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Brazilianite and Triplite Optical Properties


Triplite and Brazilianite Optical Properties


Optical Properties

Luster
Vitreous   
Vitreous   

Pleochroism
Very weakWalter Schumann   
DistinctArthur Thomas   

Dispersion
0.01   
26
Not Available   

Transparency
Gemmological Tables (2004) More from other references   
Translucent   

Refractive Index
1.602-1.625   
1.643-1.703   

Optic Character
Not Available   
Not Available   

Crystal System
monoclinic   
Not Available   

Birefringence
0.019-0.021   
0.020   

Clarity
TransparentUlrich Henn and Claudio C. Milisenda   
Translucent   

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Brazilianite and Triplite Optic Character

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

Similar to their colors, Brazilianite and Triplite 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, Brazilianite is Gemmological Tables (2004) More from other references while Brazilianite is Gemmological Tables (2004) More from other references in appearance.

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