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Mottramite
Mottramite

Hauyne
Hauyne



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Mottramite
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Hauyne

Mottramite and Hauyne Optical Properties

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Optical Properties

Luster

Greasy
Vitreous, Greasy

Pleochroism

Visible X=Y= canary yellow to greenish yellow
None

Dispersion

0.040.01
0.005 1
👆🏻

Transparency

-
-

Refractive Index

2.1701.50
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
Isometric

Birefringence

0.150-9999
0 0.296
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Clarity

-
-

Mottramite and Hauyne Optic Character

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

Similar to their colors, Mottramite and Hauyne 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.