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Eilat stone
Eilat stone

Phosgenite
Phosgenite



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Eilat stone
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Phosgenite

Eilat stone and Phosgenite Optical Properties

Optical Properties

Luster

-
Adamantine

Pleochroism

-
Weakly pleochroic with O reddish and E greenish in thick sections.

Dispersion

0.010.04
0.005 1
👆🏻

Transparency

-
-

Refractive Index

-99992.117-2.145
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
tetragonal

Birefringence

-99990.027
0 0.296
👆🏻

Clarity

-
TransparentUlrich Henn and Claudio C. Milisenda

Eilat stone and Phosgenite Optic Character

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

Similar to their colors, Eilat stone and Phosgenite 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.