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Augelite
Augelite

Pearl
Pearl



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Augelite
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Pearl

Augelite and Pearl Optical Properties

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Optical Properties

Luster

Pearly
Pearly

Pleochroism

-
-

Dispersion

0.020.03
0.005 1
👆🏻

Transparency

-
Translucent, Opaque

Refractive Index

1.570-1.5911.52-1.66
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Orthorhombic

Birefringence

0.020-0.0210.156
0 0.296
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Clarity

TransparentUlrich Henn and Claudio C. Milisenda
Translucent

Augelite and Pearl Optic Character

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

Augelite and Pearl Transparency

Similar to their colors, Augelite and Pearl 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, Augelite is while Augelite is in appearance.