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Chrome-Chalcedony
Chrome-Chalcedony

Franklinite
Franklinite



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Chrome-Chalcedony
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Franklinite

Chrome-Chalcedony and Franklinite Optical Properties

Optical Properties

Luster

Waxy
-

Pleochroism

-
-

Dispersion

0.010.19
0.005 1
👆🏻

Transparency

Translucent
Translucent

Refractive Index

1.530-1.543-9999
1 3.25
👆🏻

Optic Character

-
-

Crystal System

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

Birefringence

0.003-0.009-9999
0 0.296
👆🏻

Clarity

Translucent
Translucent

Chrome-Chalcedony and Franklinite Optic Character

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

Chrome-Chalcedony and Franklinite Transparency

Similar to their colors, Chrome-Chalcedony 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, Chrome-Chalcedony is Translucent while Chrome-Chalcedony is Translucent in appearance.