Beryl

Emerald

Russia, Ural Mountains Region

Identifier: 33876
Refractive Index: 1.5720
Specific Gravity: 2.8
Optical Character: Uniaxial −
Pleochroism: Light green / Light blue-green
Luster: Vitreous

SUN

I

F

LED

Absorption Depth

0.1

0.3

0.6

1.0

1.5

2.5

4.0

Absorption Spectrum