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Jade
Jade

Dravite
Dravite



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Jade and Dravite Optical Properties

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1 Optical Properties
1.1 Luster
Vitreous
Vitreous
1.2 Pleochroism
AbsentWalter Schumann
Very strong: pale yellow colorless
1.3 Dispersion
Albite Optical ..
None
Rank: N/A (Overall)
0.02
Rank: 22 (Overall)
Fluorite Optical Properties
1.4 Transparency
Translucent, Translucent to opaque
Transparent
1.5 Refractive Index
1.600-1.688
1.614-1.666
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
Trigonal Ditrigonal Pyramidal H-M Symbol (3m) Space Group: R 3m
1.8 Birefringence
0.020-0.027
0.014-0.032
1.9 Clarity
Translucent
Transparent

Jade and Dravite Optic Character

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

Jade and Dravite Transparency

Similar to their colors, Jade and Dravite 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, Jade is Translucent and Translucent to opaque while Jade is Translucent and Translucent to opaque in appearance.