×

Brookite
Brookite

Ludlamite
Ludlamite



ADD
Compare
X
Brookite
X
Ludlamite

Brookite and Ludlamite Optical Properties

Optical Properties

Luster

Adamantine
Vitreous, Pearly

Pleochroism

Very weak
-

Dispersion

0.200.02
0.005 1
👆🏻

Transparency

-
-

Refractive Index

2.583-2.7411.653-1.693
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
monoclinic

Birefringence

0.1170.038-0.044
0 0.296
👆🏻

Clarity

-
TransparentUlrich Henn and Claudio C. Milisenda

Brookite and Ludlamite Optic Character

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

Brookite and Ludlamite Transparency

Similar to their colors, Brookite 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, Brookite is while Brookite is in appearance.