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Taaffeite
Taaffeite

Sodalite
Sodalite



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Taaffeite
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Sodalite

Taaffeite and Sodalite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Greasy
1.2 Pleochroism
Weak
AbsentWalter Schumann
1.3 Dispersion
0.020.02
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004) More from other references
Transparent, Translucent, Opaque
1.5 Refractive Index
1.70-1.731.478-1.488
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Hexagonal
cubic
1.8 Birefringence
0.055Not Available
Achroite
0 0.296
1.9 Clarity
Color grading system
Transparent

Taaffeite and Sodalite Optic Character

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

Taaffeite and Sodalite Transparency

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