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Andalusite
Andalusite

Chrysocolla
Chrysocolla



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Andalusite
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Chrysocolla

Andalusite and Chrysocolla Optical Properties

Optical Properties

Luster

Vitreous, Greasy
Vitreous, Greasy

Pleochroism

strongly trichroic
-

Dispersion

0.020.02
0.005 1
👆🏻

Transparency

Transparent, Translucent
Opaque

Refractive Index

1.627-1.6501.460-1.570
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
monoclinic

Birefringence

0.009-0.0100.023-0.050
0 0.296
👆🏻

Clarity

Transparent
-

Andalusite and Chrysocolla Optic Character

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

Andalusite and Chrysocolla Transparency

Similar to their colors, Andalusite and Chrysocolla 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, Andalusite is Transparent and Translucent while Andalusite is Transparent and Translucent in appearance.