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Pseudorutile

A valid IMA mineral species
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About PseudorutileHide

Formula:
Fe3+2Ti4+3O9
Colour:
Dark steel-gray on fresh fractures, light brown to black
Lustre:
Metallic, Sub-Metallic
Hardness:
Specific Gravity:
3.8
Crystal System:
Hexagonal
Name:
Named for the relation to rutile.
Closely related to kleberite. Chemically, but not structurally, the Fe analogue of machiite and schreyerite. The Fe analogue of (the Mn dominant) UM2004-26-O:FeMnTi.
Compare the chemically similar carmichaelite.

See also Arizonite (of Palmer).


Unique IdentifiersHide

Mindat ID:
3296
Long-form identifier:
mindat:1:1:3296:0

IMA Classification of PseudorutileHide

Approved
IMA status notes:
Redefined by the IMA
First published:
1966
Approval history:
Redefined 1994 s.p.: Grey et al. (1994).

Classification of PseudorutileHide

4.CB.25

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
C : Metal: Oxygen = 2: 3,3: 5, and similar
B : With medium-sized cations
8.4.2.1

8 : MULTIPLE OXIDES CONTAINING NIOBIUM,TANTALUM OR TITANIUM
4 : A2B3O9
7.9.18

7 : Oxides and Hydroxides
9 : Oxides of Ti

Mineral SymbolsHide

As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

SymbolSourceReference for Standard
PdrtIMA–CNMNCWarr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Pronunciation of PseudorutileHide

Pronunciation:
PlayRecorded byCountry
Jolyon & Katya RalphUnited Kingdom

Physical Properties of PseudorutileHide

Metallic, Sub-Metallic
Transparency:
Opaque
Colour:
Dark steel-gray on fresh fractures, light brown to black
Streak:
Reddish brown
Hardness:
5½ on Mohs scale
Tenacity:
Brittle
Fracture:
Sub-Conchoidal
Density:
3.8 g/cm3 (Measured)    4.82 g/cm3 (Calculated)

Optical Data of PseudorutileHide

Type:
Uniaxial
Pleochroism:
Weak
Comments:
very weak in reds
Comments:
n = ∼2.62

Chemistry of PseudorutileHide

Mindat Formula:
Fe3+2Ti4+3O9
Element Weights:
Element% weight
O36.063 %
Ti35.965 %
Fe27.973 %

Calculated from ideal end-member formula.
O
Ti
Fe

Crystallography of PseudorutileHide

Crystal System:
Hexagonal
Class (H-M):
622 - Trapezohedral
Space Group:
P6322
Cell Parameters:
a = 14.375(6) Å, c = 4.615(3) Å
Ratio:
a:c = 1 : 0.321
Unit Cell V:
825.88 ų (Calculated from Unit Cell)
Z:
6
Morphology:
thin, irregular plates having fibrous texture; fine-grained, massive.

Crystal StructureHide

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IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0000471PseudorutileGrey I E, Reid A F (1975) The structure of pseudorutile and its role in the natural alteration of ilmenite American Mineralogist 60 898-90619750293
CIF Raw Data - click here to close

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
1.6860 Å(100)
2.481 Å(80)
2.187 Å(70)
2.784 Å(20d)
3.897 Å(15d)
2.2993 Å(8)
1.6253 Å(6d)

Geological EnvironmentHide

Paragenetic Mode(s):
Paragenetic ModeEarliest Age (Ga)
Stage 7: Great Oxidation Event<2.4
47h : [Near-surface oxidized, dehydrated minerals]

Type Occurrence of PseudorutileHide

Other Language Names for PseudorutileHide

Varieties of PseudorutileHide

Common AssociatesHide

Associations Based on Photo Data:
1 photo of Pseudorutile associated with KleberiteFeTi6O11(OH)5
1 photo of Pseudorutile associated with QuartzSiO2
1 photo of Pseudorutile associated with TopazAl2(SiO4)(F,OH)2
1 photo of Pseudorutile associated with ChromiteFe2+Cr3+2O4
1 photo of Pseudorutile associated with Bixbyite-(Mn)Mn3+2O3
1 photo of Pseudorutile associated with DolomiteCaMg(CO3)2

