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Franklinite
Franklinite

Turquoise
Turquoise



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Franklinite
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Turquoise

Franklinite and Turquoise Optical Properties

Optical Properties

Luster

-
Waxy

Pleochroism

-
Weak

Dispersion

0.190.03
0.005 1
👆🏻

Transparency

Translucent
Translucent, Opaque

Refractive Index

-99991.610-1.650
1 3.25
👆🏻

Optic Character

-
-

Crystal System

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

Birefringence

-99990.040
0 0.296
👆🏻

Clarity

Translucent
Translucent

Franklinite and Turquoise Optic Character

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

Similar to their colors, Franklinite and Turquoise 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.