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Transvaal Jade and Vivianite Optical Properties


Vivianite and Transvaal Jade Optical Properties


Optical Properties

Luster
Not Available   
Vitreous, Pearly   

Pleochroism
Not Available   
Anomalous plechroism is strong with colours deep blue/pale yellowish green/yellowish green.Michael O’Donoghue   

Dispersion
0.03   
15
Not Available   

Transparency
Gemmological Tables (2004)   
Transparent   

Refractive Index
Not Available   
1.560-1.640   

Optic Character
Not Available   
Not Available   

Crystal System
Not Available   
Not Available   

Birefringence
Not Available   
0.054-0.075   

Clarity
TransparentUlrich Henn and Claudio C. Milisenda   
Transparent   

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Transvaal Jade and Vivianite Optic Character

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

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Transvaal Jade and Vivianite Transparency

Similar to their colors, Transvaal Jade and Vivianite 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, Transvaal Jade is Gemmological Tables (2004) while Transvaal Jade is Gemmological Tables (2004) in appearance.

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