Hematite (noun)

A common iron oxide mineral with a metallic luster, typically found in shades of gray or red.

Origin:

From greek haimatitis, from haima 'blood', as the mineral was thought to resemble blood in color.

Examples:

1. Hematite was a popular material for jewelry, as it was believed to have healing properties.
2. Hematite was often used as a pigment in ancient times, giving the red color to red ochre.
3. The hematite ore was mined and processed to produce iron for steel production.
4. Hematite was also used in the manufacture of iron-rich fertilizers, as it contains a high proportion of iron.
5. The polished surface of hematite was said to resemble a mirror, and was used as a divination tool in ancient cultures.