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Gahnospinel
Gahnospinel

Hexagonite
Hexagonite



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Gahnospinel
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Hexagonite
Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Vitreous
-
0.02
-
1.735-1.790
-
Isometric
-9999
TransparentUlrich Henn and Claudio C. Milisenda
 
Vitreous
bluish–red
-
Transparent
1.599-1.637
-
-
0.019-0.028
Transparent