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Grossular
Grossular

Cavansite
Cavansite



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Grossular
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Cavansite

Grossular and Cavansite Optical Properties

Optical Properties

Luster

Greasy, Vitreous
Vitreous, Pearly

Pleochroism

None
Visible: X=Z= colorless Y= blue

Dispersion

0.020.04
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.730-1.7601.542
1 3.25
👆🏻

Optic Character

-
-

Crystal System

cubic
Orthorhombic

Birefringence

0.0200.009
0 0.296
👆🏻

Clarity

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

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

Similar to their colors, Grossular and Cavansite 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.