Tourmaline

Elbaite

Namibia, Erongo Region (Karibib District), Karibib (Neu Schwaben Mine)

Identifier: 34726
Refractive Index: 1.6350
Specific Gravity: 2.95
Optical Character: Uniaxial −
Pleochroism: Green / Bluish 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