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Powellite
Powellite

Falcons Eye
Falcons Eye



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Powellite
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Falcons Eye

Powellite and Falcons Eye Optical Properties

Optical Properties

Luster

Greasy, Subadamantine
-

Pleochroism

In deeply colored specimens: blue greenAnthony et al
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Dispersion

0.030.05
0.005 1
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Transparency

Transparent
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Refractive Index

1.974-1.9841.534-1.540
1 3.25
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Optic Character

-
-

Crystal System

-
-

Birefringence

-9999-9999
0 0.296
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Clarity

Transparent
-

Powellite and Falcons Eye Optic Character

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

Powellite and Falcons Eye Transparency

Similar to their colors, Powellite and Falcons Eye 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, Powellite is Transparent while Powellite is Transparent in appearance.