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Jadeite
Jadeite

Powellite
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Jadeite and Powellite Optical Properties

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1 Optical Properties
1.1 Luster
Pearly
Greasy, Subadamantine
1.2 Pleochroism
NilArthur Thomas
In deeply colored specimens: blue greenAnthony et al
1.3 Dispersion
Albite Optical ..
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Translucent
Transparent
1.5 Refractive Index
1.652-1.688
1.974-1.984
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
Not Available
1.8 Birefringence
0.013-0.020
Not Available
1.9 Clarity
Translucent
Transparent

Jadeite and Powellite Optic Character

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

Jadeite and Powellite Transparency

Similar to their colors, Jadeite 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, Jadeite is Translucent while Jadeite is Translucent in appearance.