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Chromite
Chromite

Rubellite
Rubellite



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Chromite
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Rubellite

Chromite and Rubellite Optical Properties

Optical Properties

Luster

-
-

Pleochroism

none.
Strong: dark red pinkish-redHerve Nicolas Lazzarelli

Dispersion

0.040.02
0.005 1
👆🏻

Transparency

-
Transparent, Translucent

Refractive Index

2.08-2.161.614-1.666
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Isometric
-

Birefringence

-99990.014-0.040
0 0.296
👆🏻

Clarity

-
Transparent

Chromite and Rubellite Optic Character

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

Chromite and Rubellite Transparency

Similar to their colors, Chromite and Rubellite 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, Chromite is while Chromite is in appearance.