Specular Hematite

UNB-2020-0293Minerals » Oxides

Description

Sample of steel-grey Specular Hematite with a metallic lustre. Hematite (Fe2O3) can be steel-grey, red, reddish brown or black in colour. Lustre is metallic and streak is dark red, cherry-red or brownish red. Hardness is 5 to 6. Hematite usually occurs as thick to thin tabular, often as subparallel growths or rosettes that are striated. Hematite can also be compact, granular, radiated, reniform, botryoidal, columnar, micaceous (Specular) or earthy (Red Ocher).

Specifications

Object nameSpecular Hematite
IDUNB-2020-0293
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
OriginUnknown
Pieces1
PartialNo
Measurements
  • 2cm x 4.2cm x 3cm

Publications

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