Corundum

Ruby

Nepal, Western Region (Gandaki Zone), Ganesh Himal
Identifier
33068
Refractive Index
1.7640
Specific Gravity
4.06
Optical Character
Uniaxial −
Pleochroism
Purplish red / Reddish brown
Luster
Vitreous
SUN
I
F
LED

Absorption Depth

0.1
0.3
0.6
1.0
1.5
2.5
4.0

Absorption Spectrum

400450500550600650700750Wavelength (nm)02468101214Absorption