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Danburite
Danburite

Bytownite
Bytownite



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Danburite
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Bytownite

Danburite and Bytownite Optical Properties

Optical Properties

Luster

Vitreous, Greasy
Vitreous, Pearly

Pleochroism

Weak: pale yellow yellow
colorless.

Dispersion

0.020.01
0.005 1
👆🏻

Transparency

-
Transparent

Refractive Index

1.627-1.6391.561-1.583
1 3.25
👆🏻

Optic Character

Biaxial/+
-

Crystal System

Orthorhombic
Triclinic

Birefringence

0.0060.010-0.011
0 0.296
👆🏻

Clarity

TransparentUlrich Henn and Claudio C. Milisenda
Transparent

Danburite and Bytownite Optic Character

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

Danburite and Bytownite Transparency

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