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Augite
Augite

Pearl
Pearl



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Augite
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Pearl

Augite and Pearl Optical Properties

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Optical Properties

Luster

Vitreous, Resinous
Pearly

Pleochroism

Pale green
-

Dispersion

0.020.03
0.005 1
👆🏻

Transparency

Transparent, Translucent
Translucent, Opaque

Refractive Index

1.671-1.7741.52-1.66
1 3.25
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Optic Character

-
-

Crystal System

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

Birefringence

-99990.156
0 0.296
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Clarity

Transparent
Translucent

Augite and Pearl Optic Character

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

Augite and Pearl Transparency

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