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Hbnerite
Hbnerite

Piemontite
Piemontite



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Hbnerite
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Piemontite

Hbnerite and Piemontite Optical Properties

Optical Properties

Luster

-
Vitreous

Pleochroism

-
visible

Dispersion

0.050.02
0.005 1
👆🏻

Transparency

Transparent
-

Refractive Index

2.17-2.321.725-1.756
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
monoclinic

Birefringence

-99990.025-0.076
0 0.296
👆🏻

Clarity

-
-

Hbnerite and Piemontite Optic Character

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

Hbnerite and Piemontite Transparency

Similar to their colors, Hbnerite and Piemontite 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, Hbnerite is Transparent while Hbnerite is Transparent in appearance.