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Andesine and Peridot Optical Properties


Peridot and Andesine Optical Properties


Optical Properties

Luster
Vitreous   
Vitreous, Greasy   

Pleochroism
colorless.   
Weak: yellow-green green (colorless)Herve Nicolas Lazzarelli   

Dispersion
0.70   
2
0.02   
18

Transparency
Transparent, Translucent, Transparent to translucent   
Transparent   

Refractive Index
1.543-1.564   
1.64-1.69   

Optic Character
Biaxial/+   
Not Available   

Crystal System
Triclinic   
Orthorhombic   

Birefringence
0.007-0.011   
0.036   

Clarity
Transparent   
Transparent   

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Andesine and Peridot Optic Character

Andesine and Peridot optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Andesine and Peridot 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 Andesine and Peridot 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. Andesine has Biaxial/+ character.

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Andesine and Peridot Transparency

Similar to their colors, Andesine and Peridot 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, Andesine is Translucent, Transparent and Transparent to translucent while Andesine is Translucent, Transparent and Transparent to translucent in appearance.

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