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Celestine
Celestine

Afghanite
Afghanite



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Celestine
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Afghanite

Celestine and Afghanite Optical Properties

Optical Properties

Luster

Vitreous, Pearly
Vitreous

Pleochroism

Weakly trichroiC
-

Dispersion

0.010.02
0.005 1
👆🏻

Transparency

-
Transparent

Refractive Index

1.619-1.6351.523
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
Trigonal

Birefringence

0.004-0.0120.006
0 0.296
👆🏻

Clarity

-
Transparent

Celestine and Afghanite Optic Character

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

Celestine and Afghanite Transparency

Similar to their colors, Celestine and Afghanite 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, Celestine is while Celestine is in appearance.