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Prasiolite
Prasiolite

Prase
Prase



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Prasiolite
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Prase

Prasiolite and Prase Optical Properties

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Optical Properties

Luster

Vitreous
-

Pleochroism

Very weak: light green pale greenWalter Schumann
-

Dispersion

0.010.01
0.005 1
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Transparency

Transparent, Translucent
Transparent, Translucent

Refractive Index

1.544-1.5531.544-1.553
1 3.25
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Optic Character

-
-

Crystal System

Trigonal
-

Birefringence

0.0090.009
0 0.296
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Clarity

Transparent
Transparent

Prasiolite and Prase Optic Character

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

Similar to their colors, Prasiolite and Prase 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.