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Star Sapphire
Star Sapphire
☒

Amblygonite
Amblygonite
☒



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Star Sapphire
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Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
-
-
0.02
Transparent, Translucent
1.758-1.780
-
-
0.007-0.010
Transparent
 
Vitreous, Pearly
weak to none
0.01
-
1.578-1.646
Biaxial/+
Triclinic
0.020-0.030
TransparentUlrich Henn and Claudio C. Milisenda

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Amblygonite Vs Verdite

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