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Jeremejevite
Jeremejevite

Bastnsite
Bastnsite



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Jeremejevite
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Bastnsite

Jeremejevite and Bastnsite Optical Properties

Optical Properties

Luster

Vitreous
-

Pleochroism

Colorless
-

Dispersion

0.010.02
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.638-1.6501.72-1.82
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Hexagonal
-

Birefringence

0.0130-9999
0 0.296
👆🏻

Clarity

TransparentUlrich Henn and Claudio C. Milisenda
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Jeremejevite and Bastnsite Optic Character

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

Jeremejevite and Bastnsite Transparency

Similar to their colors, Jeremejevite 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, Jeremejevite is while Jeremejevite is in appearance.