mineral

Specular Hematite

Hematite (Iron(III) oxide, Fe2O3)

Hardness: 5.5-6.5; Color: Dark grey to steel grey; Luster: Metallic, sparkling (specular); Crystal structure: Trigonal/Hexagonal; Streak: Reddish-brown; Specific gravity: 4.9-5.3

Hardness: 5
Color: Dark grey to steel grey
Luster: Metallic, sparkling (specular)

Identified July 6, 2026More mineral →

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Physical properties

Hardness: 5.5-6.5; Color: Dark grey to steel grey; Luster: Metallic, sparkling (specular); Crystal structure: Trigonal/Hexagonal; Streak: Reddish-brown; Specific gravity: 4.9-5.3

Formation & geological history

Formed in hydrothermal veins, replacement deposits, and sedimentary iron formations. It is often a result of volcanic activity or the oxidation of other iron minerals.

Uses & applications

Primary source of iron ore globally. Specular varieties are used in paints as a weather-resistant pigment and as ornamental stones or semi-precious gems in jewelry.

Geological facts

The word 'Hematite' is derived from the Greek word for blood, due to its red streak. Specular hematite is unique for its micaceous, mirror-like sparkling flakes that look like glitter.

Field identification & locations

Identify in the field by its high density (heavy for its size) and by scratching it against an unglazed porcelain plate to see its characteristic red-brown streak. Found commonly in banded iron formations.