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Ludlamite
Ludlamite

Faustite
Faustite



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Ludlamite
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Faustite

Ludlamite and Faustite Optical Properties

Optical Properties

Luster

Vitreous, Pearly
Waxy

Pleochroism

-
-

Dispersion

0.020.01
0.005 1
👆🏻

Transparency

-
Translucent

Refractive Index

1.653-1.6931.612
1 3.25
👆🏻

Optic Character

-
-

Crystal System

monoclinic
Triclinic Pinacoidal H-M Symbol ( 1) Space Group: P1

Birefringence

0.038-0.044-9999
0 0.296
👆🏻

Clarity

TransparentUlrich Henn and Claudio C. Milisenda
Translucent

Ludlamite and Faustite Optic Character

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

Similar to their colors, Ludlamite and Faustite 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.