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Bytownite
Bytownite

Apatite
Apatite



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Bytownite
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Apatite

Bytownite and Apatite Optical Properties

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Optical Properties

Luster

Vitreous, Pearly
Vitreous

Pleochroism

colorless.
Blue stones – strong

Dispersion

0.010.01
0.005 1
👆🏻

Transparency

Transparent
-

Refractive Index

1.561-1.5831.628-1.651
1 3.25
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Optic Character

-
-

Crystal System

Triclinic
Hexagonal

Birefringence

0.010-0.0110.002-0.008
0 0.296
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Clarity

Transparent
TransparentUlrich Henn and Claudio C. Milisenda

Bytownite and Apatite Optic Character

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

Similar to their colors, Bytownite and Apatite 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.