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Sodalite
Sodalite

Smithsonite
Smithsonite



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Sodalite
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Smithsonite

Sodalite and Smithsonite Optical Properties

1 Optical Properties
1.1 Luster
Greasy
Vitreous, Pearly
1.2 Pleochroism
AbsentWalter Schumann
AbsentWalter Schumann
1.3 Dispersion
Albite Optical ..
0.02
Rank: 21 (Overall)
0.01
Rank: 26 (Overall)
Fluorite Optical Properties
1.4 Transparency
Transparent, Translucent, Opaque
Translucent
1.5 Refractive Index
1.478-1.488
1.620-1.850
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
cubic
Trigonal
1.8 Birefringence
Not Available
0.223-0.227
1.9 Clarity
Transparent
Translucent

Sodalite and Smithsonite Optic Character

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

Sodalite and Smithsonite Transparency

Similar to their colors, Sodalite and Smithsonite 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, Sodalite is Opaque, Translucent and Transparent while Sodalite is Opaque, Translucent and Transparent in appearance.