Corundum

Sapphire

Myanmar, Mandalay Division, Mogok, Gemological observations suggest this sapphire could be either of Myanmar or Sri Lanka origin
Identifier
34572
Refractive Index
1.7600
Specific Gravity
3.98
Optical Character
Uniaxial −
Pleochroism
Pink / Light 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)01234Absorption