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Violane and Ludlamite Optical Properties


Ludlamite and Violane Optical Properties


Optical Properties

Luster
Not Available   
Vitreous, Pearly   

Pleochroism
Not Available   
NilArthur Thomas   

Dispersion
Not Available   
Not Available   

Transparency
Translucent   
Gemmological Tables (2004) More from other references   

Refractive Index
1.668-1.703   
1.653-1.693   

Optic Character
Not Available   
Not Available   

Crystal System
Not Available   
monoclinic   

Birefringence
0.024-0.030   
0.038-0.044   

Clarity
Translucent   
TransparentUlrich Henn and Claudio C. Milisenda   

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Violane and Ludlamite Optic Character

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

Similar to their colors, Violane and Ludlamite 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, Violane is Translucent while Violane is Translucent in appearance.

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