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Andesine
Andesine

Augelite
Augelite



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Andesine
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Augelite

Andesine and Augelite Optical Properties

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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
 
Pearly
-
0.02
-
1.570-1.591
-
-
0.020-0.021
TransparentUlrich Henn and Claudio C. Milisenda

Andesine and Augelite Optic Character

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

Similar to their colors, Andesine and Augelite 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 while Andesine is in appearance.