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Apatite
Apatite
☒

Sapphire
Sapphire
☒



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Apatite
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Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Vitreous
Blue stones – strong
0.01
-
1.628-1.651
-
Hexagonal
0.002-0.008
TransparentUlrich Henn and Claudio C. Milisenda
 
Vitreous, Adamantine
Strong
0.02
Transparent, Translucent, Transparent to opaque
1.762-1.788
-
Trigonal
0.008-0.009
Transparent

Compare Gems for Gemini » More

Gems for Gemini » More

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Pearl
Pearl
Sapphire
Sapphire
Serpentine
Serpentine

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Sapphire
Emerald
Sapphire Vs Emerald
Sapphire
Goshenite
Sapphire Vs Goshenite
Sapphire
Howlite
Sapphire Vs Howlite

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