Mindat Logo
Home Page Log In Message Board The Mindat Directory
Register Search Pages Chat Now! (2 online) Mindat Auctions

Titanomaghemite

Formula:
Fe
3+
 
(Fe
3+
 
,Ti
4+
 
,Fe
2+
 
,[])
 
2
O
 
4
System:Isometric
Name:In allusion to its titanium content and relationship to Maghemite.


Occurs as inclusions in hematite in sea-floor basalt (Mid-Atlantic Ridge).

Classification of Titanomaghemite

IMA status:Valid - first described prior to 1959 (pre-IMA) - "Grandfathered" 1953
Nickel-Strunz 10th (pending) edition ID:4.BB.15

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
B : Metal: Oxygen = 3:4 and similar
B : With only medium-sized cations
mindat.org URL:http://www.mindat.org/min-29152.html
Please feel free to link to this page.

Type Occurrence of Titanomaghemite

Type Locality:Pretoria, Gauteng Province, South Africa

Crystallography of Titanomaghemite

Crystal System:Isometric
Class (H-M):4 3 2 - Gyroidal
Space Group:P43 3 2

Chemical Properties of Titanomaghemite

Formula:
Fe
3+
 
(Fe
3+
 
,Ti
4+
 
,Fe
2+
 
,[])
 
2
O
 
4
All elements listed in formula:Fe, O, Ti

Relationship of Titanomaghemite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
4.BB.05Brunogeierite
(Ge,Fe)Fe
 
2
O
 
4
4.BB.05Chromite
FeCr
 
2
O
 
4
4.BB.05Cochromite
(Co,Ni,Fe)(Cr,Al)
 
2
O
 
4
4.BB.05Coulsonite
FeV
 
2
O
 
4
4.BB.05Cuprospinel
Cu
2+
 
Fe
3+
2
O
 
4
4.BB.05Filipstadite
(Mn,Mg)
 
2
(Sb
 
.5
Fe
 
.5
)O
 
4
4.BB.05Franklinite
Zn
2+
 
Fe
3+
2
O
 
4
4.BB.05Gahnite
ZnAl
 
2
O
 
4
4.BB.05Galaxite
(Mn,Fe,Mg)(Al,Fe)
 
2
O
 
4
4.BB.05Hercynite
FeAl
 
2
O
 
4
4.BB.05Jacobsite
Mn
2+
 
Fe
3+
2
O
 
4
4.BB.05Manganochromite
(Mn,Fe)(Cr,V)
 
2
O
 
4
4.BB.05Magnesiocoulsonite
MgV
 
2
O
 
4
4.BB.05Magnesiochromite
MgCr
 
2
O
 
4
4.BB.05Magnesioferrite
MgFe
3+
2
O
 
4
4.BB.05Magnetite
Fe
2+
 
Fe
3+
2
O
 
4
4.BB.05Nichromite
(Ni,Co,Fe)(Cr,Fe,Al)
 
2
O
 
4
4.BB.05Qandilite
(Mg,Fe)
 
2
(Ti,Fe,Al)O
 
4
4.BB.05Spinel
MgAl
 
2
O
 
4
4.BB.05Trevorite
Ni
2+
 
Fe
3+
2
O
 
4
4.BB.05Ulvöspinel
Fe
 
2
TiO
 
4
4.BB.05Vuorelainenite
(Mn,Fe)(V,Cr)
 
2
O
 
4
4.BB.05Zincochromite
ZnCr
 
2
O
 
4
4.BB.10Hausmannite
MnMn
 
2
O
 
4
4.BB.10Hetaerolite
ZnMn
 
2
O
 
4
4.BB.10Hydrohetaerolite
ZnMn
 
2
O
 
4
·H
 
2
O
4.BB.10Iwakiite
Mn(Fe,Mn)
 
2
O
 
4
4.BB.15Maghemite
Fe
 
2
O
 
3
4.BB.20Tegengrenite
(Mg,Mn
2+
 
)
 
2
Sb
5+
0.5
(Mn
3+
 
,Si,Ti)
 
0.5
O
 
4
4.BB.25Xieite
Fe
2+
 
Cr
 
2
O
 
4

Other Names for Titanomaghemite

Other Languages:
Russian:Титаномаггемит

Other Information

Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Titanomaghemite

Reference List:Mineralogical Magazine 31 (1957), 624.
Economic Geology 54 (1959), 698.

Collyer, S., Grimes, N.W., Vaughan, D.J., and Longworth, G. (1988) Studies of the crystal structure and crystal chemistry of titanomaghemite. American Mineralogist: 73: 153-160.

Mineralogical Magazine 53 (1989), 299.

Internet Links for Titanomaghemite

Search Engines:
  • Look for Titanomaghemite on Google
  • Look for Titanomaghemite images on Google
    • External Links:
  • Look for Titanomaghemite on Webmineral
  • Look for Titanomaghemite on Athena Mineralogy
  • Look for Titanomaghemite on Wikipedia
  • Look for Titanomaghemite on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Search for Titanomaghemite in the Natural History Museum (London) online catalogue
    • Mineral Dealers:
  • SpiriferMinerals.com - high quality specimens
  • Buy Fine Minerals from mineralsweb.com
  • The Arkenstone - Fine Minerals
  • Lapis Mineral Magazin
  • Buy minerals from Mineralium.com
  • Search for - Titanomaghemite - on e-Rocks Mineral Sales & Auctions
  • Fine Minerals from Dan Weinrich Minerals
  • Mineral Classics - Worldwide Collector Quality Minerals and Gems
  • Top quality minerals from Kristalle of California
  • Rare and Unusual minerals at Mineralogical Research Company
  • Wendel Minerals - Auktion & Shop
  • Wright's Rock Shop - excellent mineral specimens since 1970
    • Jobs:
  • Mining & Geology Jobs

    • Page Sponsor

    Sponsorship:This page is currently not sponsored. Click here to sponsor this page.

    Localities for Titanomaghemite

    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    Atlantic Ocean
     
    Bernard, Jan H. & Jaroslav Hyršl (2004), Minerals and their Localities, Granit, Prague: 608.
    India
     
    • Andhra Pradesh
      • Guntur District
    		Canadian Mineralogist (1965) 8:334-338
    South Africa
     
    • Gauteng Province
    		American Mineralogist (1988): 73: 153-160; Mineralogical Magazine 53 (1989), 299
    Mineral and/or Locality
    Google
     
    www.mindat.org Web
    Copyright © Jolyon Ralph and Ida Chau 1993-2009. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 9th Oct 2009 11:21:38