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Thomsonite
Thomsonite

Tremolite
Tremolite



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Thomsonite
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Tremolite

Thomsonite and Tremolite Optical Properties

Optical Properties

Luster

Vitreous, Pearly
Vitreous, Silky

Pleochroism

-
-

Dispersion

0.010.02
0.005 1
👆🏻

Transparency

Translucent
Transparent

Refractive Index

1.510-1.5501.599-1.637
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
monoclinic

Birefringence

0.015-0.0200.023-0.028
0 0.296
👆🏻

Clarity

Translucent
Transparent

Thomsonite and Tremolite Optic Character

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

Similar to their colors, Thomsonite and Tremolite 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.