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Mottramite
Mottramite

Wulfenite
Wulfenite



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Mottramite
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Wulfenite

Mottramite and Wulfenite Optical Properties

Optical Properties

Luster

Greasy
Adamantine, Resinous

Pleochroism

Visible X=Y= canary yellow to greenish yellow
Weak

Dispersion

0.040.03
0.005 1
👆🏻

Transparency

-
Transparent

Refractive Index

2.1702.280-2.405
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
tetragonal

Birefringence

0.1500.122
0 0.296
👆🏻

Clarity

-
Transparent

Mottramite and Wulfenite Optic Character

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

Mottramite and Wulfenite Transparency

Similar to their colors, Mottramite and Wulfenite 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, Mottramite is while Mottramite is in appearance.