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Taaffeite
Taaffeite

Euclase
Euclase



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Taaffeite
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Euclase

Taaffeite and Euclase Optical Properties

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Optical Properties

Luster

Vitreous
Vitreous

Pleochroism

Weak
Weak: colorless-(greenish) yellow

Dispersion

0.020.02
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.70-1.731.650-1.677
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Hexagonal
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/a

Birefringence

0.0550.019-0.025
0 0.296
👆🏻

Clarity

-
TransparentUlrich Henn and Claudio C. Milisenda

Taaffeite and Euclase Optic Character

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

Similar to their colors, Taaffeite and Euclase 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.