Hematite

Main Elements:

Fe, O

Chemical Composition:

Fe₂O₃ (Iron Oxide)

Density:

5.0-5.3 g/cm³ (very dense!)

Compressive Strength:

Variable

Melting Point:

1538°C

Formation:

Forms in a variety of environments: sedimentary deposits, hydrothermal veins, and as an alteration product. Often forms botryoidal (grape-like) masses.

Composition:

Composed of iron oxide (Fe₂O₃), making it one of the most important iron ores. The red color comes from fine particles.

Types:

• Specular Hematite (mirror-like)
• Botryoidal Hematite (grape-like)
• Kidney Ore
• Red Ochre

Etymology:

Derived from the Greek word "haimatites" meaning "blood-like", referring to its red color when powdered.

Uses:

• Iron ore
• Jewelry
• Pigments (red ochre)
• Polishing compound
• Decorative items

Distribution:

Found worldwide, especially Brazil, Australia, China, and the United States

Historical Use:

Used for thousands of years as a pigment (red ochre) in cave paintings and as an iron ore. Ancient peoples used it for decoration and tools.

Symbolism:

Represents strength, grounding, and protection. Used in spiritual practices for grounding energy.

Why is hematite so heavy?

Hematite has a very high density (5.0-5.3 g/cm³) because it contains a lot of iron, making it much heavier than most rocks.

What is hematite used for?

Hematite is the most important iron ore, used to make steel. It's also used in jewelry, pigments (red ochre), and as a polishing compound.

Is hematite magnetic?

Hematite is weakly magnetic when heated, but not normally magnetic at room temperature. Some varieties may show weak magnetism.