×

Taaffeite
Taaffeite

Hureaulite
Hureaulite



ADD
Compare
X
Taaffeite
X
Hureaulite

Taaffeite and Hureaulite Optical Properties

Optical Properties

Luster

Vitreous
Vitreous, Greasy

Pleochroism

Weak
Colorless yellow to pale rose reddish yellow to reddish brown.Anthony et al

Dispersion

0.020.02
0.005 1
👆🏻

Transparency

-
Transparent

Refractive Index

1.70-1.731.647-1.667
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Hexagonal
Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/c

Birefringence

0.0550.012
0 0.296
👆🏻

Clarity

-
Transparent

Taaffeite and Hureaulite Optic Character

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

Similar to their colors, Taaffeite and Hureaulite 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.