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Ulexite
Ulexite

Carnallite
Carnallite



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Ulexite
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Carnallite

Ulexite and Carnallite Optical Properties

Optical Properties

Luster

-
Greasy

Pleochroism

-
-

Dispersion

0.060.02
0.005 1
👆🏻

Transparency

Transparent
-

Refractive Index

1.491-1.5201.467
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Orthorhombic

Birefringence

0.0290.0270
0 0.296
👆🏻

Clarity

Transparent
-

Ulexite and Carnallite Optic Character

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

Ulexite and Carnallite Transparency

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