JDMISGem Reference
Corundum · Corundum

Colourless Sapphire

Colourless Sapphire — Corundum

Colourless or white sapphire is pure corundum without chromophores, used widely as a natural diamond alternative in melee and side stones.

Colour
colourless to white
Transparency
Transparent
RI
1.762–1.770
SG
3.95–4.10
Mohs
9.0
Birthstone
July · September
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