Andesine and Cacoxenite Optical Properties

Andesine

Cacoxenite

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1 Optical Properties

1.1 Luster

Vitreous

Silky

1.2 Pleochroism

colorless.

visible: O = Pale yellow E = Canary yellow to yellow orange

1.3 Dispersion

0.70NA

0.007 1

1.4 Transparency

Transparent, Translucent, Transparent to translucent

Not Available

1.5 Refractive Index

1.543-1.5641.575-1.585

1 3.25

1.6 Optic Character

Biaxial/+

Not Available

1.7 Crystal System

Triclinic

Hexagonal

1.8 Birefringence

0.007-0.011Not Available

0 0.296

1.9 Clarity

Transparent

Not Available

Andesine and Cacoxenite Optic Character

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

Similar to their colors, Andesine and Cacoxenite 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.