COLOR:
Star Sapphire is Light to Dark Violet color
CHEMICAL COMPOSITION:
Al2O3 (Aluminium Oxide)
CUT
:
Round Cabochon
SPECIFIC GRAVITY:
3.95-4.1
REFRACTIVE INDEX:
1.762-1.77
HARDNESS:
9
Sizes available –
5mm,6mm, 7mm, 8mm, 9mm, 10mm, 12mm
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