Tiger Iron

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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.

Tiger Iron Polished
Tiger Iron Classification
Common Name Tiger Iron
Species Rock
Tiger Iron Optical Properties
Transparency Opaque
Dispersion Strength: None
Refractive Index Over The Limit 1.544-3.220
Optic Character NA
Fluorescence SWUV: Inert
LWUV: Inert
Pleochroism None
Tiger Iron Characteristic Physical Properties
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
Tiger Iron Chemistry & Crystallography
Chemical Name silicon dioxide (aka silica) and iron oxide
Chemical Formula SiO2 and Fe2O3
Crystal System NA
Chemistry Classification Rock

Tiger Iron Colors

  • Brown Tiger Iron Brown
  • Red Tiger Iron Red
  • Multi-color Tiger Iron Multi-color

Alternate Names

Tigeriron; Marra Mamba

Countries of Origin

United States of America (the); Unknown; Zambia; Australia

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Tim Matthews

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Tim Matthews

Tim Matthews is President and Chief Executive Officer of Jewelry Television® (JTV), as well as a member of the company's Board of Directors. He oversees and leads all aspects of the company's powerful omni-digital retail platform that uniquely specializes in fine jewelry and gemstones. His passion for business and gemstones has led him to become a recognized expert in the field of gemology. He is a life member of the Gemmological Association of Great Britain (Gem-A) and has earned Gem-A's highest degrees, the Gemmology (FGA) and Diamond (DGA) diplomas. He is also a Graduate Gemologist (GG) of the Gemological Institute of America (GIA) and has also completed GIA's Graduate Diplomas in Diamonds, Colored Stones and Pearls. Under his leadership, JTV has become the leader in the sourcing and selling of color gemstones and jewelry.

This page was created on June 27, 2014.

This page was last edited on October 24, 2019.