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Powellite
Powellite

Azurite
Azurite



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Powellite
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Azurite

Powellite and Azurite Optical Properties

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Optical Properties

Luster

Greasy, Subadamantine
Vitreous

Pleochroism

In deeply colored specimens: blue greenAnthony et al
Visible shades of blue

Dispersion

0.030.03
0.005 1
👆🏻

Transparency

Transparent
Transparent, Translucent

Refractive Index

1.974-1.9841.720-1.850
1 3.25
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Optic Character

-
-

Crystal System

-
monoclinic

Birefringence

-99990.108
0 0.296
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Clarity

Transparent
Transparent

Powellite and Azurite Optic Character

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

Similar to their colors, Powellite and Azurite 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.