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Sodalite
Sodalite

Inderite
Inderite



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Sodalite and Inderite Optical Properties

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1 Optical Properties
1.1 Luster
Greasy
Vitreous, Pearly, Greasy
1.2 Pleochroism
AbsentWalter Schumann
Not Available
1.3 Dispersion
Albite Optical ..
0.02
Rank: 21 (Overall)
Not Available
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Transparent, Translucent, Opaque
Gemmological Tables (2004)
1.5 Refractive Index
1.478-1.488
1.488-1.505
1.6 Optic Character
Not Available
Biaxial/+
1.7 Crystal System
cubic
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/a
1.8 Birefringence
Not Available
0.017
1.9 Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda

Sodalite and Inderite Optic Character

Sodalite and Inderite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Sodalite and Inderite 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 Inderite 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. Inderite has Biaxial/+ character.

Sodalite and Inderite Transparency

Similar to their colors, Sodalite and Inderite 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.