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Franklinite
Franklinite

Liddicoatite
Liddicoatite



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Franklinite
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Liddicoatite

Franklinite and Liddicoatite Optical Properties

Optical Properties

Luster

-
Vitreous

Pleochroism

-
Strong: dark brown light brownAnthony et al

Dispersion

0.190.01
0.005 1
👆🏻

Transparency

Translucent
Transparent

Refractive Index

-9999-9999
1 3.25
👆🏻

Optic Character

-
-

Crystal System

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

Birefringence

-9999-9999
0 0.296
👆🏻

Clarity

Translucent
Transparent

Franklinite and Liddicoatite Optic Character

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

Similar to their colors, Franklinite and Liddicoatite 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.