Magnetite

UNB-2020-0058Minerals » Oxides

Description

Original Description: *Incomplete. Magnetite (Fe3O4) is an iron-black mineral with a metallic lustre. Streak is black and hardness is 5 1/2 to 6 1/2. Magnetite usually occurs as octahedrons, dodecahedrons with striations but can also be massive, coarse or fine granular, lamellar. High magnetism.

Specifications

Object name	Magnetite
ID	UNB-2020-0058
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	Bolivia
Pieces	1
Partial	No

Map of Origin

Publications

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