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Goshenite
Goshenite

Alunite
Alunite



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Goshenite
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Alunite

Goshenite and Alunite Optical Properties

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1 Optical Properties
1.1 Luster
Vitreous
Vitreous, Pearly
1.2 Pleochroism
Not Available
Not Available
1.3 Dispersion
0.01NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Not Available
1.5 Refractive Index
1.562-1.6151.572
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Hexagonal
Trigonal
1.8 Birefringence
0.003-0.0100.020
Achroite
0 0.296
1.9 Clarity
Transparent
Not Available

Goshenite and Alunite Optic Character

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

Goshenite and Alunite Transparency

Similar to their colors, Goshenite 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, Goshenite is Transparent while Goshenite is Transparent in appearance.