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Sir Alexander A. Crichton
5 - 6
Crystal System:
Originally discovered by Count J. L. de Bournon in 1788. He published the name as craitonite 1813, in honor of Sir Alexander A. Crichton (2 December 1763, Newington, Edinburgh, Scotland - 4 June 1856), physician and mineral collector, who provided de Bournon with the specimens. The misspelling was an attempt to reproduce the pronunciation for French readers. In English text, the spelling crichtonite was used from the same time period. Full details of the name history and pronunciation are given by Hey, et al. 1969.
A member of the Crichtonite Group.

Visually similar to ilmenite.

Hide all sections | Show all sections

Classification of CrichtoniteHide

Approved, 'Grandfathered' (first described prior to 1959)

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

5 : AB21O38

7 : Oxides and Hydroxides
9 : Oxides of Ti

Physical Properties of CrichtoniteHide

Dark grey
5 - 6 on Mohs scale

Chemical Properties of CrichtoniteHide


Crystallography of CrichtoniteHide

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

Type Occurrence of CrichtoniteHide

Other Language Names for CrichtoniteHide

Simplified Chinese:锶铁钛矿
Traditional Chinese:鍶鐵鈦礦

Relationship of Crichtonite to other SpeciesHide

Other Members of this group:
AlmeidaitePbZn2(Mn,Y)(Ti,Fe3+)18O37(OH,O)Trig. 3 : R3
Cleusonite(Pb,Sr)(U4+,U6+)(Fe2+,Zn)2(Ti,Fe2+,Fe3+)18(O,OH)38Trig. 3 : R3
Davidite-(Ce)(Ce,La)(Y,U,Fe)(Ti,Fe)20(O,OH)38Trig. 3 : R3
Davidite-(Y)(La,Ce,Na,Ca,Pb)(Y,Fe2+,◻)(Fe2+,Mn2+)2(Ti,Fe3+,Nb,Zr)18O38 (hypothetical)Trig.
Dessauite-(Y)(Sr,Pb)(Y,U)(Ti,Fe3+)20O38Trig. 3 : R3
Gramaccioliite-(Y)(Pb,Sr)(Y,Mn)Fe3+2(Ti,Fe3+)18O38Trig. 3
LandauiteNaMnZn2(Ti,Fe)6Ti12O38Trig. 3 : R3
Mapiquiroite(Sr,Pb)(U,Y)Fe2(Ti,Fe3+,Cr3+)18O38Trig. 3 : R3
Mathiasite(K, Ba, Sr)(Zr, Fe)(Mg,Fe)2 (Ti,Cr,Fe)18O38Trig.
Mianningite(◻,Pb,Ce,Na)(U4+,Mn,U6+)Fe3+2 (Ti,Fe3+)18O38Trig. 3 : R3
PaseroitePbMn2+(Mn2+,Fe3+)2(V5+,Ti,◻)18O38 Trig. 3 : R3
UM1987-03-O:FePbTiU~(U,Pb)(Ti,Fe3+,Fe2+,Mn)21O38Trig. 3 : R3
Unnamed (HBU UK-4)NaFe2+Zn2(Ti,Fe3+,Nb)6Ti12O38Trig. 3 : R3
Forms a series with:

Common AssociatesHide

Associated Minerals Based on Photo Data:
Quartz3 photos of Crichtonite associated with Quartz on
Magnetite1 photo of Crichtonite associated with Magnetite on
Cafarsite1 photo of Crichtonite associated with Cafarsite on
Rutile1 photo of Crichtonite associated with Rutile on
Smoky Quartz1 photo of Crichtonite associated with Smoky Quartz on

