Andesine and Violane Optical Properties

Andesine

Violane

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Optical Properties

Luster

Vitreous

Pleochroism

colorless.

Dispersion

0.700.03

0.005 1

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Transparency

Transparent, Translucent, Transparent to translucent

Translucent

Refractive Index

1.543-1.5641.668-1.703

1 3.25

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Optic Character

Biaxial/+

Crystal System

Triclinic

Birefringence

0.007-0.0110.024-0.030

0 0.296

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Clarity

Transparent

Translucent

Andesine and Violane Optic Character

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

Compare Red Gemstones

Andesine Vs Aragonite

Andesine Vs Astrophyllite

Andesine Vs Black Opal

Andesine and Violane Transparency

Similar to their colors, Andesine and Violane 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.