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Thomsonite
Thomsonite

Zebra Rock
Zebra Rock



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Thomsonite
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Zebra Rock

Thomsonite and Zebra Rock Optical Properties

Optical Properties

Luster

Vitreous, Pearly
-

Pleochroism

-
-

Dispersion

0.01-
0.005 1
👆🏻

Transparency

Translucent
-

Refractive Index

1.510-1.550-9999
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
​ face-centered cubic (fcc)

Birefringence

0.015-0.020-9999
0 0.296
👆🏻

Clarity

Translucent
-

Thomsonite and Zebra Rock Optic Character

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

Similar to their colors, Thomsonite and Zebra Rock 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.