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Bytownite
Bytownite

Nephrite
Nephrite



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Bytownite
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Nephrite

Bytownite and Nephrite Optical Properties

Optical Properties

Luster

Vitreous, Pearly
Vitreous, Greasy

Pleochroism

colorless.
None

Dispersion

0.010.01
0.005 1
👆🏻

Transparency

Transparent
Translucent

Refractive Index

1.561-1.5831.600-1.627
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Triclinic
monoclinic

Birefringence

0.010-0.0110.027
0 0.296
👆🏻

Clarity

Transparent
Translucent

Bytownite and Nephrite Optic Character

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

Similar to their colors, Bytownite and Nephrite 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.