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Prase
Prase

Augelite
Augelite



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Prase
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Augelite

Prase and Augelite Optical Properties

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Optical Properties

Luster

-
Pearly

Pleochroism

-
-

Dispersion

0.010.02
0.005 1
👆🏻

Transparency

Transparent, Translucent
-

Refractive Index

1.544-1.5531.570-1.591
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
-

Birefringence

0.0090.020-0.021
0 0.296
👆🏻

Clarity

Transparent
TransparentUlrich Henn and Claudio C. Milisenda

Prase and Augelite Optic Character

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

Prase and Augelite Transparency

Similar to their colors, Prase and Augelite 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, Prase is Transparent and Translucent while Prase is Transparent and Translucent in appearance.