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Pleonaste
Pleonaste

Axinite
Axinite



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Pleonaste
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Axinite

Pleonaste and Axinite Optical Properties

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Optical Properties

Luster

-
Vitreous

Pleochroism

-
Strong

Dispersion

0.030.02
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.7801.656-1.704
1 3.25
👆🏻

Optic Character

-
Biaxial/+

Crystal System

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Triclinic

Birefringence

-99990.009-0.012
0 0.296
👆🏻

Clarity

-
TransparentUlrich Henn and Claudio C. Milisenda

Pleonaste and Axinite Optic Character

Pleonaste and Axinite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Pleonaste and Axinite 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 Pleonaste and Axinite 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. Axinite has Biaxial/+ character.

Pleonaste and Axinite Transparency

Similar to their colors, Pleonaste and Axinite 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, Pleonaste is while Pleonaste is in appearance.