×

Montebrasite
Montebrasite

Apatite
Apatite



ADD
Compare
X
Montebrasite
X
Apatite

Montebrasite and Apatite Optical Properties

Optical Properties

Luster

-
Vitreous

Pleochroism

-
Blue stones – strong

Dispersion

0.020.01
0.005 1
👆🏻

Transparency

TransparentWalter Schumann
-

Refractive Index

1.578-1.6461.628-1.651
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Hexagonal

Birefringence

0.020-0.0300.002-0.008
0 0.296
👆🏻

Clarity

TransparentWalter Schumann
TransparentUlrich Henn and Claudio C. Milisenda

Montebrasite and Apatite Optic Character

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

Montebrasite and Apatite Transparency

Similar to their colors, Montebrasite and Apatite 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, Montebrasite is TransparentWalter Schumann while Montebrasite is TransparentWalter Schumann in appearance.