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Crichtonite

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Formula:
Sr(Mn,Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH)38
System:
Trigonal
Colour:
Black
Hardness:
5 - 6
A member of the Crichtonite Group.

Visually similar to ilmenite.

Classification of Crichtonite

Approved
4.CC.40

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
C : Metal: Oxygen = 2: 3,3: 5, and similar
C : With large and medium-sized cations
8.5.1.3

8 : MULTIPLE OXIDES CONTAINING NIOBIUM,TANTALUM OR TITANIUM
5 : AB21O38
7.9.9

7 : Oxides and Hydroxides
9 : Oxides of Ti
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Type Occurrence of Crichtonite

Year of Discovery:
1813

Physical Properties of Crichtonite

Colour:
Black
Streak:
Dark grey
Hardness (Mohs):
5 - 6

Crystallography of Crichtonite

Crystal System:
Trigonal
Class (H-M):
3 - Rhombohedral
Space Group:
R3
Cell Parameters:
a = 10.37Å, c = 20.74Å
Ratio:
a:c = 1 : 2
Unit Cell Volume:
V 1,931.51 ų (Calculated from Unit Cell)
Z:
3

Chemical Properties of Crichtonite

Formula:
Sr(Mn,Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH)38
Essential elements:
All elements listed in formula:

Relationship of Crichtonite to other Species

Series:
Forms a series with Senaite (see here)
Other Members of Group:
AlmeidaitePbZn2(Mn,Y)(Ti,Fe3+)18O37(OH,O)
Cleusonite(Pb,Sr)(U4+,U6+)(Fe2+,Zn)2(Ti,Fe2+,Fe3+)18(O,OH)38
Davidite-(Ce)(Ce,La)(Y,U,Fe)(Ti,Fe)20(O,OH)38
Davidite-(La)(La,Ce)(Y,U,Fe)(Ti,Fe)20(O,OH)38
Davidite-(Y)(La,Ce,Na,Ca,Pb)(Y,Fe2+,◻)(Fe2+,Mn2+)2(Ti,Fe3+,Nb,Zr)18O38 (hypothetical)
Dessauite-(Y)(Sr,Pb)(Y,U)(Ti,Fe3+)20O38
Gramaccioliite-(Y)(Pb,Sr)(Y,Mn)Fe23+(Ti,Fe3+)18O38
LandauiteNaMnZn2(Ti,Fe)6Ti12O38
Lindsleyite(Ba,Sr)(Zr,Ca)(Fe,Mg)2(Ti,Cr,Fe)18O38
Loveringite(Ca,Ce,La)(Zr,Fe)(Mg,Fe)2(Ti,Fe,Cr,Al)18O38
Mapiquiroite(Sr,Pb)(U,Y)Fe2(Ti,Fe3+,Cr3+)18O38
Mathiasite(K, Ba, Sr)(Zr, Fe)(Mg,Fe)2 (Ti,Cr,Fe)18O38
Mianningite(◻,Pb,Ce,Na)(U4+,Mn,U6+)Fe23+ (Ti,Fe3+)18O38
PaseroitePbMn2+(Mn2+,Fe3+)2(V5+,Ti,◻)18O38
Romanite(◻,Pb,Ca)UFe22+(Ti,Fe3+)6Ti12O38
SenaitePb(Mn,Y,U)(Fe,Zn)2(Ti,Fe,Cr,V)18(O,OH)38
Unnamed (HBU UK-4)NaFe2+Zn2(Ti,Fe3+,Nb)6Ti12O38
4.CC.05ChrombismiteBi16CrO27
4.CC.10FreudenbergiteNa2(Ti,Fe)8O16
4.CC.15GrossiteCaAl4O7
4.CC.20ChlormayeniteCa12Al14O32Cl2
4.CC.25YafsoaniteCa3Zn3(TeO6)2
4.CC.30Latrappite(Ca,Na)(Nb,Ti,Fe)O3
4.CC.30LueshiteNaNbO3
