Neelam- Gemstone for Saturn's Sadhey-sati

Neelam or Blue Sapphire is one of the most powerful and fastest acting stones, amongst the 9 planetary gemstones.Neelam is also referred to as Shanipriya and Sauri ratna,and is generally advised to be used for  those afflicted by Shani's sadhey-sati.However,it is always advisable to first consult an astrologer, before using this stone.For greater details one can view the original source:

 http://www.astromandir.com/bluesapphire.html