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Ceylonite
Ceylonite

Grandidierite
Grandidierite



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Ceylonite
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Grandidierite

Ceylonite and Grandidierite Optical Properties

Optical Properties

Luster

Vitreous
Vitreous, Pearly

Pleochroism

Absent
visible

Dispersion

0.020.04
0.005 1
👆🏻

Transparency

Transparent, Translucent
-

Refractive Index

1.770-1.7801.578-1.639
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Isometric
Orthorhombic

Birefringence

-99990.037-0.039
0 0.296
👆🏻

Clarity

Transparent
-

Ceylonite and Grandidierite Optic Character

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

Ceylonite and Grandidierite Transparency

Similar to their colors, Ceylonite and Grandidierite 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, Ceylonite is Transparent and Translucent while Ceylonite is Transparent and Translucent in appearance.