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Grossular
Grossular

Zultanite
Zultanite



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Grossular
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Zultanite

Grossular and Zultanite Optical Properties

Optical Properties

Luster

Greasy, Vitreous
-

Pleochroism

None
-

Dispersion

0.02-
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.730-1.7601.68-1.75
1 3.25
👆🏻

Optic Character

-
-

Crystal System

cubic
-

Birefringence

0.020-9999
0 0.296
👆🏻

Clarity

TransparentUlrich Henn and Claudio C. Milisenda
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Grossular and Zultanite Optic Character

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

Grossular and Zultanite Transparency

Similar to their colors, Grossular and Zultanite 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, Grossular is while Grossular is in appearance.