Andesine and Weloganite Optical Properties

Andesine

Weloganite

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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

Refractive Index

1.543-1.5641.558

1 3.25

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Optic Character

Biaxial/+

Crystal System

Triclinic

Birefringence

0.007-0.0110.082

0 0.296

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Clarity

Transparent

Andesine and Weloganite Optic Character

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

Similar to their colors, Andesine and Weloganite 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.