Tourmaline

Dravite

Mexico, Baja California State (Ensenada Municipality)

Identifier: 34461
Refractive Index: 1.6500
Specific Gravity: 3.03
Optical Character: Biaxial +
Pleochroism: Brown / Yellowish 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