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Hanksite
Hanksite

Bastnsite
Bastnsite



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Hanksite
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Bastnsite

Hanksite and Bastnsite Optical Properties

Optical Properties

Luster

Vitreous
-

Pleochroism

-
-

Dispersion

0.030.02
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.4811.72-1.82
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Hexagonal
-

Birefringence

0.020-9999
0 0.296
👆🏻

Clarity

-
-

Hanksite and Bastnsite Optic Character

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

Hanksite and Bastnsite Transparency

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