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Marialite
Marialite

Brazilianite
Brazilianite



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Marialite
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Brazilianite

Marialite and Brazilianite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Pearly, Resinous
Vitreous
1.2 Pleochroism
Not Available
Very weakWalter Schumann
1.3 Dispersion
NA0.01
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.540-1.5501.602-1.625
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
tetragonal
monoclinic
1.8 Birefringence
0.004-0.0080.019-0.021
Achroite
0 0.296
1.9 Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda

Marialite and Brazilianite Optic Character

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

Marialite and Brazilianite Transparency

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