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Hibonite
Hibonite

Wulfenite
Wulfenite



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Hibonite
X
Wulfenite
Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Vitreous
O = brownish gray; E = gray
0.02
-
1.79-1.807
-
Hexagonal
-9999
-
 
Adamantine, Resinous
Weak
0.03
Transparent
2.280-2.405
-
tetragonal
0.122
Transparent