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Thomsonite
Thomsonite

Tavorite
Tavorite



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Thomsonite
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Tavorite

Thomsonite and Tavorite Optical Properties

Optical Properties

Luster

Vitreous, Pearly
Vitreous

Pleochroism

-
Yellow-green colorlessAnthony et al

Dispersion

0.010.02
0.005 1
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Transparency

Translucent
Transparent

Refractive Index

1.510-1.5501
1 3.25
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Optic Character

-
-

Crystal System

Orthorhombic
-

Birefringence

0.015-0.020-9999
0 0.296
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Clarity

Translucent
Transparent

Thomsonite and Tavorite Optic Character

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

Similar to their colors, Thomsonite and Tavorite 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.