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Bastnsite
Bastnsite

Anorthite
Anorthite



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Bastnsite
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Anorthite

Bastnsite and Anorthite Optical Properties

Optical Properties

Luster

-
Vitreous

Pleochroism

-
colorless.

Dispersion

0.020.01
0.005 1
👆🏻

Transparency

-
Transparent

Refractive Index

1.72-1.821.575-1.588
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Triclinic

Birefringence

-99990.012-0.013
0 0.296
👆🏻

Clarity

-
Transparent

Bastnsite and Anorthite Optic Character

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

Bastnsite and Anorthite Transparency

Similar to their colors, Bastnsite and Anorthite 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, Bastnsite is while Bastnsite is in appearance.