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Akoya pearl
Akoya pearl

Ludlamite
Ludlamite



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Akoya pearl
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Ludlamite

Akoya pearl and Ludlamite Optical Properties

Optical Properties

Luster

-
Vitreous, Pearly

Pleochroism

-
-

Dispersion

0.160.02
0.005 1
👆🏻

Transparency

-
-

Refractive Index

-99991.653-1.693
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
monoclinic

Birefringence

-99990.038-0.044
0 0.296
👆🏻

Clarity

-
TransparentUlrich Henn and Claudio C. Milisenda

Akoya pearl and Ludlamite Optic Character

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

Akoya pearl and Ludlamite Transparency

Similar to their colors, Akoya pearl 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, Akoya pearl is while Akoya pearl is in appearance.