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Vishnevite
Vishnevite

Chrysoberyl
Chrysoberyl



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Vishnevite
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Chrysoberyl

Vishnevite and Chrysoberyl Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Pearly
Vitreous
1.2 Pleochroism
Not Available
X = red; Y = yellow-orange; Z = emerald-green
1.3 Dispersion
NA0.02
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Transparent, Translucent, Transparent to translucent
1.5 Refractive Index
1.490-1.5071.746-1.763
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Biaxial/+
1.7 Crystal System
Hexagonal
Orthorhombic
1.8 Birefringence
0.002-0.0120.007-0.013
Achroite
0 0.296
1.9 Clarity
Not Available
Transparent

Vishnevite and Chrysoberyl Optic Character

Vishnevite and Chrysoberyl optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Vishnevite and Chrysoberyl 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 Chrysoberyl 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. Chrysoberyl has Biaxial/+ character.

Vishnevite and Chrysoberyl Transparency

Similar to their colors, Vishnevite and Chrysoberyl 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.