Topaz

Pakistan, North-West Frontier Province, Mardan (Katlang Mine)

Identifier: 33584
Refractive Index: 1.6149
Specific Gravity: 3.52
Optical Character: Biaxial +
Pleochroism: Orangy red / Violetish red
Luster: Vitreous

SUN

I

F

LED

Absorption Depth

0.1

0.3

0.6

1.0

1.5

2.5

4.0

Absorption Spectrum