Magnetite (Lodestone) identification and geology

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Sources, scope & corrections

These authoritative resources support category-level nomenclature, terminology, identification methods, and safety. When a specimen-specific safety warning appears, the public-health source listed here directly supports that precaution. They are not line-by-line citations for every other property on this entry, and natural specimens vary.

Editorial owner

GeoMiner

Last updated

2026-02-10T20:29:50.275794+00:00

Review status

Published; not independently peer-reviewed

• IMA–CNMNC List of Mineral Names — International Mineralogical Association. Official mineral-name, nomenclature, and classification records.
• Mineral ID Key — Mineralogical Society of America. Physical-property identification methods, repeat-testing guidance, and limitations.

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Common questions

What is Magnetite Lodestone?

Naturally magnetized variety of magnetite that acts as a natural compass. Known since antiquity for its magnetic properties.

How can you identify Magnetite Lodestone?

Compare several properties rather than relying on colour alone. This entry records colour: Black; lustre: Metallic; streak: Black; Mohs hardness: 5.5-6.5; cleavage: None parting; crystal system: Isometric Cubic; transparency: Opaque. Confirm an important identification with additional field tests or qualified laboratory work.

How does Magnetite Lodestone form?

Forms when magnetite is struck by lightning or through thermoremanent magnetization during cooling below the Curie temperature.

Where is Magnetite Lodestone commonly found?

Worldwide; historically significant lodestone from Magnesia Greece and Ethiopia.

What is Magnetite Lodestone commonly confused with?

Magnetite Lodestone may be confused with Hematite, Ilmenite, Chromite. Compare multiple diagnostic properties because colour and surface appearance can overlap.