Home
Gemstones


Gedrite and Anthophyllite Optical Properties


Anthophyllite and Gedrite Optical Properties


Optical Properties

Luster
Vitreous  
Vitreous, Pearly  

Pleochroism
Weak to moderate  
-  

Dispersion
0.02  
99+
0.01  
99+

Transparency
Transparent  
Transparent  

Refractive Index
1.625-1.718  
1.603-1.690  

Optic Character
-  
Biaxial/+  

Crystal System
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma  
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma  

Birefringence
-9999  
-9999  

Clarity
Transparent  
Transparent  

Benefits >>
<< Physical Properties

Gedrite and Anthophyllite Optic Character

Gedrite and Anthophyllite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Gedrite and Anthophyllite 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 Gedrite and Anthophyllite 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. Anthophyllite has Biaxial/+ character.

Compare Brown Gemstones

Gedrite and Anthophyllite Transparency

Similar to their colors, Gedrite and Anthophyllite 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, Gedrite is Transparent while Gedrite is Transparent in appearance.

Brown Gemstones

Brown Gemstones


Compare Brown Gemstones