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Sodalite
Sodalite

Charlesite
Charlesite



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Sodalite
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Charlesite

Sodalite and Charlesite Optical Properties

1 Optical Properties
1.1 Luster
Greasy
Vitreous
1.2 Pleochroism
AbsentWalter Schumann
Nearly colorless to pale golden yellow
1.3 Dispersion
0.02NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent, Opaque
Not Available
1.5 Refractive Index
1.478-1.4881.492
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
cubic
Trigonal
1.8 Birefringence
Not AvailableNot Available
Achroite
0 0.296
1.9 Clarity
Transparent
Not Available

Sodalite and Charlesite Optic Character

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

Similar to their colors, Sodalite and Charlesite 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.