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Jasper
Jasper

Alunite
Alunite



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Jasper
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Alunite

Jasper and Alunite Optical Properties

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1 Optical Properties
1.1 Luster
Vitreous
Vitreous, Pearly
1.2 Pleochroism
AbsentWalter Schumann
Not Available
1.3 Dispersion
NoneNA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Opaque
Not Available
1.5 Refractive Index
1.5401.572
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Trigonal
1.8 Birefringence
Not Available0.020
Achroite
0 0.296
1.9 Clarity
OpaqueHerve Nicolas Lazzarelli
Not Available

Jasper and Alunite Optic Character

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

Jasper and Alunite Transparency

Similar to their colors, Jasper 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, Jasper is Opaque while Jasper is Opaque in appearance.