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Franklinite
Franklinite
☒

Heliotrope
Heliotrope
☒



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Franklinite
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Heliotrope
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Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
-
-
0.19
Translucent
-9999
-
Isometric Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: F d3m
-9999
Translucent
 
Vitreous
-
0.01
-
1.53-1.54
-
Trigonal
0.004
-

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Heliotrope Vs Jadeite

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