Related Minerals - Nickel-Strunz GroupingHide

4.CC.AllendeiteSc4Zr3O12Trig. 3 : R3
4.CC.15GrossiteCaAl4O7Mon. 2/m : B2/b
4.CC.20ChlormayeniteCa12Al14O32[◻4Cl2]Iso. 4 3m : I4 3d
4.CC.25YafsoaniteCa3Zn3(TeO6)2Iso. m3 (2/m 3)
4.CC.30LatrappiteCa2NbFe3+O6Orth. mmm (2/m 2/m 2/m) : Pnma
4.CC.30LueshiteNaNbO3Orth. mmm (2/m 2/m 2/m)
4.CC.30PerovskiteCaTiO3Orth. mmm (2/m 2/m 2/m) : Pnma
4.CC.30BarioperovskiteBaTiO3Orth. mm2 : Amm2
4.CC.30LakargiiteCa(Zr,Sn,Ti)O3Orth. mmm (2/m 2/m 2/m) : Pnma
4.CC.30MegawiteCaSnO3Orth. mmm (2/m 2/m 2/m) : Pban
4.CC.35MacedonitePbTiO3Tet. 4/mmm (4/m 2/m 2/m) : P4/nmm
4.CC.35TausoniteSrTiO3Iso. 4 3m
4.CC.35Isolueshite(Na,La)NbO3Iso. m3m (4/m 3 2/m) : Pm3m
4.CC.40Davidite-(Ce)(Ce,La)(Y,U,Fe)(Ti,Fe)20(O,OH)38Trig. 3 : R3
4.CC.40Davidite-(Y)(La,Ce,Na,Ca,Pb)(Y,Fe2+,◻)(Fe2+,Mn2+)2(Ti,Fe3+,Nb,Zr)18O38 (hypothetical)Trig.
4.CC.40LandauiteNaMnZn2(Ti,Fe)6Ti12O38Trig. 3 : R3
4.CC.40Mathiasite(K, Ba, Sr)(Zr, Fe)(Mg,Fe)2 (Ti,Cr,Fe)18O38Trig.
4.CC.40Dessauite-(Y)(Sr,Pb)(Y,U)(Ti,Fe3+)20O38Trig. 3 : R3
4.CC.40Cleusonite(Pb,Sr)(U4+,U6+)(Fe2+,Zn)2(Ti,Fe2+,Fe3+)18(O,OH)38Trig. 3 : R3
4.CC.40Gramaccioliite-(Y)(Pb,Sr)(Y,Mn)Fe3+2(Ti,Fe3+)18O38Trig. 3
4.CC.45HawthorneiteBaMgTi3Cr4Fe2+2Fe3+2O19Hex. 6/mmm (6/m 2/m 2/m) : P63/mmc
4.CC.45PlumboferritePb2(Fe3+,Mn2+,Mg)11O19Trig. 3 2
4.CC.45HaggertyiteBaFe2+4Fe3+2Ti5MgO19Hex. 6/mmm (6/m 2/m 2/m) : P63/mmc
4.CC.45NežilovitePbZn2Mn4+2Fe3+8O19Hex. 6/mmm (6/m 2/m 2/m) : P63/mmc
4.CC.45Hibonite-(Fe)(Fe,Mg)Al12O19Hex. 6/mmm (6/m 2/m 2/m) : P63/mmc
4.CC.45BarioferriteBaFe3+12O19Hex. 6/mmm (6/m 2/m 2/m) : P63/mmc
4.CC.60Mengxianminite (of Huang et al.)(Ca,Na)3(Fe,Mn)2Mg2(Sn,Zn)5Al8O29

Related Minerals - Dana Grouping (8th Ed.)Hide,Fe)6Ti12O38Trig. 3 : R3,Ce,La)(Zr,Fe)(Mg,Fe)2(Ti,Fe,Cr,Al)18O38Trig.,Y,U)(Fe,Zn)2(Ti,Fe,Cr,V)18(O,OH)38Trig.,Ce)(Y,U,Fe)(Ti,Fe)20(O,OH)38Trig.,La)(Y,U,Fe)(Ti,Fe)20(O,OH)38Trig. 3 : R3, Ba, Sr)(Zr, Fe)(Mg,Fe)2 (Ti,Cr,Fe)18O38Trig.,Sr)(Zr,Ca)(Fe,Mg)2(Ti,Cr,Fe)18O38Trig.

