mineral

Hematite bead bracelet

Hematite (Fe₂O₃), likely polished or magnetically enhanced beads

AI-generated identification · may be incorrect

Metallic gunmetal-black color, opaque, high metallic luster; Mohs hardness 5–6, no visible cleavage, trigonal crystal structure, and specific gravity about 5.0–5.3. The uniform beads and mirror polish indicate a processed specimen; some commercial “magnetic hematite” is synthetic ferrite rather than natural hematite.

Identified August 13, 2026More mineral →

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Physical properties

Formation & geological history

Natural hematite forms by oxidation of iron-rich fluids, hydrothermal activity, or sedimentary precipitation, with deposits ranging from Precambrian banded iron formations to younger ironstones. The beads were cut, drilled, polished, and assembled into jewelry.

Uses & applications

Used primarily for jewelry, ornaments, pigment, and iron ore; hematite jewelry is valued for its metallic appearance rather than rarity.

Geological facts

Hematite’s red-brown streak is diagnostic even when the surface is black and polished. A strong magnet suggests synthetic magnetic ferrite or inclusions, not necessarily natural hematite.

Field identification & locations

Check an inconspicuous area for a reddish-brown streak on unglazed ceramic; natural hematite is generally weakly magnetic or nonmagnetic. Common sources include Brazil, Australia, South Africa, and the United States.