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Pleonaste
Pleonaste

Augite
Augite



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Pleonaste
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Augite

Pleonaste and Augite Optical Properties

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Optical Properties

Luster

-
Vitreous, Resinous

Pleochroism

-
Pale green

Dispersion

0.030.02
0.005 1
👆🏻

Transparency

-
Transparent, Translucent

Refractive Index

1.7801.671-1.774
1 3.25
👆🏻

Optic Character

-
-

Crystal System

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Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/c

Birefringence

-9999-9999
0 0.296
👆🏻

Clarity

-
Transparent

Pleonaste and Augite Optic Character

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

Pleonaste and Augite Transparency

Similar to their colors, Pleonaste and Augite 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.