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Sodalite
Sodalite

Azurite
Azurite



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Sodalite
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Azurite

Sodalite and Azurite Optical Properties

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1 Optical Properties
1.1 Luster
Greasy
Vitreous
1.2 Pleochroism
AbsentWalter Schumann
Visible shades of blue
1.3 Dispersion
0.02NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent, Opaque
Transparent, Translucent
1.5 Refractive Index
1.478-1.4881.720-1.850
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
cubic
monoclinic
1.8 Birefringence
Not Available0.108
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent

Sodalite and Azurite Optic Character

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

Similar to their colors, Sodalite and Azurite 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.