Andesine and Cymophane Optical Properties

Andesine

Cymophane

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1 Optical Properties

1.1 Luster

Vitreous

Not Available

1.2 Pleochroism

colorless.

Not Available

1.3 Dispersion

0.70NA

0.007 1

1.4 Transparency

Transparent, Translucent, Transparent to translucent

Transparent

1.5 Refractive Index

1.543-1.5641.739-1.770

1 3.25

1.6 Optic Character

Biaxial/+

1.7 Crystal System

Triclinic

Not Available

1.8 Birefringence

0.007-0.0110.007-0.013

0 0.296

1.9 Clarity

Transparent

Andesine and Cymophane Optic Character

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

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Andesine and Cymophane Transparency

Similar to their colors, Andesine and Cymophane 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.