JDMISGem Reference
Topaz · Topaz

Blue Topaz

Blue Topaz — Topaz

Blue topaz is the market's affordable blue faceted stone, made by irradiating and heating colourless topaz into Sky, Swiss and London Blue depths. Clean, bright, calibrated and cheap, it is always a treated product that must be disclosed.

Colour
blue
Transparency
Transparent
RI
1.619–1.627
SG
3.49–3.57
Mohs
8.0
Birthstone
November · December
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