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Hematite · Iron oxide · 5.5 to 6.5

Hematite

Updated

Hematite is iron oxide, the world’s main iron ore and the red in red ochre, one of the oldest pigments people have used. Polished, it is a heavy, mirror-bright grey-black, but rub it on unglazed tile and it leaves a red-brown streak, which is where its name, from the Greek for blood, comes from. Much of the “hematite” in cheap jewellery is not natural: strongly magnetic beads are a man-made material sometimes sold as hematine, and golden or rainbow hematite gets its colour from a thin coating. That gold fades: it wears off with use and the grey-black stone shows through.

From the ground to your hand

From the rock to the finished piece. Where gems are mined.

  1. 01 In the ground (step 1 of 4)

    Black botryoidal hematite: rounded, bubbly masses that miners call kidney ore.

    Black botryoidal hematite: rounded, bubbly masses that miners call kidney ore.

    Real specimen. Photo: James St. John, CC BY 2.0.

  2. 02 Crystals (step 2 of 4)

    Specular hematite, made of tiny flat crystals that glitter like mirrors.

    Specular hematite, made of tiny flat crystals that glitter like mirrors.

    Real specimen. Photo: Lloyd.james0615, CC BY 3.0.

  3. 03 Polished (step 3 of 4)

    Tumbled natural hematite from Brazil, polished to a metallic shine.

    Tumbled natural hematite from Brazil, polished to a metallic shine.

    Amazon listing photo. See it on Amazon

  4. 04 Coated (step 4 of 4)

    Golden hematite beads. The gold is a coating on the surface, and it fades with wear.

    Golden hematite beads. The gold is a coating on the surface, and it fades with wear.

    Amazon listing photo. See it on Amazon

Mineral
Iron oxide, Fe₂O₃
Hardness
5.5 to 6.5
Streak
Red to red-brown
Magnetic?
Only weakly; strong magnets are man-made
Uses
Iron ore, red ochre pigment, jewellery

Natural hematite vs magnetic “hematite” vs golden hematite

Natural hematite vs magnetic “hematite” vs golden hematite
Natural hematiteMagnetic “hematite” (hematine)Golden or rainbow hematite
What it isIron oxide from the groundA man-made material that looks like hematiteHematite or hematine beads with a metal-coloured coating
MagneticOnly weaklyStrongly: beads snap togetherDepends on the bead underneath
ColourGrey-black and metallic; red-brown when powderedGrey-black and metallicGold, rose or rainbow, on the surface only
What wears outCan scratch and chipCan scratch and chipThe coating, at the edges first
Does the colour fade?No: it is grey-black all the way throughNoYes: the gold wears off with use
Typical priceA few dollars for tumbled stonesVery cheapVery cheap

Treatments. Natural hematite is cut and polished, not dyed. Coloured hematite is coated: gold, rose-gold and rainbow beads all owe their colour to a thin film on the surface. If a listing calls beads “magnetic hematite”, they are man-made. All gem treatments explained.

Where does natural hematite come from?

Pins mark mining districts, not exact mines. Drag to move, pinch or scroll to zoom, tap a pin to read about it. Map data © OpenStreetMap contributors.

List of every place on the map (4)
  • Hematite: Ngwenya (Lion Cavern), Eswatini. Often called the oldest known mine in the world: people dug specular hematite here tens of thousands of years ago. Position approximate.
  • Hematite: Iron Quadrangle, Minas Gerais, Brazil. One of the world's great iron ore regions, and a source of tumbled hematite. Position approximate.
  • Hematite: Pilbara, Western Australia, Australia. Huge hematite iron ore deposits of the Hamersley Range. Position approximate.
  • Hematite: Egremont, Cumbria, England. Classic source of kidney ore, rounded masses of hematite. Position approximate.

Which hematite should you buy?

Listing photos; prices are rounded. How we choose.

Amazon prices as of . Prices and availability are accurate as of that date and time and are subject to change; the price shown on Amazon at the time of purchase applies.

Hematite specimens: still in the rock

From our specimen hall.

Hematite specimens to own

Sold as natural by the listing; listing photos.

Hematite stores worth browsing on Amazon

Brand stores whose hematite pieces we have checked, with one of their listings as an example. Browse the whole store: anything you buy through these links supports the site.

The hematite shop: 2 more pieces we trust

Every piece names the real stone. Listing photos; prices are rounded.

Your kit for hematite

Tools to check your stone →

In short

Hematite is iron oxide, the main iron ore, and it leaves a blood-red streak. Strongly magnetic beads are man-made, and golden hematite is coated, so its gold fades.

See our first pick: EISCO specular hematite specimen, about 3 cm

Frequently Asked Questions

Does golden hematite fade?

Yes. Natural hematite is grey-black; it never comes out of the ground gold. The gold colour is a thin coating on the bead, so it wears at the edges and where beads rub together, the same way plating does, and the grey-black stone shows through. Keep it away from water, perfume and rough surfaces to make it last. If you want a gold colour that cannot rub off, pyrite is gold-coloured all the way through.

How can I tell real hematite?

Two checks. Rub it on the unglazed back of a tile: real hematite leaves a red-brown streak. And try a magnet: natural hematite is only weakly magnetic, so beads that snap together hard are man-made. Coated beads cannot be streak-tested without scratching through the coating.

Is hematite good for jewellery?

Yes, as beads and . It is heavy, takes a mirror polish and costs very little. It is brittle, so a hard knock can chip a bead. Keep coated hematite away from water and chemicals.

Sources

Photo credits

  • hematite-botryoidal-black.webp: James St. John, CC BY 2.0, via Wikimedia Commons.
  • hematite-specular.webp: Lloyd.james0615, CC BY 3.0, via Wikimedia Commons.
  • Product photos: Amazon listings, via the Amazon Product Advertising (Creators) API.

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