Home
Gemstones


Mottramite and Rhodolite Optical Properties


Rhodolite and Mottramite Optical Properties


Optical Properties

Luster
Greasy  
Greasy, Vitreous  

Pleochroism
Visible X=Y= canary yellow to greenish yellow  
None  

Dispersion
0.04  
36
0.03  
99+

Transparency
-  
-  

Refractive Index
2.170  
1.760  

Optic Character
-  
-  

Crystal System
Orthorhombic  
cubic  

Birefringence
0.150  
0.010-0.014  

Clarity
-  
TransparentUlrich Henn and Claudio C. Milisenda  

Benefits >>
<< Physical Properties

Mottramite and Rhodolite Optic Character

Mottramite and Rhodolite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Mottramite and Rhodolite 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 Mottramite and Rhodolite 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 Brown Gemstones

Mottramite and Rhodolite Transparency

Similar to their colors, Mottramite and Rhodolite 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, Mottramite is while Mottramite is in appearance.

Brown Gemstones

Brown Gemstones


Compare Brown Gemstones