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Franklinite
Franklinite

Wavellite
Wavellite



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Franklinite
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Wavellite

Franklinite and Wavellite Optical Properties

Optical Properties

Luster

-
Vitreous, Resinous, Pearly

Pleochroism

-
Weak

Dispersion

0.190.02
0.005 1
👆🏻

Transparency

Translucent
-

Refractive Index

-99991.518-1.561
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Isometric Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: F d3m
Orthorhombic

Birefringence

-99990.025
0 0.296
👆🏻

Clarity

Translucent
-

Franklinite and Wavellite Optic Character

Franklinite and Wavellite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Franklinite and Wavellite Physical Properties 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 Franklinite and Wavellite 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.

Franklinite and Wavellite Transparency

Similar to their colors, Franklinite and Wavellite 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, Franklinite is Translucent while Franklinite is Translucent in appearance.