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Star Ruby
Star Ruby

Powellite
Powellite



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Star Ruby
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Powellite

Star Ruby and Powellite Optical Properties

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
Transparent, Translucent
Transparent
1.5 Refractive Index
1.757-1.7801.974-1.984
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Not Available
1.8 Birefringence
0.007-0.010Not Available
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent

Star Ruby and Powellite Optic Character

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

Star Ruby and Powellite Transparency

Similar to their colors, Star Ruby 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, Star Ruby is Translucent and Transparent while Star Ruby is Translucent and Transparent in appearance.