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Eilat stone
Eilat stone

Andalusite
Andalusite



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Eilat stone
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Andalusite
Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
-
-
0.01
-
-9999
-
-
-9999
-
 
Vitreous, Greasy
strongly trichroic
0.02
Transparent, Translucent
1.627-1.650
-
Orthorhombic
0.009-0.010
Transparent