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Forsterite
Forsterite

Sapphire
Sapphire



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Forsterite
X
Sapphire
1 Optical Properties
1.1 Luster
Vitreous
Vitreous, Adamantine, Vitreous, Adamantine
1.2 Pleochroism
colorless.
Strong
1.3 Dispersion
NA0.02
Fluorite Optical Properties
0.007 1
2.6 Transparency
Transparent
Transparent, Translucent, Transparent to opaque
2.9 Refractive Index
1.635-1.6711.762-1.788
Agate Opal
1 3.25
2.10 Optic Character
Not Available
Not Available
2.11 Crystal System
Orthorhombic
Trigonal
2.12 Birefringence
0.033-0.0420.008-0.009
Achroite
0 0.296
3.4 Clarity
Transparent
Transparent