Crystal Shivlinga is the pure from of crystal and Lord Shiva who is known for his mercy. Lord Shiva removes our all sorrow and bad evils. Lord Shiva is the creator of this universe and goddess Parvati is her wife. Together both are called ShivaSakti. So by Crystal Shivlinga we get the blessings of Lord Shiva as well as goddess Parvati. Lord Shiva removes our all evils like anger and greed and blesses us with great power of wisdom and good luck.