the most difficult to make pure form of parad (mercury). And for the purpose of making it in a solid form, the same is required to be passed from various complicated processing. When a human being establishes such a proven Parad Shivling in his house, it establishes transmigration and beatification supernatural powers in life for the generations behind as well as for those future generations. And it provides establishment of laxmi (money). A human being wishing to obtain happiness in his life by mode of financial, commercial, physical or spiritual aspects, then Parad Shivling must be established in his house.