One should wear a minimum of 2carat Blue Sapphire when wearing this gem as an astrological remedy. Neelam should be worn on silver or gold. Neelam gemstone ring should be put in a copper vessel on Friday night in sweetened unboiled milk and gangajal mixture and worn on the middle finger on Saturday after praying to bhagwan shankar and removing it from the vessel. Also chant Shani Mantra 108 times. The Mantra for Shani or saturn is "OM RAVI PUTRAYA VIDMAHE YAMAGRAJAYA DHEEMAHEE, THANNO SANI PRACHODAYAT" and "OM KRAAM KREEM KROUM SAHA SANIYAI NAMAHA". The Saturn (Shani) mantra should be recited every Saturday during the first hour from sunrise for 8 continuous Saturdays to charge the Stone.The best effects of the stone is up to 5 years of wearing the stone. Blue Sapphire should not be worn along with Ruby, Pearl, Red Coral or their substitute stones. It is advisable to wear the Blue Sapphire Gemstone only after the consultation with an expert in Astrology.