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Bastnasite
Bastnasite

Diopside
Diopside



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Bastnasite
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Diopside

Bastnasite and Diopside Optical Properties

Optical Properties

Luster

Vitreous, Greasy, Pearly
Vitreous

Pleochroism

Faint
-

Dispersion

0.020.02
0.005 1
👆🏻

Transparency

-
Transparent, Translucent, Transparent . Star Diopside is opaque .

Refractive Index

1.717-1.7221.664-1.730
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Hexagonal
monoclinic

Birefringence

0.1000.024-0.030
0 0.296
👆🏻

Clarity

TransparentUlrich Henn and Claudio C. Milisenda
Transparent

Bastnasite and Diopside Optic Character

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

Bastnasite and Diopside Transparency

Similar to their colors, Bastnasite and Diopside 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, Bastnasite is while Bastnasite is in appearance.