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Gedrite
Gedrite

Franklinite
Franklinite



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Gedrite
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Franklinite

Gedrite and Franklinite Optical Properties

Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Vitreous
Weak to moderate
0.02
Transparent
1.625-1.718
-
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma
-9999
Transparent
 
-
-
0.19
Translucent
-9999
-
Isometric Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: F d3m
-9999
Translucent

Gedrite and Franklinite Optic Character

Gedrite and Franklinite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Gedrite Vs Franklinite like crystallographic symmetry, pleochroism,etc. in the crystal. Some of the optical properties are refractive index, luster, optic character, pleochroism etc. Prominent among these is Gedrite and Franklinite optic character. You might have noticed your gemologist rotating the gemstone while testing it. Rotating a gemstone along its optic axis helps in determining its optic character.

Gedrite and Franklinite Transparency

Similar to their colors, Gedrite and Franklinite transparency can also be used as criteria for their primary identification. Although transparency cannot be the only criteria for gemstone identification, it can efficiently used in gemstone grading. Talking about their transparency, Gedrite is while Gedrite is in appearance.