×

Ludlamite
Ludlamite

Pearl
Pearl



ADD
Compare
X
Ludlamite
X
Pearl

Ludlamite and Pearl Optical Properties

Add ⊕

Optical Properties

Luster

Vitreous, Pearly
Pearly

Pleochroism

-
-

Dispersion

0.020.03
0.005 1
👆🏻

Transparency

-
Translucent, Opaque

Refractive Index

1.653-1.6931.52-1.66
1 3.25
👆🏻

Optic Character

-
-

Crystal System

monoclinic
Orthorhombic

Birefringence

0.038-0.0440.156
0 0.296
👆🏻

Clarity

TransparentUlrich Henn and Claudio C. Milisenda
Translucent

Ludlamite and Pearl Optic Character

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

Similar to their colors, Ludlamite and Pearl 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.