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Vermeil
Vermeil

Powellite
Powellite



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Vermeil
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Powellite

Vermeil and Powellite Optical Properties

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1 Optical Properties
1.1 Luster
Not Available
Greasy, Subadamantine
1.2 Pleochroism
Not Available
In deeply colored specimens: blue greenAnthony et al
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Transparent
1.5 Refractive Index
Not Available1.974-1.984
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Not Available
1.8 Birefringence
Not AvailableNot Available
Achroite
0 0.296
1.9 Clarity
Not Available
Transparent

Vermeil and Powellite Optic Character

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

Vermeil and Powellite Transparency

Similar to their colors, Vermeil and Powellite 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, Vermeil is Not Available while Vermeil is Not Available in appearance.