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Elaeolite
Elaeolite

Mottramite
Mottramite



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Elaeolite
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Mottramite

Elaeolite and Mottramite Optical Properties

Optical Properties

Luster

Greasy
Greasy

Pleochroism

-
Visible X=Y= canary yellow to greenish yellow

Dispersion

0.010.04
0.005 1
👆🏻

Transparency

-
-

Refractive Index

-99992.170
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Orthorhombic

Birefringence

-99990.150
0 0.296
👆🏻

Clarity

-
-

Elaeolite and Mottramite Optic Character

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

Similar to their colors, Elaeolite and Mottramite 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.