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Ulexite
Ulexite

Sard
Sard



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Ulexite
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Sard

Ulexite and Sard Optical Properties

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Optical Properties

Luster

-
Waxy

Pleochroism

-
-

Dispersion

0.060.01
0.005 1
👆🏻

Transparency

Transparent
Translucent

Refractive Index

1.491-1.5201.535-1.539
1 3.25
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Optic Character

-
-

Crystal System

-
-

Birefringence

0.0290.008-0.010
0 0.296
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Clarity

Transparent
Translucent

Ulexite and Sard Optic Character

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

Similar to their colors, Ulexite and Sard 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.