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Charlesite
Charlesite

Powellite
Powellite



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Charlesite
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Powellite

Charlesite and Powellite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Greasy, Subadamantine
1.2 Pleochroism
Nearly colorless to pale golden yellow
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
1.4921.974-1.984
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Not Available
1.8 Birefringence
Not AvailableNot Available
Achroite
0 0.296
1.9 Clarity
Not Available
Transparent

Charlesite and Powellite Optic Character

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

Charlesite and Powellite Transparency

Similar to their colors, Charlesite 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, Charlesite is Not Available while Charlesite is Not Available in appearance.