JDMISGem Reference
Spinel · Spinel

Red Spinel

Red Spinel — Spinel

Red spinel is the chromium-red lookalike that filled royal coffers as ruby for centuries — today prized on its own merits, with Mogok and Mahenge stones leading the market.

Colour
red
Transparency
Transparent
RI
1.712–1.736
SG
3.58–3.98
Mohs
8.0
Birthstone
August
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