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Padparadscha
Padparadscha

Alunite
Alunite



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Padparadscha
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Alunite

Padparadscha and Alunite Optical Properties

Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
-
-
0.02
Transparent, Translucent
1.757-1.780
-
-
0.007-0.010
Transparent
 
Vitreous, Pearly
-
0.02
-
1.572
-
Trigonal
0.020
-

Padparadscha and Alunite Optic Character

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

Padparadscha and Alunite Transparency

Similar to their colors, Padparadscha 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, Padparadscha is while Padparadscha is in appearance.