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Vishnevite
Vishnevite

Ammolite
Ammolite



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Vishnevite
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Ammolite

Vishnevite and Ammolite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Pearly
Silky, Vitreous
1.2 Pleochroism
Not Available
None
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Not Available
1.5 Refractive Index
1.490-1.5071.520-1.670
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Hexagonal
Trigonal
1.8 Birefringence
0.002-0.0120.135-0.145
Achroite
0 0.296
1.9 Clarity
Not Available
Not Available

Vishnevite and Ammolite Optic Character

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

Vishnevite and Ammolite Transparency

Similar to their colors, Vishnevite and Ammolite 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, Vishnevite is Not Available while Vishnevite is Not Available in appearance.