Quartz

Amethyst

Zimbabwe, Matabeleland North Province, Hwange

Identifier: 35264
Refractive Index: 1.5473
Specific Gravity: 2.66
Optical Character: Uniaxial +
Pleochroism: Purple / 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