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Prasiolite
Prasiolite

Cymophane
Cymophane



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Prasiolite
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Cymophane

Prasiolite and Cymophane Optical Properties

Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Vitreous
Very weak: light green pale greenWalter Schumann
0.01
Transparent, Translucent
1.544-1.553
-
Trigonal
0.009
Transparent
 
-
-
0.01
Transparent
1.739-1.770
Biaxial/+
-
0.007-0.013
Transparent

Prasiolite and Cymophane Optic Character

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

Prasiolite and Cymophane Transparency

Similar to their colors, Prasiolite and Cymophane 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, Prasiolite is while Prasiolite is in appearance.