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Eilat stone
Eilat stone

Nephrite
Nephrite



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Eilat stone
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Nephrite

Eilat stone and Nephrite Optical Properties

Optical Properties

Luster

-
Vitreous, Greasy

Pleochroism

-
None

Dispersion

0.010.01
0.005 1
👆🏻

Transparency

-
Translucent

Refractive Index

-99991.600-1.627
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
monoclinic

Birefringence

-99990.027
0 0.296
👆🏻

Clarity

-
Translucent

Eilat stone and Nephrite Optic Character

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

Similar to their colors, Eilat stone and Nephrite 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.