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Wardite
Wardite

Alunite
Alunite



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Wardite
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Alunite

Wardite and Alunite Optical Properties

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Optical Properties

Luster

Vitreous
Vitreous, Pearly

Pleochroism

-
-

Dispersion

0.010.02
0.005 1
👆🏻

Transparency

Transparent
-

Refractive Index

1.590-1.5991.572
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Trigonal

Birefringence

0.0090.020
0 0.296
👆🏻

Clarity

Transparent
-

Wardite and Alunite Optic Character

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

Wardite and Alunite Transparency

Similar to their colors, Wardite and Alunite 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, Wardite is Transparent while Wardite is Transparent in appearance.