JDMISGem Reference
Garnet · Andradite Garnet

Demantoid

Demantoid — Andradite Garnet

Demantoid is the green chromium andradite whose dispersion out-fires diamond and whose golden horsetail inclusions are a signature, not a flaw. Russian Ural stones are the most prestigious; clean stones over two carats are serious rarities.

Colour
green
Transparency
Transparent
RI
1.880–1.889
SG
3.81–3.90
Mohs
6.5–7.0
Birthstone
January
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