Crystal Iron Tiger Eye

Chemical Formula

SiO₂

Color

Yellow, Brown, Multicolored

Hardness

7

Crystal System

Hexagonal

Refractive Index

1.54 - 1.55

SG

2.63 - 2.65

Transparency

Opaque

Double Refraction

None

Luster

Silky

Cleavage

Indiscernible

Mineral Class

Quartz (Chalcedony)