mineral

Specular hematite (likely iron-rich ore)

Hematite, Fe₂O₃; possibly magnetite-bearing

AI-generated identification · may be incorrect

Metallic to submetallic silver-black luster with reddish-brown to black streak; Mohs hardness 5–6.5, specific gravity about 5.0–5.3, commonly massive or platy rather than showing obvious cleavage.

Identified September 6, 2026More mineral →

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Physical properties

Formation & geological history

Forms through oxidation of iron-rich deposits, hydrothermal activity, or sedimentary iron formation; specimens may be Precambrian in origin, though exact age depends on locality.

Uses & applications

Used as an iron ore, pigment, polishing abrasive, and collectible mineral; attractive specular pieces may be used decoratively but are not typically gemstones.

Geological facts

The shiny, flaky variety is called specularite or specular hematite. Hematite is weakly magnetic or nonmagnetic, whereas associated magnetite can produce a strong magnetic response.

Field identification & locations

Identify by its heavy feel, metallic sheen, and distinctive reddish-brown streak on unglazed porcelain; a magnet test helps detect magnetite admixture. Common localities include Brazil, the United States, England, Switzerland, and Morocco.