Hematite
What is Hematite?

Hematite is an iron oxide mineral that is known for its metallic luster and varying shades of black and steel to silver-grey. It’s primarily found in Brazil, Venezuela, and Canada. Hematite has been used for centuries for both decorative and functional purposes, including in jewelry and as a pigment.
Hematite is a metallic grey mineral that is highly valued for its reflective surface and its ability to be magnetized. It’s often used in jewelry and has been used historically as a pigment in paints. Its metallic luster and reflective qualities make it a popular choice for mirrors and other decorative items.
Chemical Classification | Inorganic - Oxide |
Color | Ranges from pale yellow to brownish-orange. |
Streak | White |
Luster | Vitreous. |
Transparency | Transparent. |
Occurrence | Brazil, Madagascar, and Russia. |
Formation | Typically found in hydrothermal veins and pegmatites. |
Diaphaneity | Opaque |
Cleavage | None |
Mohs Hardness | 7 |
Specific Gravity | Approximately 2.65. |
Diagnostic Properties | Metallic or earthy luster, red streak. |
Chemical Composition | Fe2O3 |
Pleochroism | None. |
Crystal System | Trigonal |
Optical Properties | Uniaxial (-) |
Refractive Index | 2.940 - 3.220 |
Birefringence | None (isotropic) |
2V angle | Not applicable (isometric) |
Dispersion | 0.013 (similar to other quartz varieties). |