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Ludlamite
Ludlamite

Nosean
Nosean



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Ludlamite
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Nosean

Ludlamite and Nosean Optical Properties

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Optical Properties

Luster

Vitreous, Pearly
-

Pleochroism

-
-

Dispersion

0.020.04
0.005 1
👆🏻

Transparency

-
Transparent

Refractive Index

1.653-1.693-9999
1 3.25
👆🏻

Optic Character

-
-

Crystal System

monoclinic
-

Birefringence

0.038-0.044-9999
0 0.296
👆🏻

Clarity

TransparentUlrich Henn and Claudio C. Milisenda
Transparent

Ludlamite and Nosean Optic Character

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

Ludlamite and Nosean Transparency

Similar to their colors, Ludlamite and Nosean 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, Ludlamite is while Ludlamite is in appearance.