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Chrysoprase and Mimetite Optical Properties


Mimetite and Chrysoprase Optical Properties


Optical Properties

Luster
Vitreous, Vitreous, Waxy   
Resinous, Subadamantine   

Pleochroism
AbsentWalter Schumann   
Weak   

Dispersion
None   
Not Available   

Transparency
Translucent, Translucent, Opaque, Translucent to nearly opaque   
Translucent   

Refractive Index
1.530-1.543   
2.106-2.263   

Optic Character
Not Available   
Not Available   

Crystal System
Trigonal   
Hexagonal   

Birefringence
0.004   
0.019   

Clarity
Translucent   
Translucent   

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Chrysoprase and Mimetite Optic Character

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

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Chrysoprase and Mimetite Transparency

Similar to their colors, Chrysoprase and Mimetite 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, Chrysoprase is Opaque, Translucent, Translucent and Translucent to nearly opaque while Chrysoprase is Opaque, Translucent, Translucent and Translucent to nearly opaque in appearance.

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