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Carnallite
Carnallite

Chromite
Chromite



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Carnallite
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Chromite

Carnallite and Chromite Optical Properties

Optical Properties

Luster

Greasy
-

Pleochroism

-
none.

Dispersion

0.020.04
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.4672.08-2.16
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
Isometric

Birefringence

0.0270-9999
0 0.296
👆🏻

Clarity

-
-

Carnallite and Chromite Optic Character

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

Carnallite and Chromite Transparency

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