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Bytownite
Bytownite

Vishnevite
Vishnevite



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Bytownite
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Vishnevite

Bytownite and Vishnevite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Pearly
Vitreous, Pearly
1.2 Pleochroism
colorless.
Not Available
1.3 Dispersion
0.01NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Not Available
1.5 Refractive Index
1.561-1.5831.490-1.507
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Triclinic
Hexagonal
1.8 Birefringence
0.010-0.0110.002-0.012
Achroite
0 0.296
1.9 Clarity
Transparent
Not Available

Bytownite and Vishnevite Optic Character

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

Bytownite and Vishnevite Transparency

Similar to their colors, Bytownite and Vishnevite 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, Bytownite is Transparent while Bytownite is Transparent in appearance.