Topaz

Brazil, Minas Gerais State, Ouro Preto (Dom Bosco Mine)

Identifier: 33580
Refractive Index: 1.6149
Specific Gravity: 3.54
Optical Character: Biaxial +
Pleochroism: Light brown / Light reddish purple
Luster: Vitreous

SUN

I

F

LED

Absorption Depth

0.1

0.3

0.6

1.0

1.5

2.5

4.0

Absorption Spectrum