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Rutile
Rutile

Charoite
Charoite



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Rutile
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Charoite

Rutile and Charoite Optical Properties

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Optical Properties

Luster

Adamantine
Pearly, Chatoyant

Pleochroism

Weak to distinct brownish red-green-yellow
-

Dispersion

0.330.02
0.005 1
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Transparency

Transparent, Translucent
Translucent

Refractive Index

2.609-2.9031.545-1.560
1 3.25
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Optic Character

-
-

Crystal System

tetragonal
Triclinic

Birefringence

0.2960.009
0 0.296
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Clarity

Transparent
Translucent

Rutile and Charoite Optic Character

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

Similar to their colors, Rutile and Charoite 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.