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Moldavite
Moldavite

Brazilianite
Brazilianite



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Moldavite
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Brazilianite

Moldavite and Brazilianite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous
1.2 Pleochroism
Absent
Very weakWalter Schumann
1.3 Dispersion
None0.01
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.48-1.541.602-1.625
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Amorphous
monoclinic
1.8 Birefringence
Not Available0.019-0.021
Achroite
0 0.296
1.9 Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda

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.

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.