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Powellite and Anglesite Optical Properties


Anglesite and Powellite Optical Properties


Optical Properties

Luster
Greasy, Subadamantine   
Adamantine   

Pleochroism
In deeply colored specimens: blue greenAnthony et al   
NilArthur Thomas   

Dispersion
Not Available   
0.04   
10

Transparency
Transparent   
Transparent   

Refractive Index
1.974-1.984   
1.877-1.894   

Optic Character
Not Available   
Not Available   

Crystal System
Not Available   
Orthorhombic   

Birefringence
Not Available   
0.017   

Clarity
Transparent   
Transparent   

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Powellite and Anglesite Optic Character

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

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Powellite and Anglesite Transparency

Similar to their colors, Powellite and Anglesite 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.

Blue Gemstones

Blue Gemstones


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