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Sulphur
Sulphur
☒

Prase
Prase
☒



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Sulphur
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Prase
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Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
-
-
0.02
TranslucentWalter Schumann
1.958-2.245
-
-
0.291
TranslucentWalter Schumann
 
-
-
0.01
Transparent, Translucent
1.544-1.553
-
-
0.009
Transparent