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Williamsite
Williamsite
☒

Hackmanite
Hackmanite
☒



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Williamsite
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Hackmanite
Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Waxy, Silky, Resinous, Greasy
-
0.03
TranslucentHerve Nicolas Lazzarelli
1.530-1.575
-
-
-9999
TranslucentHerve Nicolas Lazzarelli
 
Vitreous
-
0.03
-
1.483-1.487
-
-
-9999
Transparent