Mineral description : Hematite

Hematite from Bastnäs.

Hematite from Kiruna. Crystallised as leafs with quartz filling up the space between.

Hematite from Långban.

Mineral class	Oxides : Hematite - Ilmenite - Magnetite group.
Chemical formula	Fe2O3
Crystal system	Trigonal.
Habitus	Flat tabular or rhomboedric crystals. Also as rose formed aggregates of crystals, "iron roses". Mostly as compact or grainy masses.
Cleavage	None, fracture uneven to subconchoidal.
Hardness	5-6
Density	5.26
Color	Black or steel gray, sometimes with iridiscent surface.
Streak	Blood-red.
Luster	Metallic.
Description	An important ore of iron.
Occurance	Both in magmatic and metamorph rocks. Sometimes in pegmatites and only rarely in sedimentary rocks.
Associates
Notes	Pseudomorphs of magnetite consisting of hematite is called Martite.
Locations	A very common mineral with a number of mines in both Bergslagen and Lappland. A number of localities with crystals exists : Harstigen, Persberg, Värmland. As flat crystals together with baryte. Långban. As small crystals in calcite. Malmberget, Lappland. Rich findings of tabular crystals up to 5 cm. Grängesberg, Dalarna. As big flat crystals.

To oxides index.

Mineral group index.

Main index.

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