Home
Gemstones


Erythrite and Ruby Optical Properties


Ruby and Erythrite Optical Properties


Optical Properties

Luster
Subadamantine, Pearly   
Vitreous, Adamantine, Vitreous, Adamantine   

Pleochroism
Visible: X = pale pinkish to pale rose; Y = pale violet to pale violet-rose; Z = deep red   
Strong: purplish-red   

Dispersion
Not Available   
0.02   
21

Transparency
Not Available   
Transparent, Translucent, Transparent to opaque   

Refractive Index
1.626-1.629   
1.762-1.778   

Optic Character
Not Available   
Not Available   

Crystal System
monoclinic   
Trigonal   

Birefringence
Not Available   
0.008   

Clarity
Not Available   
Transparent   

Benefits >>
<< Physical Properties

Erythrite and Ruby Optic Character

Erythrite and Ruby optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Erythrite and Ruby 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 Erythrite and Ruby 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 Red Gemstones

Erythrite and Ruby Transparency

Similar to their colors, Erythrite and Ruby 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, Erythrite is Not Available while Erythrite is Not Available in appearance.

Red Gemstones

Red Gemstones


Compare Red Gemstones