JDMISGem Reference
Organic · Tortoiseshell

Tortoise Shell

Tortoise Shell — Tortoiseshell

Genuine tortoiseshell - mottled translucent hawksbill keratin - is a banned antique-only material whose depth of mottling, lightness and burnt-hair hot point unmask the plastic imitations that replaced it.

Colour
brown
Transparency
Semitransparent to translucent
RI
1.550
SG
1.26–1.35
Mohs
2.5
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