Related Minerals - Strunz-mindat GroupingHide

4.CB.Magnesiohögbomite-6N12SMg5Al11TiO23(OH)Trig. 3m(32/m) : R3m
4.CB.KidoditeBaMg2Fe16O27Hex. 6/mmm(6/m2/m2/m) : P63/mmc
4.CB.Ferrohögbomite-2N2S[(Fe2+,Mg,Zn,Al)3(Al,Ti,Fe3+)8O15(OH)]2Hex. 6mm : P63mc
4.CB.Zhenruite(MoO3)2 · H2OMon. 2/m : P21/m
4.CB.FuyuaniteMg7Nb6O18(OH)8Trig. 3 : P3
4.CB.VirgilluethiteMoO3 · H2OMon. 2/m : P21/b
4.CB.Pengite(Pb8Sb3+3)Σ11Sb5+9O35Trig. 3m(32/m) : R3m
4.CB.05BrizziiteNaSb5+O3Trig. 3 : R3
4.CB.05TistariteTi3+2O3Trig. 3m(32/m) : R3c
4.CB.05HematiteFe2O3Trig. 3m(32/m) : R3c
4.CB.05EcandrewsiteZnTiO3Trig. 3 : R3
4.CB.05MelanostibiteMn2+2Fe3+Sb5+O6Trig. 3 : R3
4.CB.05'UM1998-11-O-AuHSb'Au+2Sb3+O2(OH)
4.CB.05KarelianiteV3+2O3Trig. 3m(32/m) : R3c
4.CB.05CorundumAl2O3Trig. 3m(32/m) : R3c
4.CB.05EskolaiteCr2O3Trig. 3m(32/m) : R3c
4.CB.05GeikieliteMgTiO3Trig. 3 : R3
4.CB.05AkimotoiteMgSiO3Trig. 3 : R3
4.CB.05'Unnamed (Fe-Cr Oxide)'FeCrO3Trig. 3 : R3
4.CB.05'Auroantimonate'AuSbO3
4.CB.05HemleyiteFe2+SiO3Trig. 3 : R3
4.CB.05IlmeniteFe2+TiO3Trig. 3 : R3
4.CB.05PyrophaniteMn2+TiO3Trig. 3 : R3
4.CB.10Bixbyite-(Fe)(Fe,Mn)2O3Iso.
4.CB.10Bixbyite-(Mn)Mn3+2O3Iso. m3(2/m3) : Ia3
4.CB.10AvicenniteTl3+2O3Iso. m3(2/m3) : Ia3
4.CB.15ArmalcoliteMgTi4+2O5Orth. mmm(2/m2/m2/m)
4.CB.15FerropseudobrookiteFe2+Ti4+2O5Orth. mmm(2/m2/m2/m) : Cmcm
4.CB.15GriffiniteAl2Ti4+O5Orth. mmm(2/m2/m2/m) : Cmcm
4.CB.15Pseudobrookite Group
4.CB.15SassiteTi3+2Ti4+O5Orth. mmm(2/m2/m2/m) : Cmcm
4.CB.15PseudobrookiteFe3+2Ti4+O5Orth. mmm(2/m2/m2/m) : Cmcm
4.CB.20Zincovelesite-6N6SZn3(Fe3+,Mn3+,Al,Ti)8O15(OH)Trig. 3m(32/m) : P3m1
4.CB.20Magnesiohögbomite-2N4S(Mg8.43Fe2+1.57)Σ=10Al22Ti4+2O46(OH)2Hex. 6mm : P63mc
4.CB.20Magnesiobeltrandoite-2N3S(Mg6Al2)(Al18Fe3+2)O38(OH)2 Trig. 3m : P3m1
