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Magnetite

UNB-2020-0290Minerals » Oxides

Description

Large massive sample of Magnetite. Magnetite (Fe3O4) is an iron-black mineral with a metallic lustre and a black streak. Hardness is 5 1/2 to 6 1 /2. Magnetite usually occurs as octahedrons, dodecahedrons with striations, massive, coarse or fine granular or lamellar. High Magnetism. *Missing.

Specifications

Object nameMagnetite
IDUNB-2020-0290
Legal statusPermanent collection
CategoryMineral
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
OriginNew Brunswick, Canada
Pieces1
PartialNo
Measurements
  • 7.8cm x 16.5cm x 9cm

Map of Origin

Publications

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