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Taaffeite
Taaffeite

Mimetite
Mimetite



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Taaffeite
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Mimetite

Taaffeite and Mimetite Optical Properties

Optical Properties

Luster

Vitreous
Resinous, Subadamantine

Pleochroism

Weak
Weak

Dispersion

0.020.04
0.005 1
👆🏻

Transparency

-
Translucent

Refractive Index

1.70-1.732.106-2.263
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Hexagonal
Hexagonal

Birefringence

0.0550.019
0 0.296
👆🏻

Clarity

-
Translucent

Taaffeite and Mimetite Optic Character

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

Taaffeite and Mimetite Transparency

Similar to their colors, Taaffeite and Mimetite 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, Taaffeite is while Taaffeite is in appearance.