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Prasiolite
Prasiolite

Lizardite
Lizardite



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Prasiolite
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Lizardite

Prasiolite and Lizardite 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
TranslucentAnthony et al
1.538-1.560
-
-
-9999
TranslucentAnthony et al

Prasiolite and Lizardite Optic Character

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

Similar to their colors, Prasiolite and Lizardite 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.