Home
Gemstones


Montebrasite and Apatite Optical Properties


Apatite and Montebrasite Optical Properties


Optical Properties

Luster
Not Available   
Vitreous   

Pleochroism
Not Available   
Blue stones – strong   

Dispersion
Not Available   
0.01   
27

Transparency
TransparentWalter Schumann, Gemstones of the world (2001) More from other references   
Gemmological Tables (2004) More from other references   

Refractive Index
1.578-1.646   
1.628-1.651   

Optic Character
Not Available   
Not Available   

Crystal System
Not Available   
Hexagonal   

Birefringence
0.020-0.030   
0.002-0.008   

Clarity
TransparentWalter Schumann   
TransparentUlrich Henn and Claudio C. Milisenda   

Benefits >>
<< Physical Properties

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.

Compare White Gemstones

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 Gemstones of the world (2001) More from other references and TransparentWalter Schumann while Montebrasite is Gemstones of the world (2001) More from other references and TransparentWalter Schumann in appearance.

White Gemstones

White Gemstones


Compare White Gemstones