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Bastnsite
Bastnsite

Verdite
Verdite



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Bastnsite
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Verdite

Bastnsite and Verdite Optical Properties

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Optical Properties

Luster

-
Vitreous, Silky

Pleochroism

-
Extreme

Dispersion

0.020.03
0.005 1
👆🏻

Transparency

-
Translucent

Refractive Index

1.72-1.821.580
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/c

Birefringence

-9999-9999
0 0.296
👆🏻

Clarity

-
Translucent

Bastnsite and Verdite Optic Character

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

Similar to their colors, Bastnsite and Verdite 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.