Blue Sapphire (नीलम)


Blue Sapphire Facts-
Blue sapphire belongs to the mineral species corundum. The mineral corundum is composed only of aluminum and oxygen, and it requires a growth environment that’s free of silicon. It can be a pure blue or ranges from greenish blue to violetish blue. Both blue and fancy sapphires come from a variety of exotic sources including Madagascar, Tanzania, Sri Lanka, Myanmar, and Australia. Good Quality Blue Sapphires are most expensive & desirable among all color sapphires.

Blue Sapphire Properties-

Hardness : 9 (Moh’s scale of hardness)
Optic Character : Anisotropic
Refractive Index (RI) : 1.760 – 1.778.
Birefringence : 0.007 – 0.010.
Specific gravity : 3.99 – 4.01.

Inclusions in Natural Blue Sapphire
It has inclusions like included crystals, Zircon halos, Rutile needles, Rutile silk etc. These inclusions in the stone clearly indicate its natural origin.

Showing 1–16 of 20 results