Hematite

UNB-2017-0084Minerals » Oxides

Description

Sample is red-brown compacted banded Hematite. Hematite (Fe2O3) can be steel-grey, red, reddish-brown or black in colour. Lustre is metallic and streak is either dark red, cherry-red or brownish red. Hardness is 5 to 6. Hematite is usually found as thick or thin tabular growths or rosettes. Hematite can also be compact, granular, compact, reniform, botryoidal, columnar, micaceous (Specular Hematite) or earthy in form.

Specifications

Object name	Hematite
ID	UNB-2017-0084
Legal status	Permanent collection
Category	Mineral
Classification	Mineral group: Oxides
Composition	Cu2O Al2O3 CeO2 SnO2 TiO2 Fe3O4 FeO(OH) FeTiO3 (Y,REE)NbO4 ZnFe2O4 Fe2O3 FeCr2O4 FeO CuO Ta2O5 (Fe,Mn)(Ta,Nb)2O6 MgAl2O4 TiO2 (Ba,H2O)2(Mn4+,Mn3+)5O10 MnO2 CaTiO3 MgO FeO(OH)·nH2O Al2O3 CaO
Origin	Minnesota, U.S.A.
Pieces	1
Partial	No
Measurements	5.8cm x 12.2cm x 3.4cm

Map of Origin

Publications

Chesterman, C.W. 1979. Audubon Society, Field Guide to North American Rocks and Minerals. Knopf.