Sodalite and Seraphinite Optical Properties

Sodalite

Seraphinite

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1 Optical Properties

1.1 Luster

Greasy

Pearly, Greasy

1.2 Pleochroism

AbsentWalter Schumann

Not Available

1.3 Dispersion

0.02NA

0.007 1

1.4 Transparency

Transparent, Translucent, Opaque

Transparent

1.5 Refractive Index

1.478-1.4881.571-1.597

1 3.25

1.6 Optic Character

Not Available

Biaxial/+

1.7 Crystal System

cubic

Not Available

1.8 Birefringence

Not AvailableNot Available

0 0.296

1.9 Clarity

Transparent

Sodalite and Seraphinite Optic Character

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

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Sodalite and Seraphinite Transparency

Similar to their colors, Sodalite and Seraphinite 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.