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Serendibite
Serendibite

Iolite
Iolite



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Serendibite
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Iolite

Serendibite and Iolite Optical Properties

Optical Properties

Luster

Vitreous
Vitreous

Pleochroism

visible
-

Dispersion

0.020.02
0.005 1
👆🏻

Transparency

-
Transparent, Translucent, Transparent to translucent

Refractive Index

1.696-1.7021.52-1.56
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Triclinic
Orthorhombic

Birefringence

0.005-9999
0 0.296
👆🏻

Clarity

TransparentUlrich Henn and Claudio C. Milisenda
Transparent to translucent

Serendibite and Iolite Optic Character

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

Serendibite and Iolite Transparency

Similar to their colors, Serendibite and Iolite 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, Serendibite is while Serendibite is in appearance.