4.CC.30NatroniobiteNaNbO3
4.CC.30PerovskiteCaTiO3
4.CC.30BarioperovskiteBaTiO3
4.CC.30LakargiiteCa(Zr,Sn,Ti)O3
4.CC.30MegawiteCaSnO3
4.CC.35Loparite-(Ce)(Na,Ce,Ca,Sr,Th)(Ti,Nb,Fe)O3
4.CC.35MacedonitePbTiO3
4.CC.35TausoniteSrTiO3
4.CC.35Isolueshite(Na,La,Ca)(Nb,Ti)O3
4.CC.40Davidite-(Ce)(Ce,La)(Y,U,Fe)(Ti,Fe)20(O,OH)38
4.CC.40Davidite-(La)(La,Ce)(Y,U,Fe)(Ti,Fe)20(O,OH)38
4.CC.40Davidite-(Y)(La,Ce,Na,Ca,Pb)(Y,Fe2+,◻)(Fe2+,Mn2+)2(Ti,Fe3+,Nb,Zr)18O38 (hypothetical)
4.CC.40LandauiteNaMnZn2(Ti,Fe)6Ti12O38
4.CC.40Lindsleyite(Ba,Sr)(Zr,Ca)(Fe,Mg)2(Ti,Cr,Fe)18O38
4.CC.40Loveringite(Ca,Ce,La)(Zr,Fe)(Mg,Fe)2(Ti,Fe,Cr,Al)18O38
4.CC.40Mathiasite(K, Ba, Sr)(Zr, Fe)(Mg,Fe)2 (Ti,Cr,Fe)18O38
4.CC.40SenaitePb(Mn,Y,U)(Fe,Zn)2(Ti,Fe,Cr,V)18(O,OH)38
4.CC.40Dessauite-(Y)(Sr,Pb)(Y,U)(Ti,Fe3+)20O38
4.CC.40Cleusonite(Pb,Sr)(U4+,U6+)(Fe2+,Zn)2(Ti,Fe2+,Fe3+)18(O,OH)38
4.CC.40Gramaccioliite-(Y)(Pb,Sr)(Y,Mn)Fe23+(Ti,Fe3+)18O38
4.CC.45DiaoyudaoiteNaAl11O17
4.CC.45HawthorneiteBa(MgTi3Cr4Fe4)O19
4.CC.45Hibonite(Ca,Ce)Al12O19
4.CC.45LindqvistitePb2Mn2+Fe16O27
4.CC.45Magnetoplumbite(Pb,Mn)(Fe,Mn)12O19
4.CC.45PlumboferritePb2Fe3+11-xMnx2+O19-2x, x = 1/3
4.CC.45YimengiteK(Cr,Ti,Fe,Mg)12O19
4.CC.45HaggertyiteBa[Fe62+Ti5Mg]O19
4.CC.45NežilovitePbZn2(Mn4+,Ti4+)2Fe83+O19
4.CC.45BatiferriteBa[Ti2Fe83+Fe22+]O19
4.CC.45Hibonite-(Fe)(Fe,Mg)Al12O19
4.CC.45BarioferriteBaFe123+O19
4.CC.50Jeppeite(K,Ba)2(Ti,Fe)6O13
4.CC.55ZenzénitePb3(Fe,Mn)4Mn3O13
4.CC.60Mengxianminite(Ca,Na)3(Fe,Mn)2Mg2(Sn,Zn)5Al8O29
7.9.1HongquiiteTiO
7.9.2RutileTiO2
7.9.3AnataseTiO2
7.9.4BrookiteTiO2
7.9.5GeikieliteMgTiO3
7.9.6PerovskiteCaTiO3
7.9.7KassiteCaTi2O4(OH)2
7.9.8TausoniteSrTiO3
7.9.10Lucasite-(Ce)CeTi2(O,OH)6
7.9.11Hibonite(Ca,Ce)Al12O19
7.9.12Yttrocrasite-(Y)(Y,Th,Ca,U)(Ti,Fe)2(O,OH)6
7.9.13PyrophaniteMn2+TiO3
7.9.14IwakiiteMn2+Fe23+O4
7.9.15IlmeniteFe2+TiO3
7.9.16PseudobrookiteFe2TiO5
7.9.17UlvöspinelFe2TiO4
7.9.18PseudorutileFe2Ti3O9
7.9.19FreudenbergiteNa2(Ti,Fe)8O16
7.9.20Kennedyite
7.9.21Armalcolite(Mg,Fe2+)Ti2O5
7.9.22Högbomite(Mg,Fe)2(Al,Ti)5O10
7.9.23Qandilite(Mg,Fe)2(Ti,Fe,Al)O4
7.9.24Cafetite(Ca,Mg)(Fe,Al)2Ti4O12 · 4H2O
7.9.25Loveringite(Ca,Ce,La)(Zr,Fe)(Mg,Fe)2(Ti,Fe,Cr,Al)18O38
7.9.26Lindsleyite(Ba,Sr)(Zr,Ca)(Fe,Mg)2(Ti,Cr,Fe)18O38
7.9.27PrideriteK(Ti74+Fe3+)O16
7.9.28Jeppeite(K,Ba)2(Ti,Fe)6O13
7.9.29AnkangiteBa(Ti,V3+,Cr)8O16
7.9.30Ecandrewsite(Zn,Fe2+,Mn2+)TiO3
7.9.31LandauiteNaMnZn2(Ti,Fe)6Ti12O38

