Home
Gemstones


Axinite and Hematite Optical Properties


Hematite and Axinite Optical Properties


Optical Properties

Luster
Vitreous  
-  

Pleochroism
Strong  
O = brownish red; E = yellowish red  

Dispersion
0.02  
99+
0.05  
25

Transparency
-  
OpaqueHerve Nicolas Lazzarelli  

Refractive Index
1.656-1.704  
2.690-3.220  

Optic Character
Biaxial/+  
-  

Crystal System
Triclinic  
Trigonal  

Birefringence
0.009-0.012  
0.280  

Clarity
TransparentUlrich Henn and Claudio C. Milisenda  
OpaqueHerve Nicolas Lazzarelli  

Benefits >>
<< Physical Properties

Axinite and Hematite Optic Character

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

Compare Green Gemstones

Axinite and Hematite Transparency

Similar to their colors, Axinite and Hematite 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, Axinite is while Axinite is in appearance.

Green Gemstones

Green Gemstones


Compare Green Gemstones