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Rutile
Rutile

Thomsonite
Thomsonite



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Rutile
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Thomsonite

Rutile and Thomsonite Optical Properties

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Optical Properties

Luster

Adamantine
Vitreous, Pearly

Pleochroism

Weak to distinct brownish red-green-yellow
-

Dispersion

0.330.01
0.005 1
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Transparency

Transparent, Translucent
Translucent

Refractive Index

2.609-2.9031.510-1.550
1 3.25
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Optic Character

-
-

Crystal System

tetragonal
Orthorhombic

Birefringence

0.2960.015-0.020
0 0.296
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Clarity

Transparent
Translucent

Rutile and Thomsonite Optic Character

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

Similar to their colors, Rutile and Thomsonite 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.