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Rutile
Rutile

Grossular
Grossular



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Rutile
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Grossular

Rutile and Grossular Optical Properties

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Optical Properties

Luster

Adamantine
Greasy, Vitreous

Pleochroism

Weak to distinct brownish red-green-yellow
None

Dispersion

0.330.02
0.005 1
👆🏻

Transparency

Transparent, Translucent
-

Refractive Index

2.609-2.9031.730-1.760
1 3.25
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Optic Character

-
-

Crystal System

tetragonal
cubic

Birefringence

0.2960.020
0 0.296
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Clarity

Transparent
TransparentUlrich Henn and Claudio C. Milisenda

Rutile and Grossular Optic Character

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

Rutile and Grossular Transparency

Similar to their colors, Rutile 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, Rutile is Transparent and Translucent while Rutile is Transparent and Translucent in appearance.