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Wavellite
Wavellite

Franklinite
Franklinite



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Wavellite
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Franklinite

Wavellite and Franklinite Optical Properties

Optical Properties

Luster

Vitreous, Resinous, Pearly
-

Pleochroism

Weak
-

Dispersion

0.020.19
0.005 1
👆🏻

Transparency

-
Translucent

Refractive Index

1.518-1.561-9999
1 3.25
👆🏻

Optic Character

-
-

Crystal System

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

Birefringence

0.025-9999
0 0.296
👆🏻

Clarity

-
Translucent

Wavellite and Franklinite Optic Character

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

Wavellite and Franklinite Transparency

Similar to their colors, Wavellite 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, Wavellite is while Wavellite is in appearance.