The yellow sapphire gemstone also known as pukhraj stone is an aluminum oxide (Al 2 O3). It’s specific gravity is 3.99 to 4.00 and refractive index range is 1.760-1.768 to 1.770-1.779. Its hardness on Mohs scale is 9. It’s the next hardest mineral after diamond.
Chemical Composition of Yellow Sapphire Stone (Pukhraj)
Yellow Sapphire is made up of aluminium oxide.
Gemological Properties of Yellow sapphire –
Chemical Composition – AL2O3 (Aluminium Oxide).
Color – Any shade of yellow, from pale yellow
color to dark organish golden to greenish
Species – Corundum
Density – 4.00
Birefringence – 0.008
Healing Properties of Yellow sapphire
Planet – Jupiter
Cosmic Color – Light Yellow
Day – Thursday
Time – Sunset
Chakra – 2nd, Ajna
– “Om Bhrim Brihaspataye Namah” repeated 108
times at the time of wearing the Yellow Sapphire
Element – Ether