Andesine and Jasper Optical Properties

Andesine

Jasper

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Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

Vitreous

colorless.

0.70

Transparent, Translucent, Transparent to translucent

1.543-1.564

Biaxial/+

Triclinic

0.007-0.011

Transparent

Vitreous

0.01

Opaque

1.540

Trigonal

-9999

OpaqueHerve Nicolas Lazzarelli

Andesine and Jasper Optic Character

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

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