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Amazonite
Amazonite

Ludlamite
Ludlamite



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Amazonite
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Ludlamite

Amazonite and Ludlamite Optical Properties

Optical Properties

Luster

Vitreous
Vitreous, Pearly

Pleochroism

-
-

Dispersion

0.010.02
0.005 1
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Transparency

Translucent, Translucent to opaque
-

Refractive Index

1.522-1.5301.653-1.693
1 3.25
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Optic Character

-
-

Crystal System

Triclinic
monoclinic

Birefringence

0.008-0.0100.038-0.044
0 0.296
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Clarity

Translucent
TransparentUlrich Henn and Claudio C. Milisenda

Amazonite and Ludlamite Optic Character

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

Amazonite and Ludlamite Transparency

Similar to their colors, Amazonite and Ludlamite 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, Amazonite is Translucent and Translucent to opaque while Amazonite is Translucent and Translucent to opaque in appearance.