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Goshenite
Goshenite

Hackmanite
Hackmanite



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Goshenite
X
Hackmanite
Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Vitreous
-
0.01
Transparent
1.562-1.615
-
Hexagonal
0.003-0.010
Transparent
 
Vitreous
-
0.03
-
1.483-1.487
-
-
-9999
Transparent