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Bayldonite
Bayldonite

Allanite
Allanite



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Bayldonite
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Allanite

Bayldonite and Allanite Optical Properties

Optical Properties

Luster

Resinous
-

Pleochroism

-
-

Dispersion

0.030.02
0.005 1
👆🏻

Transparency

-
-

Refractive Index

-99991
1 3.25
👆🏻

Optic Character

-
-

Crystal System

monoclinic
-

Birefringence

-99990.013-0.036
0 0.296
👆🏻

Clarity

-
-

Bayldonite and Allanite Optic Character

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

Bayldonite and Allanite Transparency

Similar to their colors, Bayldonite and Allanite 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, Bayldonite is while Bayldonite is in appearance.