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Grossular
Grossular

Jacobsite
Jacobsite



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Grossular
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Jacobsite

Grossular and Jacobsite Optical Properties

Optical Properties

Luster

Greasy, Vitreous
-

Pleochroism

None
-

Dispersion

0.020.03
0.005 1
👆🏻

Transparency

-
Translucent

Refractive Index

1.730-1.760-9999
1 3.25
👆🏻

Optic Character

-
-

Crystal System

cubic
-

Birefringence

0.020-9999
0 0.296
👆🏻

Clarity

TransparentUlrich Henn and Claudio C. Milisenda
Translucent

Grossular and Jacobsite Optic Character

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

Similar to their colors, Grossular and Jacobsite 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.