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Elaeolite
Elaeolite

Sapphire
Sapphire



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Elaeolite
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Sapphire

Elaeolite and Sapphire Optical Properties

Optical Properties

Luster

Greasy
Vitreous, Adamantine

Pleochroism

-
Strong

Dispersion

0.010.02
0.005 1
👆🏻

Transparency

-
Transparent, Translucent, Transparent to opaque

Refractive Index

-99991.762-1.788
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Trigonal

Birefringence

-99990.008-0.009
0 0.296
👆🏻

Clarity

-
Transparent

Elaeolite and Sapphire Optic Character

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

Elaeolite and Sapphire Transparency

Similar to their colors, Elaeolite and Sapphire 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, Elaeolite is while Elaeolite is in appearance.