Other Names for Crichtonite

Name in Other Languages:
German:Crichtonit
Simplified Chinese:锶铁钛矿
Spanish:Crichtonita
Traditional Chinese:鍶鐵鈦礦

Other Information

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

References for Crichtonite

Reference List:
Bournon (1813): 430.

American Mineralogist: 61: 1203-1212.

Mineralogical Magazine: 37: 349-356.

Internet Links for Crichtonite

Localities for Crichtonite

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.
(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? 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.
Austria
 
  • Tyrol
    • North Tyrol
      • Zillertal
        • Zamser Grund (Zams valley)
I. Campostrini - Department of Structural Chemistry - University of Milan
Brazil
 
  • Minas Gerais
No reference listed
Canada
 
  • Ontario
    • Thunder Bay District
Currie (1980)
      • Walsh Township
Potter, E. G. and Mitchell, R.H. (2005): Mineralogy of the Deadhorse Creek volcaniclastic breccia complex, northwestern Ontario, Canada. Contributions to Mineralogy and Petrology, 150 (2): 212-229
  • Québec
    • Chaudière-Appalaches
      • Les Appalaches RCM
        • Saint-Pierre-de-Broughton (West Broughton)
HORVÁTH, L., PFENNINGER-HORVÁTH, E. (2006) Brookite et anatase à Saint-Pierre-de-Broughton, Québec, Canada: Une minéralisation de type “fentes alpines.” Le Règne Minéral, No.71, 28-42 (in French).
France
 
  • Brittany
    • Morbihan
      • Groix
        • Groix Island
"Les minéraux, leurs gisements, leurs associations", P. Bariand, F. Cesbron et J. Geffroy (1977), Editions Minéraux et Fossiles, BRGM
  • Rhône-Alpes
    • Isère
      • Bourg d'Oisans
Catal.Collect.mineral.particul.Roi,(1813) p.430
Valverde J., De Ascencao Guedes R. (1999), Le Plan du Lac, Isère (France), Le Cahier des Micromonteurs, n°2, pp: 6-21
    • Savoie
      • La Lauzière massif
DE ASCENCAO GUEDES R. (2003). Les nouveaux minéraux de La Lauzière (Savoie). Le Règne Minéral n°50, pp.56-57. Editions du Piat.
DE ASCENCAO GUEDES R. (2003). Les nouveaux minéraux de La Lauzière (Savoie). Le Règne Minéral n°50, pp.56-57. Editions du Piat.
DE ASCENCAO GUEDES R. (2003). Les nouveaux minéraux de La Lauzière (Savoie). Le Règne Minéral n°50, pp.56-57. Editions du Piat.
DE ASCENCAO GUEDES R. (2003). Les nouveaux minéraux de La Lauzière (Savoie). Le Règne Minéral n°50, pp.56-57. Editions du Piat.
      • Lanslebourg
De Ascenção Guedes, R., Meisser, N. & Schaub, L.R. (2008): Les minéraux de titane, uranium et terres rares du Mont-Cenis, Lanslebourg, Savoie. Le Règne Minéral, 84, 40-50.
      • Maurienne valley
        • Belledonne massif
          • St Colomban des Villards
DE ASCENCAO GUEDES R. (2003). Des crichtonites dans Belledonne. Le Règne Minéral n°50, pp.56. Editions du Piat.
      • Tarentaise valley
        • La Léchère (Notre Dame de Briançon)
De Ascencao Guedes R., Meisser N. (2002), Les fentes à cristaux de Pierre Château, La Léchère, Tarentaise (Savoie), Le Règne Minéral, n°44, pp: 35-45
Italy
 
