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Forsterite
Forsterite
☒

Tortoiseshell
Tortoiseshell
☒



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Forsterite
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Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Vitreous
colorless.
0.02
Transparent
1.635-1.671
-
Orthorhombic
0.033-0.042
Transparent
 
-
-
0.01
-
1.540-1.560
-
-
-9999
OpaqueUlrich Henn and Claudio C. Milisenda

Compare Green Gemstones

Green Gemstones

Hemimorphite
Hemimorphite
Hiddenite
Hiddenite
Hurlbutite
Hurlbutite
Tortoiseshell
Gaspite
Tortoiseshell Vs Gaspite
Tortoiseshell
Glass
Tortoiseshell Vs Glass
Tortoiseshell
Grandidierite
Tortoiseshell Vs Grandidierite

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