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Copper & Metallic Minerals

Magnetite

Naturally magnetic black iron oxide.

Natural colours
Mineral groupOxide
Chemical formulaFe₃O₄
Crystal systemCubic (isometric)
Hardness (Mohs)5.5 – 6.5

Supplied by weight or by piece — raw, polished or made into jewellery. Sizes, grades and quantities on request.

About the stone

What is Magnetite?

Magnetite is the most magnetic natural mineral on earth — a black iron oxide that attracts a paper clip or compass needle. Naturally magnetised pieces are called lodestone.

It forms octahedral crystals and heavy black masses, and is an important iron ore in India, Sweden and South Africa.

Traditionally associated with

  • Attraction
  • Grounding
  • Balance
  • Stability

Care & cleaning

A softer stone — wipe with a soft, slightly damp cloth, avoid harsh chemicals and knocks, and store separately from harder crystals.

Bulk & wholesale supply

Order Magnetite in bulk

We supply raw stones, tumbled and polished pieces, carvings, beads and finished jewellery such as pendants and bracelets by the kilo or by the piece. Tell us what you need and we will reply with availability, sizes and lead time.

Photo credits
  • Photo: James St. John — CC BY 2.0, via Wikimedia Commons — source
  • Photo: Robert M. Lavinsky — CC BY-SA 3.0, via Wikimedia Commons — source
  • Photo: Archaeodontosaurus — CC BY-SA 3.0, via Wikimedia Commons — source
  • Photo: Marie-Lan Taÿ Pamart — CC BY 4.0, via Wikimedia Commons — source