Andalusite

Sri Lanka

Identifier: 33919
Refractive Index: 1.6385
Specific Gravity: 3.22
Optical Character: Biaxial −
Pleochroism: Light green / Dark 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