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Prasiolite
Prasiolite

Pyrope Garnet
Pyrope Garnet



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Prasiolite
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Pyrope Garnet

Prasiolite and Pyrope Garnet Optical Properties

Optical Properties

Luster

Vitreous
Vitreous

Pleochroism

Very weak: light green pale greenWalter Schumann
-

Dispersion

0.010.03
0.005 1
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Transparency

Transparent, Translucent
Transparent, Translucent, Transparent to translucent

Refractive Index

1.544-1.5531.720-1.760
1 3.25
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Optic Character

-
-

Crystal System

Trigonal
Isometric

Birefringence

0.009-9999
0 0.296
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Clarity

Transparent
Transparent to translucent

Prasiolite and Pyrope Garnet Optic Character

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

Similar to their colors, Prasiolite and Pyrope Garnet 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 Transparent and Translucent while Prasiolite is Transparent and Translucent in appearance.