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Austinite
Austinite

Verdelite
Verdelite



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Austinite
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Verdelite

Austinite and Verdelite Optical Properties

Optical Properties

Luster

Subadamantine, Silky
-

Pleochroism

-
Strong: dark green yellow

Dispersion

0.030.02
0.005 1
👆🏻

Transparency

-
Transparent, Translucent

Refractive Index

1.7591.614-1.666
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
-

Birefringence

0.0240.014-0.040
0 0.296
👆🏻

Clarity

-
Transparent

Austinite and Verdelite Optic Character

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

Austinite and Verdelite Transparency

Similar to their colors, Austinite and Verdelite 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, Austinite is while Austinite is in appearance.