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Dioptase
Dioptase

Lizardite
Lizardite



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Dioptase
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Lizardite

Dioptase and Lizardite Optical Properties

Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Vitreous
Weak; dark emerald green
0.04
TranslucentHerve Nicolas Lazzarelli
1.644-1.720
-
Trigonal
0.051-0.053
TranslucentHerve Nicolas Lazzarelli
 
-
-
0.01
TranslucentAnthony et al
1.538-1.560
-
-
-9999
TranslucentAnthony et al

Dioptase and Lizardite Optic Character

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

Dioptase and Lizardite Transparency

Similar to their colors, Dioptase 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, Dioptase is while Dioptase is in appearance.