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Hydrogrossular
Hydrogrossular

Taaffeite
Taaffeite



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Hydrogrossular
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Taaffeite

Hydrogrossular and Taaffeite Optical Properties

Optical Properties

Luster

-
Vitreous

Pleochroism

-
Weak

Dispersion

0.020.02
0.005 1
👆🏻

Transparency

Translucent
-

Refractive Index

1.680-1.7121.70-1.73
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Hexagonal

Birefringence

-99990.055
0 0.296
👆🏻

Clarity

Translucent
-

Hydrogrossular and Taaffeite Optic Character

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

Hydrogrossular and Taaffeite Transparency

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