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Andalusite
Andalusite

Moroxite
Moroxite



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Andalusite
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Moroxite

Andalusite and Moroxite Optical Properties

Optical Properties

Luster

Vitreous, Greasy
-

Pleochroism

strongly trichroic
-

Dispersion

0.020.04
0.005 1
👆🏻

Transparency

Transparent, Translucent
-

Refractive Index

1.627-1.6501.628-1.651
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
-

Birefringence

0.009-0.0100.002-0.008
0 0.296
👆🏻

Clarity

Transparent
TransparentUlrich Henn and Claudio C. Milisenda

Andalusite and Moroxite Optic Character

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

Similar to their colors, Andalusite and Moroxite 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.