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

7.9.2RutileTiO2Tet. 4/mmm (4/m 2/m 2/m) : P42/mnm
7.9.3AnataseTiO2Tet. 4/mmm (4/m 2/m 2/m) : I41/amd
7.9.4BrookiteTiO2Orth. mmm (2/m 2/m 2/m)
7.9.5GeikieliteMgTiO3Trig. 3 : R3
7.9.6PerovskiteCaTiO3Orth. mmm (2/m 2/m 2/m) : Pnma
7.9.8TausoniteSrTiO3Iso. 4 3m
7.9.13PyrophaniteMn2+TiO3Trig. 3 : R3
7.9.14IwakiiteMn2+Fe3+2O4Tet. 4/mmm (4/m 2/m 2/m) : I41/amd
7.9.15IlmeniteFe2+TiO3Trig. 3 : R3
7.9.16PseudobrookiteFe2TiO5Orth. mmm (2/m 2/m 2/m)
7.9.21Armalcolite(Mg,Fe2+)Ti2O5Orth. mmm (2/m 2/m 2/m)
7.9.24CafetiteCaTi2O5 · H2OMon. 2/m : P21/b
7.9.29AnkangiteBa(Ti,V3+,Cr)8O16Tet. 4/m : I4/m
7.9.30Ecandrewsite(Zn,Fe2+,Mn2+)TiO3Trig. 3 : R3
7.9.31LandauiteNaMnZn2(Ti,Fe)6Ti12O38Trig. 3 : R3

Other InformationHide

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 CrichtoniteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
de Bournon, J.L. (1813): 430.
de Bournon, J.L. (1814) Catalogue de la Collection Minéralogique du Comte de Bournon. The Monthly Review: 73: 17-32.
Claringbull, G.F. (1953) Mineralogical Society (London). American Mineralogist: 38: 734-737.
Hey, M.H., Embrey, P.G., Fejer, E.E. (1969) Crichtonite, a Distinct Species. Mineralogical Magazine: 37: 349-356.
Fleischer, M. (1970) New mineral names. American Mineralogist: 55: 533-535.
Grey, I.E., Lloyd, D.J., White, J.S. (1976) The structure of crichtonite and its relationship to senaite. American Mineralogist: 61: 1203-1212.
International Mineralogical Association (1980) International Mineralogical Association: Commission on new minerals and mineral names. Mineralogical Magazine: 43: 1053-1055.
Wülser, P.-A., Brugger, J., Meisser, N. (2004) The crichtonite group of minerals: a review of the classification. Bulletin de liaison de la Société Francaise de Minéralogie et Cristallographie: 16: 76-77.
Mills, S.J., Bindi, L., Cadoni, M., Kampf, A.R., Ciriotti, M.E., Ferraris, G. (2012) Paseroite, PbMn2+(Mn2+,Fe2+)2(V5+,Ti,Fe3+, )18O38, a new member of the crichtonite group. European Journal of Mineralogy: 24: 1061-1067.

Internet Links for CrichtoniteHide

Localities for CrichtoniteHide

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.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for 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 (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
  • Tyrol
    • North Tyrol
      • Zillertal
        • Zamser Grund (Zams valley)
I. Campostrini - Department of Structural Chemistry - University of Milan
  • Minas Gerais
No reference listed
  • 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 (TL)
  • Auvergne-Rhône-Alpes
    • Isère
      • Bourg d'Oisans
Catal.Collect.mineral.particul.Roi,(1813) p.430
      • Saint Christophe-en-Oisans
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
  • Brittany
    • Morbihan
      • Groix Island
        • Primiture
"Les minéraux, leurs gisements, leurs associations", P. Bariand, F. Cesbron et J. Geffroy (1977), Editions Minéraux et Fossiles, BRGM
  • Aosta Valley
    • Courmayeur
      • Monte Bianco Massif (Mont Blanc 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.
  • 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, 607 pp.; Vanini F., Kartashov P.M., Ciriotti M.E., Bonacina E. (2008): I minerali della Cima della Freghera (Formazza, Verbano-Cusio-Ossola). Micro (località), 2/2008, 251-260.
  • 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)
  • Northern Region
    • Murmanskaya Oblast'
      • Khibiny Massif; 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.
      • Pechengsky District
        • Pechenga Ni-Cu ore field
Компанченко А.А., Волошин А.В., Базай А.В. Ванадиевая минерализация в колчеданных проявлениях - новый тип для Южно-Печенгской структурной зоны, Кольский регион, - Месторождения стратегических металлов: закономерности размещения, источники вещества, условия и механизмы образования. Всероссийская конференция, посвящённая 85-летию ИГЕМ РАН.Москва, 25-27 ноября 2015 г. Материалы докладов. М.: ИГЕМ РАН, 2015. 336 с.
  • 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.
    • 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.
    • Binn Valley
      • Kriegalp Valley (Chriegalp Valley)
Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): Mineralienlexikon der Schweiz. Wepf (Basel), p. 125.
    • Visp
No reference listed
  • Montana
    • Hill Co.
      • Bearpaw Mts
Can Min 38:145-152
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