Tourmaline

Elbaite

Nepal, Western Region (Gandaki Zone), Manang

Identifier: 34749
Refractive Index: 1.6350
Specific Gravity: 3.11
Optical Character: Uniaxial −
Pleochroism: Greenish yellow / Brownish yellow
Luster: Vitreous

SUN

I

F

LED

Absorption Depth

0.1

0.3

0.6

1.0

1.5

2.5

4.0

Absorption Spectrum