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Andalusite
Andalusite

Moss Agate
Moss Agate



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Andalusite
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Moss Agate

Andalusite and Moss Agate Optical Properties

Optical Properties

Luster

Vitreous, Greasy
-

Pleochroism

strongly trichroic
-

Dispersion

0.020.01
0.005 1
👆🏻

Transparency

Transparent, Translucent
TranslucentWalter Schumann

Refractive Index

1.627-1.6501.530-1.540
1 3.25
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Optic Character

-
-

Crystal System

Orthorhombic
-

Birefringence

0.009-0.0100.004
0 0.296
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Clarity

Transparent
TranslucentWalter Schumann

Andalusite and Moss Agate Optic Character

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

Similar to their colors, Andalusite and Moss Agate 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.