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Ceylonite
Ceylonite

Prasiolite
Prasiolite



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Ceylonite
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Prasiolite

Ceylonite and Prasiolite Optical Properties

Optical Properties

Luster

Vitreous
Vitreous

Pleochroism

Absent
Very weak: light green pale greenWalter Schumann

Dispersion

0.020.01
0.005 1
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Transparency

Transparent, Translucent
Transparent, Translucent

Refractive Index

1.770-1.7801.544-1.553
1 3.25
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Optic Character

-
-

Crystal System

Isometric
Trigonal

Birefringence

-99990.009
0 0.296
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Clarity

Transparent
Transparent

Ceylonite and Prasiolite Optic Character

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

Similar to their colors, Ceylonite and Prasiolite 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.