100% Natural, Non-Treated, Sri-Lankan Blue Sapphire for potentiating the positive energies of planet Shani (Saturn) in one’s life, Astrologically Approved (Jyotish- Standard), No- Negative inclusions (According to the Ancient Gems healing Vedic Texts), Purified and energized with Vedic Shani (Saturn) Mantras (To purify and magnify the planetary Energies), Certified by Govt. Lab. Blue sapphires are made up of the mineral corundum, that is colored by trace elements of iron and titanium. This is how they get their beautiful color. As with all sapphires, they are incredibly tough and scratch resistant, and rate 9 on the Mohs scale (the third hardest mineral, right behind diamond at 10 and moissanite at 9.25).