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White topaz
White topaz
☒

Hanksite
Hanksite
☒



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White topaz
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Hanksite
Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
-
-
0.01
-
-9999
-
-
-9999
-
 
Vitreous
-
0.03
-
1.481
-
Hexagonal
0.020
-