Tiger Iron
Rock
Published: June 2014
Modified: September 2023
Tiger iron is a rock that is made up of tiger's eye quartz, black hematite and red jasper. These minerals create contrasting bands of color for a truly unique look popularly used for many sorts of ornamentation and decoration.
General Information
Common Name
Tiger Iron
Species
Rock
Transparency
Opaque
Dispersion
Strength: None
Refractive Index
Over The Limit 1.544-3.220
Optic Character
NA
Fluorescence
SWUV: Inert
LWUV: Inert
LWUV: Inert
Pleochroism
None
Hardness
7
Streak
yellowish brown or red depending on area used
Specific Gravity
2.640-2.710 Typical:2.660
Toughness
Good
Inclusions
Tiger iron has contrasting color bands alternating between tiger's-eye, jasper and hematite.
Luster
Vitreous, Metallic
Stability
Good
Fracture
Fibrous, splintery
Cleavage
None
Chemical Name
silicon dioxide (aka silica) and iron oxide
Chemical Formula
SiO2 and Fe2O3
Crystal System
NA
Chemistry Classification
Rock
Tiger Iron Colors
-
Brown -
Multi-color -
Multi-color -
Red
Alternate Names
Tigeriron; Marra Mamba
Countries of Origin
Unknown; United States of America; Zambia; Australia
Care
Normal Care