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Stolzite and Vivianite Optical Properties


Vivianite and Stolzite Optical Properties


Optical Properties

Luster
Resinous, Subadamantine   
Vitreous, Pearly   

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

Dispersion
Not Available   
Not Available   

Transparency
Not Available   
Transparent   

Refractive Index
2.180-2.190   
1.560-1.640   

Optic Character
Not Available   
Not Available   

Crystal System
tetragonal   
Not Available   

Birefringence
0.090   
0.054-0.075   

Clarity
Not Available   
Transparent   

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Stolzite and Vivianite Optic Character

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

Similar to their colors, Stolzite 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, Stolzite is Not Available while Stolzite is Not Available in appearance.

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