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Alunite
Alunite

Moroxite
Moroxite



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Alunite
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Moroxite

Alunite and Moroxite Optical Properties

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Optical Properties

Luster

Vitreous, Pearly
-

Pleochroism

-
-

Dispersion

0.020.04
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.5721.628-1.651
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Trigonal
-

Birefringence

0.0200.002-0.008
0 0.296
👆🏻

Clarity

-
TransparentUlrich Henn and Claudio C. Milisenda

Alunite and Moroxite Optic Character

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

Alunite and Moroxite Transparency

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