Home
Gemstones


Ruby and Atacamite Optical Properties


Atacamite and Ruby Optical Properties


Optical Properties

Luster
Vitreous, Adamantine, Vitreous, Adamantine   
Adamantine, Vitreous   

Pleochroism
Strong: purplish-red   
X = pale green; Y = yellow-green; Z = grass-green   

Dispersion
0.02   
21
Not Available   

Transparency
Transparent, Translucent, Transparent to opaque   
Not Available   

Refractive Index
1.762-1.778   
1.831   

Optic Character
Not Available   
Not Available   

Crystal System
Trigonal   
Orthorhombic   

Birefringence
0.008   
0.049   

Clarity
Transparent   
Not Available   

Benefits >>
<< Physical Properties

Ruby and Atacamite Optic Character

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

Ruby and Atacamite Transparency

Similar to their colors, Ruby and Atacamite 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, Ruby is Translucent, Transparent and Transparent to opaque while Ruby is Translucent, Transparent and Transparent to opaque in appearance.

Birthstones

Birthstones

» More Birthstones

Compare Birthstones

» More Compare Birthstones