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Ludlamite
Ludlamite

Ajoite
Ajoite



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Ludlamite
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Ajoite

Ludlamite and Ajoite Optical Properties

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Optical Properties

Luster

Vitreous, Pearly
Vitreous

Pleochroism

-
X: very light bluish green; Y and Z: brilliant bluish green

Dispersion

0.020.04
0.005 1
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Transparency

-
-

Refractive Index

1.653-1.6931.550
1 3.25
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Optic Character

-
-

Crystal System

monoclinic
Triclinic

Birefringence

0.038-0.0440.091
0 0.296
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Clarity

TransparentUlrich Henn and Claudio C. Milisenda
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Ludlamite and Ajoite Optic Character

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

Similar to their colors, Ludlamite and Ajoite 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.