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Plasma
Plasma

Euclase
Euclase



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Plasma
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Euclase

Plasma and Euclase Optical Properties

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Optical Properties

Luster

-
Vitreous

Pleochroism

-
Weak: colorless-(greenish) yellow

Dispersion

0.020.02
0.005 1
👆🏻

Transparency

-
-

Refractive Index

-99991.650-1.677
1 3.25
👆🏻

Optic Character

-
-

Crystal System

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Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/a

Birefringence

-99990.019-0.025
0 0.296
👆🏻

Clarity

-
TransparentUlrich Henn and Claudio C. Milisenda

Plasma and Euclase Optic Character

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

Plasma and Euclase Transparency

Similar to their colors, Plasma and Euclase 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, Plasma is while Plasma is in appearance.