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Meionite
Meionite

Ludlamite
Ludlamite



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Meionite
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Ludlamite

Meionite and Ludlamite Optical Properties

Optical Properties

Luster

Vitreous, Resinous
Vitreous, Pearly

Pleochroism

-
-

Dispersion

0.020.02
0.005 1
👆🏻

Transparency

Transparent, Translucent
-

Refractive Index

1.556-1.6001.653-1.693
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
monoclinic

Birefringence

0.024-0.0370.038-0.044
0 0.296
👆🏻

Clarity

Transparent
TransparentUlrich Henn and Claudio C. Milisenda

Meionite and Ludlamite Optic Character

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

Meionite and Ludlamite Transparency

Similar to their colors, Meionite 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, Meionite is Transparent and Translucent while Meionite is Transparent and Translucent in appearance.