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Jade
Jade

Mottramite
Mottramite



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Jade
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Mottramite

Jade and Mottramite Optical Properties

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Optical Properties

Luster

Vitreous
Greasy

Pleochroism

-
Visible X=Y= canary yellow to greenish yellow

Dispersion

0.010.04
0.005 1
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Transparency

Translucent, Translucent to opaque
-

Refractive Index

1.600-1.6882.170
1 3.25
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Optic Character

-
-

Crystal System

monoclinic
Orthorhombic

Birefringence

0.020-0.0270.150
0 0.296
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Clarity

Translucent
-

Jade and Mottramite Optic Character

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

Jade and Mottramite Transparency

Similar to their colors, Jade 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, Jade is Translucent and Translucent to opaque while Jade is Translucent and Translucent to opaque in appearance.