Hematite

Hematite Crystals

Hematite is an iron oxide mineral (Fe2O3) with a Mohs hardness of 5.5-6.5 and a distinctive metallic-to-submetallic luster when polished. It is one of the most important iron ore minerals on earth and one of the most grounding stones to hold — its high iron content gives it a density that feels noticeably heavier than most stones its size. Polished hematite achieves a mirror-like silver-black finish, while raw specimens often show botryoidal (grape-like) formations.

Despite its silver-black polished appearance, hematite's streak (the color left when scratched across unglazed porcelain) is blood-red — a property that gave the mineral its name, from Greek haima meaning "blood." Major sources include Brazil, Australia, Venezuela, and the Lake Superior region of North America, where banded iron formations (BIFs) hold some of the world's oldest hematite deposits at over 2 billion years old.

This collection includes polished specimens, tumbled stones, bracelets, palm stones, raw botryoidal specimens, and carved forms. Hematite pairs naturally with black tourmaline, smoky quartz, and obsidian in grounding displays. Browse our grounding crystals or protection crystals collections. Free shipping on all U.S. orders over $150.

Frequently Asked Questions

What is hematite?

Hematite is an iron oxide mineral (Fe2O3) — one of the most abundant minerals on earth and the primary ore of iron. It has a Mohs hardness of 5.5-6.5, a metallic luster when polished, and a distinctive red streak. It forms in sedimentary, metamorphic, and igneous environments and has been used as a pigment (red ochre) since prehistoric times.

Why does hematite feel so heavy?

Hematite has a specific gravity of about 5.3, making it roughly twice as dense as quartz (2.65). This high density comes from its iron content. When you pick up a hematite specimen, the weight is immediately noticeable — it is one of the densest common minerals that collectors regularly handle.

Is hematite magnetic?

Natural hematite is weakly magnetic at best — it is antiferromagnetic, meaning its internal magnetic moments cancel out. "Magnetic hematite" sold in some markets is typically a synthetic material (ceramic barium ferrite) that is not genuine hematite. All hematite at Crystals.com is natural mineral hematite.

How do I care for hematite?

Hematite is moderately hard (Mohs 5.5-6.5) but can rust if left in water for extended periods, as it is an iron compound. Wipe with a dry cloth. Avoid prolonged water exposure, especially for polished pieces where moisture can dull the metallic finish. Store separately from harder minerals that could scratch the polished surface.

What is the difference between hematite and magnetite?

Both are iron oxide minerals but with different chemistry. Hematite is Fe2O3 (iron(III) oxide) with a red streak. Magnetite is Fe3O4 (iron(II,III) oxide) with a black streak and strong natural magnetism. Hematite has a metallic silver luster when polished; magnetite is typically duller and always strongly magnetic. In a crystal collection, hematite is the more visually striking of the two.