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Albite
Albite

Brazilianite
Brazilianite



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Albite
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Brazilianite

Albite and Brazilianite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Pearly
Vitreous
1.2 Pleochroism
colorless.
Very weakWalter Schumann
1.3 Dispersion
1.000.01
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.525-1.5421.602-1.625
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Triclinic
monoclinic
1.8 Birefringence
0.008-0.0110.019-0.021
Achroite
0 0.296
1.9 Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda

Albite and Brazilianite Optic Character

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

Albite and Brazilianite Transparency

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