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Bastnsite
Bastnsite

Moissanite
Moissanite



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Bastnsite
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Moissanite

Bastnsite and Moissanite Optical Properties

Optical Properties

Luster

-
Adamantine

Pleochroism

-
-

Dispersion

0.020.10
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.72-1.822.648-2.691
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
6H polytype

Birefringence

-99990.043
0 0.296
👆🏻

Clarity

-
TransparentUlrich Henn and Claudio C. Milisenda

Bastnsite and Moissanite Optic Character

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

Similar to their colors, Bastnsite and Moissanite 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.