JDMISGem Reference
Zircon · Zircon

Blue Zircon (Starlite)

Blue Zircon (Starlite) — Zircon

Blue zircon, sold historically as starlite, is made by heat-treating brown Cambodian rough. It is the most prized zircon colour, combining sky-to-steel blue with remarkable fire and obvious doubling.

Colour
blue
Transparency
Transparent
RI
1.925–1.984
SG
4.60–4.73
Mohs
6.0–7.5
Birthstone
December
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