Vivianite

United States, Idaho (Lemhi County), Lemhi (Black Bird Mine)

Identifier: 35242
Refractive Index: 1.6100
Specific Gravity: 2.7
Optical Character: Biaxial +
Pleochroism: Greenish blue / Blue
Luster: Vitreous

SUN

I

F

LED

Absorption Depth

0.1

0.3

0.6

1.0

1.5

2.5

4.0

Absorption Spectrum