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Pleonaste
Pleonaste

Adamite
Adamite



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Pleonaste
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Adamite

Pleonaste and Adamite Optical Properties

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Optical Properties

Luster

-
Vitreous

Pleochroism

-
-

Dispersion

0.030.06
0.005 1
👆🏻

Transparency

-
Transparent

Refractive Index

1.7801.708-1.722
1 3.25
👆🏻

Optic Character

-
Biaxial/+

Crystal System

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Orthorhombic

Birefringence

-99990.031-0.050
0 0.296
👆🏻

Clarity

-
Transparent

Pleonaste and Adamite Optic Character

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

Pleonaste and Adamite Transparency

Similar to their colors, Pleonaste and Adamite 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.