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Thomsonite
Thomsonite

Rutile
Rutile



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Thomsonite
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Rutile

Thomsonite and Rutile Optical Properties

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Optical Properties

Luster

Vitreous, Pearly
Adamantine

Pleochroism

-
Weak to distinct brownish red-green-yellow

Dispersion

0.010.33
0.005 1
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Transparency

Translucent
Transparent, Translucent

Refractive Index

1.510-1.5502.609-2.903
1 3.25
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Optic Character

-
-

Crystal System

Orthorhombic
tetragonal

Birefringence

0.015-0.0200.296
0 0.296
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Clarity

Translucent
Transparent

Thomsonite and Rutile Optic Character

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

Thomsonite and Rutile Transparency

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