4.CB.20Zincohögbomite-2N6S[(Zn,Mg)7(Al,Fe3+,Ti)16O31(OH)]2Hex. 6mm : P63mc
4.CB.20Magnesiohögbomite-6N6S[(Mg,Fe2+)3(Al,Ti,Fe3+)8O15(OH)]6Trig. 3m(32/m) : R3m
4.CB.20Magnesiohögbomite-2N3S[(Mg,Fe2+,Zn)4(Al,Ti,Fe3+)10O19(OH)]2Trig. 3m(32/m) : P31m
4.CB.20Magnesiohögbomite-2N2S[(Mg,Fe2+)3[Al7(Ti,Fe3+)]O15(OH)]2Hex. 6mm : P63mc
4.CB.20'Ferrohögbomite-6N12S'[(Fe2+,Mg,Zn)5(Al,Ti,Fe3+)12O23(OH)]6Trig. 3m(32/m) : R3m
4.CB.20Zincohögbomite-2N2S[(Zn,Al,Fe2+)3(Al,Fe3+,Ti)8O15(OH)]2Hex. 6mm : P63mc
4.CB.25KleberiteFeTi6O11(OH)5Mon. 2/m : P21/b
4.CB.30OxyvaniteV3+2V4+O5Mon. 2/m : B2/b
4.CB.30BerdesinskiiteV3+2TiO5Mon.
4.CB.30KaitianiteTi3+2Ti4+O5Mon. 2/m : B2/b
4.CB.35MachiiteAl2Ti3O9Mon. 2/m : B2/b
4.CB.35Vestaite(Ti4+Fe2+)Ti4+3O9Mon. 2/m : B2/b
4.CB.35Olkhonskite(Cr,V)2Ti3O9Mon.
4.CB.35SchreyeriteV3+2Ti4+3O9Mon. 2/m : B2/b
4.CB.40Zincorinmanite-(Zn)Zn2Sb2(Fe3+4Zn2)O14(OH)2Hex. 6mm : P63mc
4.CB.40MajindeiteMg2Mo3O8Hex. 6mm : P63mc
4.CB.40AlmagreraiteCuZnMn4+3O8Orth. mm2 : Pmn21
4.CB.40KamiokiteFe2Mo3O8Hex. 6mm : P63mc
4.CB.40NolaniteV3+8Fe3+2O14(OH)2Hex. 6mm : P63mc
4.CB.40IseiteMn2Mo3O8Hex. 6mm : P63mc
4.CB.40RinmaniteZn2Sb2Mg2Fe4O14(OH)2Hex. 6 : P63
4.CB.45StibioclaudetiteAsSbO3Mon. 2/m : P21/m
4.CB.45ClaudetiteAs2O3Mon. 2/m
4.CB.50SenarmontiteSb2O3Iso. m3m(4/m32/m) : Fd3m
4.CB.50ArsenoliteAs2O3Iso. m3m(4/m32/m) : Fd3m
4.CB.55ValentiniteSb2O3Orth. mmm(2/m2/m2/m) : Pccn
4.CB.60BismiteBi2O3Mon. 2/m : P21/b
4.CB.65SphaerobismoiteBi2O3Tet.
4.CB.70SilléniteBi12SiO20Iso. 23 : I23
4.CB.75KyzylkumiteV3+Ti2O5(OH)Mon. 2/m : P21/b
4.CB.80'Tietaiyangite'Fe3+4Fe2+TiO9Hex.
4.CB.85LiuiteFeTiO3Orth. mmm(2/m2/m2/m) : Pnma
4.CB.90LuogufengiteFe2O3Orth. mm2 : Pna21
4.CB.95WangdaodeiteFeTiO3Trig. 3m : R3c

