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Andalusite
Andalusite

Enstatite
Enstatite



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Andalusite
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Enstatite

Andalusite and Enstatite Optical Properties

Optical Properties

Luster

Vitreous, Greasy
Vitreous, Pearly

Pleochroism

strongly trichroic
Pale green to pale orange

Dispersion

0.020.01
0.005 1
👆🏻

Transparency

Transparent, Translucent
Transparent, Translucent

Refractive Index

1.627-1.6501.650-1.680
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
Orthorhombic

Birefringence

0.009-0.0100.009-0.011
0 0.296
👆🏻

Clarity

Transparent
Transparent

Andalusite and Enstatite Optic Character

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

Similar to their colors, Andalusite and Enstatite 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.