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Simpsonite
Simpsonite

Williamsite
Williamsite



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Simpsonite
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Williamsite
Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Adamantine
-
0.02
-
1.994-2.040
-
-
0.046
-
 
Waxy, Silky, Resinous, Greasy
-
0.03
TranslucentHerve Nicolas Lazzarelli
1.530-1.575
-
-
-9999
TranslucentHerve Nicolas Lazzarelli