Other InformationHide

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

Internet Links for PseudorutileHide

References for PseudorutileHide

Reference List:

Localities for PseudorutileHide

Showing 44 localities.

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
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Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for references and further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.
Algeria
 
  • Ouargla Province
    • Hassi Messaoud District
      • Hassi Messaoud
Hejny et al. (2002)
Antarctica
 
  • East Antarctica
    • Princess Elizabeth Land
      • Ingrid Christensen Coast
        • Prydz Bay
          • Larsemann Hills
Grew et al. (2007)
Babenko et al. (2026)
Australia
 
  • New South Wales
    • Taila Co.
[var: Hydroxylian Pseudorutile] Museum Victoria Mineralogy Collection
  • South Australia
Grey et al. (1994)
  • Tasmania
    • King Island municipality
      • King Island
        • Naracoopa
Bottrill & Bacon in prep
  • Victoria
    • Northern Grampians Shire
      • Carapooee
Birch et al. (2007) +1 other reference
    • Swan Hill Rural City
      • Lake Boga
Mills (2004)
Austria
 
  • Salzburg
    • Hallein District
      • Scheffau am Tennengebirge
        • Moosegg
Kolitsch et al. (2026)
  • Tyrol
    • Innsbruck-Land District
      • Fulpmes
Melcher (1991) +1 other reference
Brazil
 
  • Sergipe
    • Brejo Grande
de Menezes et al. (2024)
Cameroon
 
  • Northwest Region
    • Donga-Mantung
      • Nkambe
[var: Hydroxylian Pseudorutile] Tetsopgang et al. (2003)
Canada
 
  • Northwest Territories
Ercit et al. (2003)
  • Ontario
    • Parry Sound District
      • Chapman Township
Ercit (1994)
  • Québec
    • Montréal
176-178. +2 other references
Czech Republic
 
  • Liberec Region
Scharm +7 other references
  • Vysočina Region
    • Třebíč District
Škoda et al. (2016) +1 other reference
Germany
 
  • Saxony-Anhalt
    • Anhalt-Bitterfeld
      • Bitterfeld-Wolfen
        • Bitterfeld
Bautsch et al. (1978)
  • Saxony
    • Leipzig District
      • Frohburg
Bautsch et al. (1978) +1 other reference
    • Mittelsachsen
      • Claußnitz
        • Diethensdorf
www.uni-wuerzburg.de (n.d.)
      • Halsbrücke
        • Hetzdorf
Bautsch et al. (1978) +1 other reference
      • Königshain-Wiederau
Bautsch et al. (1978)
Greece
 
  • North Aegean
Iliopoulos et al. (2004)
Hungary
 
  • Borsod-Abaúj-Zemplén County
    • Miskolc District
      • Bükkszentkereszt
Gál P. (2014)
Indonesia
 
  • Bangka-Belitung Province
Zglinicki et al. (2021)
Kazakhstan
 
  • Ulytau Region
    • Satpayev
Suiekpayev et al. (2019) +1 other reference
Poland
 
  • Lower Silesian Voivodeship
    • Kłodzko County
      • Gmina Nowa Ruda
        • Przygórze
          • Bolesław Mine
Ł. Kruszewski
  • Pomeranian Voivodeship
    • Człuchów County
      • Przechlewo commune
        • Nowa Brda
Godyń et al. (2002)
Russia
 
  • Krasnoyarsk Krai
    • Yeniseisk District
Dai et al. (2022)
  • Sakha
Kostin (2021)
  • Tambov Oblast
Patyk-Kara et al. (2008)
  • Zabaykalsky Krai
    • Kalarsky District
Sklyarov et al. (2016)
Senegal
 
  • Thiès Region
    • Tivaouane
Delaporte (2020)
Slovakia
 
  • Trenčín Region
    • Považská Bystrica District
      • Stupné
Uher et al. (2015)
South Africa
 
  • Western Cape
    • West Coast District Municipality
      • Matzikama Local Municipality
Macdonald et al. (1997)
Ukraine
 
  • Donetsk Oblast
    • Volnovakha Raion
Sharygin et al. (2011)
USA
 
  • Colorado
    • El Paso County
Hanson et al. (2013)
    • Park County
AmMin 84:754-763
www.smmp.net/IMA-CM/ctms_p.pdf.
  • New Jersey
    • Ocean County
rruff.geo.arizona.edu (n.d.)
  • Wisconsin
    • Sauk County
      • North Freedom
55TH INSTITUTE ON LAKE SUPERIOR GEOLOGY (2009)
  • Wyoming
    • Crook County
Andersen et al. (2017)
 
and/or  
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