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Celestine
Celestine

Sunstone
Sunstone



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Celestine
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Sunstone

Celestine and Sunstone Optical Properties

Optical Properties

Luster

Vitreous, Pearly
Vitreous

Pleochroism

Weakly trichroiC
Weak or absentWalter Schumann

Dispersion

0.010.01
0.005 1
👆🏻

Transparency

-
Transparent, Translucent, Transparent to translucent

Refractive Index

1.619-1.6351.53-1.55
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
Triclinic

Birefringence

0.004-0.0120.007-0.010
0 0.296
👆🏻

Clarity

-
Transparent to translucent

Celestine and Sunstone Optic Character

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

Similar to their colors, Celestine and Sunstone 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.