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Sodalite
Sodalite

Agate
Agate



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Sodalite
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Agate

Sodalite and Agate Optical Properties

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1 Optical Properties
1.1 Luster
Greasy
Vitreous
1.2 Pleochroism
AbsentWalter Schumann
Absent
1.3 Dispersion
0.02None
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent, Opaque
Translucent
1.5 Refractive Index
1.478-1.4881.530-1.543
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
cubic
Trigonal
1.8 Birefringence
Not Available0.004
Achroite
0 0.296
1.9 Clarity
Transparent
Translucent

Sodalite and Agate Optic Character

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

Similar to their colors, Sodalite and Agate 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.