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Powellite
Powellite

Ruby
Ruby



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Powellite
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Ruby

Powellite and Ruby Optical Properties

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1 Optical Properties
1.1 Luster
Greasy, Subadamantine
Vitreous, Adamantine, Vitreous, Adamantine
1.2 Pleochroism
In deeply colored specimens: blue greenAnthony et al
Strong: purplish-red
1.3 Dispersion
NA0.02
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Transparent, Translucent, Transparent to opaque
1.5 Refractive Index
1.974-1.9841.762-1.778
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Trigonal
1.8 Birefringence
Not Available0.008
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent

Powellite and Ruby Optic Character

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

Similar to their colors, Powellite and Ruby 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.