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Grossular
Grossular

Pyrite
Pyrite



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Grossular
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Pyrite

Grossular and Pyrite Optical Properties

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Optical Properties

Luster

Greasy, Vitreous
-

Pleochroism

None
-

Dispersion

0.020.04
0.005 1
👆🏻

Transparency

-
OpaqueHerve Nicolas Lazzarelli

Refractive Index

1.730-1.760-9999
1 3.25
👆🏻

Optic Character

-
-

Crystal System

cubic
Isometric

Birefringence

0.020-9999
0 0.296
👆🏻

Clarity

TransparentUlrich Henn and Claudio C. Milisenda
OpaqueHerve Nicolas Lazzarelli

Grossular and Pyrite Optic Character

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

Similar to their colors, Grossular and Pyrite 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.