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Grossular
Grossular

Sodalite
Sodalite



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Sodalite

Grossular and Sodalite Optical Properties

1 Optical Properties
1.1 Luster
Greasy, Vitreous
Greasy
1.2 Pleochroism
None
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
1.730-1.7601.478-1.488
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
cubic
cubic
1.8 Birefringence
0.020Not Available
Achroite
0 0.296
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent

Grossular and Sodalite Optic Character

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

Grossular and Sodalite Transparency

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