I would say at the beginning of the Iron Age, as hematite is iron ore
Hungay
Yes, hematite can be formed by inorganic processes.
Magnetite belongs to the spinel group of minerals
Bauxite and hematite are called ores, since they both produce useful minerals.(Bauxite - Aluminum)(Hematite - Iron)
Yes, Hematite is a non silicate mineral. It is part of the Oxides group.
Not Radioactive
hematite
Yes, hematite is a mineral.
Hematite is an ore of iron.
Hematite intermixed with Goethite is also known as Rainbow Hematite and is wonderfully iridescent.
Hematite is a mineral composed largely of iron. Hematite rosary beads would be beads made of hematite used for a rosary.
Hematite is a mineral of iron: Fe2O3.
Hematite has a dramatic red streak.
Hematite's color is mostly sliver
hematite is a mineral that is used for jewelry
Hematite is an oxide of iron.
Hematite is a 6.5 on the Mohs scale of mineral hardness.
A ring made of hematite. Hematite is the mineral form of iron and is a dark gray color, sometimes magnetic.