Physical Properties:
* Color: Hematite can be reddish-brown, steel gray, or black depending on the form.
* Streak: Its streak is always reddish-brown, a useful identifying feature.
* Luster: Hematite can be metallic, earthy, or dull.
* Hardness: It has a Mohs hardness of 5.5 to 6.5.
* Crystal System: Hematite crystallizes in the hexagonal system, but it often occurs in massive forms.
* Magnetic Properties: While not strongly magnetic, hematite exhibits weak ferromagnetism in some forms.
Chemical Properties:
* Stable: Hematite is a very stable mineral, resistant to weathering and corrosion.
* High Melting Point: It has a high melting point of 1565°C (2849°F).
* Insoluble: Hematite is insoluble in water and most acids.
Other Notable Properties:
* Pigment: Hematite is a key component of red ochre, a natural pigment used in art and industry for thousands of years.
* Iron Ore: Hematite is a major source of iron, making it vital for steel production.
* Medicinal Uses: In ancient times, hematite was believed to have healing properties. Today, some believe it can enhance blood flow and energy levels.
* Metaphysical Uses: Hematite is popular in metaphysical practices, believed to promote grounding, focus, and protection.
Specific Forms:
* Specular Hematite: A shiny, metallic form with a mirror-like surface.
* Kidney Ore: A type of hematite with a kidney-shaped form and a smooth, rounded surface.
* Red Ochre: An earthy, powdery form of hematite used as a pigment.
These various properties make hematite a versatile and valuable mineral with applications ranging from industrial to artistic and spiritual.