  • Aosta Valley
    • Courmayeur
      • Les Grandes Jorasses Massif
        • Ferret Valley
Piccoli, G.C., Maletto, G., Bosio, P., Lombardo, B. (2007): Minerali del Piemonte e della Valle d'Aosta. Associazione Amici del Museo "F. Eusebio" Alba, Ed., Alba (Cuneo) 607 pp.
  • Liguria
    • Savona Province
      • Sassello
        • Veirera
Balestra, C., Kolitsch, U., Blass, G., Callegari, A.M., Boiocchi, M., Armellino, G., Ciriotti, M.E., Ambrino, P. Bracco, R. (2009): Mineralogia ligure 2007-2008: novità caratterizzate dal Servizio UK dell’AMI. Micro, 1-2009, 78-99.
  • Piedmont
    • Verbano-Cusio-Ossola Province
      • Ossola Valley
        • Antigorio Valley
          • Devero Valley
            • Baceno
              • Devero Alp
Lapis, 20 (7/8), 41-64+76.
        • Formazza Valley
          • Formazza
Piccoli, G.C., Maletto, G., Bosio, P., Lombardo, B. (2007). Minerali del Piemonte e della Valle d'Aosta. Associazione Amici del Museo "F. Eusebio" Alba, Ed., Alba (Cuneo) 607 pp.
Madagascar
 
  • Fianarantsoa Province
    • Amoron'i Mania Region
      • Ambatofinandrahana District
        • Imorona valley
Lacroix, A. (1922): Mineralogie de Madagascar, Tome I. Géologie-Minéralogie descriptive. A.Challamel (Éditeur), Paris. 624p (p.587)
Russia
 
  • Northern Region
    • Murmanskaja Oblast'
      • Kola Peninsula
        • Khibiny Massif
http://maurice.strahlen.org/kola/khibiny.htm; Mikhailova, Y.A., Konopleva, N.G., Yakovenchuk, V.N., Ivanyuk, G.Y., Men’shikov, Y.P., and Pakhomovsky, Y.A. (2007): Geology of Ore Deposits 49(7), 590-598.
Switzerland
 
  • Grischun (Grisons; Graubünden)
    • Vorderrhein Valley
      • Tujetsch (Tavetsch)
        • Sedrun
Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): Mineralienlexikon der Schweiz. Wepf (Basel), p. 125.
  • Wallis (Valais)
    • Anniviers Valley
      • Ayer
Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): Mineralienlexikon der Schweiz. Wepf (Basel), p. 125.
    • Binn Valley
      • Kriegalp Valley (Chriegalp Valley)
Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): Mineralienlexikon der Schweiz. Wepf (Basel), p. 125.
    • Les Bagnes Valley
      • Entremont Valley
        • Ferret Valley
          • La Fouly
Cuchet, S., Schnyder, C. & Meisser, N. (2003): Les minéraux de L'A Neuve. Schweizer Strahler / Le Cristallier Suisse, Nr. 3, 28-37.; Cuchet, S., Schnyder, C. & Meisser, N. (2003): Les minéraux de L'A Neuve. Schweizer Strahler / Le Cristallier Suisse, Nr. 3, 28-37.
    • Visp
No reference listed
USA
 
  • Montana
    • Hill Co.
      • Bearpaw Mts
Can Min 38:145-152
Mineral and/or Locality  
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