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Pleonaste
Pleonaste

Grossular
Grossular



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Grossular

Pleonaste and Grossular Optical Properties

Optical Properties

Luster

-
Greasy, Vitreous

Pleochroism

-
None

Dispersion

0.030.02
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.7801.730-1.760
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
cubic

Birefringence

-99990.020
0 0.296
👆🏻

Clarity

-
TransparentUlrich Henn and Claudio C. Milisenda

Pleonaste and Grossular Optic Character

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

Pleonaste and Grossular Transparency

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