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Moldavite and Brazilianite Optical Properties


Brazilianite and Moldavite Optical Properties


Optical Properties

Luster
Vitreous   
Vitreous   

Pleochroism
Absent   
Very weakWalter Schumann   

Dispersion
None   
0.01   
26

Transparency
Transparent, Translucent   
Gemmological Tables (2004) More from other references   

Refractive Index
1.48-1.54   
1.602-1.625   

Optic Character
Not Available   
Not Available   

Crystal System
Amorphous   
monoclinic   

Birefringence
Not Available   
0.019-0.021   

Clarity
Transparent   
TransparentUlrich Henn and Claudio C. Milisenda   

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Moldavite and Brazilianite Optic Character

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

Similar to their colors, Moldavite and Brazilianite 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, Moldavite is Translucent and Transparent while Moldavite is Translucent and Transparent in appearance.

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