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Eilat stone
Eilat stone

Thomsonite
Thomsonite



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Eilat stone
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Thomsonite

Eilat stone and Thomsonite Optical Properties

Optical Properties

Luster

-
Vitreous, Pearly

Pleochroism

-
-

Dispersion

0.010.01
0.005 1
👆🏻

Transparency

-
Translucent

Refractive Index

-99991.510-1.550
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Orthorhombic

Birefringence

-99990.015-0.020
0 0.296
👆🏻

Clarity

-
Translucent

Eilat stone and Thomsonite Optic Character

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

Eilat stone and Thomsonite Transparency

Similar to their colors, Eilat stone 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, Eilat stone is while Eilat stone is in appearance.