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Crichtonite

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Formula:
(Sr,La,Ce,Y)(Ti,Fe
3+
 
,Mn)
 
21
O
 
38
System:TrigonalColour:Black
Hardness:5 - 6
Member of:Crichtonite Group


A member of the Crichtonite Group.

Visually similar to ilmenite.

Classification of Crichtonite

IMA status:Approved
Strunz 8th edition ID:4/C.09-40
Nickel-Strunz 10th (pending) edition ID: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
Dana 8th edition ID:8.5.1.3

8 : MULTIPLE OXIDES CONTAINING NIOBIUM,TANTALUM OR TITANIUM
5 : AB21O38
Hey's CIM Ref.:7.9.9

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

Type Locality:St Christophe-en-Oisans, Bourg d'Oisans, Isère, Rhône-Alpes, France
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,La,Ce,Y)(Ti,Fe
3+
 
,Mn)
 
21
O
 
38
Simplified for copy/paste:(Sr,La,Ce,Y)(Ti,Fe3+,Mn)21O38
Essential elements:O, Sr, Ti
All elements listed in formula:Ce, Fe, La, Mn, O, Sr, Ti, Y

Relationship of Crichtonite to other Species

Series:Forms a series with Senaite (see here)
Member of:Crichtonite Group
Other Members of Group:

- +
Almeidaite
PbZn
 
2
(Mn,Y)(Ti,Fe
3+
 
)
 
18
O
 
37
(OH,O)
Cleusonite
(Pb,Sr)(U
4+
 
,U
6+
 
)(Fe
2+
 
,Zn)
 
2
(Ti,Fe
2+
 
,Fe
3+
 
)
 
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,Fe
2+
 
,◻)(Fe
2+
 
,Mn
2+
 
)
 
2
(Ti,Fe
3+
 
,Nb,Zr)
 
18
O
 
38
(hypothetical)
Dessauite-(Y)
(Sr,Pb)(Y,U)(Ti,Fe
3+
 
)
 
20
O
 
38
Gramaccioliite-(Y)
(Pb,Sr)(Y,Mn)Fe
3+
2
(Ti,Fe
3+
 
)
 
18
O
 
38
Landauite
NaMnZn
 
2
(Ti,Fe)
 
6
Ti
 
12
O
 
38
Lindsleyite
(Ba,Sr)(Zr,Ca)(Fe,Mg)
 
2
(Ti,Cr,Fe)
 
18
O
 
38
Loveringite
(Ca,Ce,La)(Zr,Fe)(Mg,Fe)
 
2
(Ti,Fe,Cr,Al)
 
18
O
 
38
Mapiquiroite
(Sr,Pb)(U,Y)Fe
 
2
(Ti,Fe
3+
 
,Cr
3+
 
)
 
18
O
 
38
Mathiasite
K(Ti,Cr,Fe,Mg,Zr)
 
21
O
 
38
Paseroite
PbMn
2+
 
(Mn
2+
 
,Fe
3+
 
)
 
2
(V
5+
 
,Ti,◻)
 
18
O
 
38
Romanite
(◻,Pb,Ca)UFe
2+
2
(Ti,Fe
3+
 
)
 
6
Ti
 
12
O
 
38
Senaite
Pb(Ti,Fe,Mn)
 
21
O
 
38
Unnamed (HBU UK-4)
NaFe
2+
 
Zn
 
2
(Ti,Fe
3+
 
,Nb)
 
6
Ti
 
12
O
 
38
Related Minerals - Nickel-Strunz Grouping):

- +
4.CC.05Chrombismite
Bi
 
16
CrO
 
27
4.CC.10Freudenbergite
Na
 
2
(Ti,Fe)
 
8
O
 
16
4.CC.15Grossite
CaAl
 
4
O
 
7
4.CC.20Mayenite
Ca
 
12
Al
 
14
O
 
33
4.CC.20Brearleyite
Ca
 
12
Al
 
14
O
 
32
Cl
 
2
4.CC.25Yafsoanite
Ca
 
3
Zn
 
3
(TeO
 
6
)
 
2
4.CC.30Latrappite
(Ca,Na)(Nb,Ti,Fe)O
 
3
4.CC.30Lueshite
NaNbO
 
3
4.CC.30Natroniobite
NaNbO
 
3
4.CC.30Perovskite
CaTiO
 
3
4.CC.30Barioperovskite
BaTiO
 
3
4.CC.30Lakargiite
Ca(Zr,Sn,Ti)O
 
3
4.CC.30Megawite
CaSnO
 
3
4.CC.35Loparite-(Ce)
(Na,Ce,Ca,Sr,Th)(Ti,Nb,Fe)O
 
3
4.CC.35Macedonite
PbTiO
 
3
4.CC.35Tausonite
SrTiO
 
3
4.CC.35Isolueshite
(Na,La,Ca)(Nb,Ti)O
 
3
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,Fe
2+
 
,◻)(Fe
2+
 
,Mn
2+
 
)
 
2
(Ti,Fe
3+
 
,Nb,Zr)
 
18
O
 
38
(hypothetical)
4.CC.40Landauite
NaMnZn
 
2
(Ti,Fe)
 
6
Ti
 
12
O
 
38
4.CC.40Lindsleyite
(Ba,Sr)(Zr,Ca)(Fe,Mg)
 
2
(Ti,Cr,Fe)
 
18
O
 
38
4.CC.40Loveringite
(Ca,Ce,La)(Zr,Fe)(Mg,Fe)
 
2
(Ti,Fe,Cr,Al)
 
18
O
 
38
4.CC.40Mathiasite
K(Ti,Cr,Fe,Mg,Zr)
 
21
O
 
38
4.CC.40Senaite
Pb(Ti,Fe,Mn)
 
21
O
 
38
4.CC.40Dessauite-(Y)
(Sr,Pb)(Y,U)(Ti,Fe
3+
 
)
 
20
O
 
38
4.CC.40Cleusonite
(Pb,Sr)(U
4+
 
,U
6+
 
)(Fe
2+
 
,Zn)
 
2
(Ti,Fe
2+
 
,Fe
3+
 
)
 
18
(O,OH)
 
38
4.CC.40Gramaccioliite-(Y)
(Pb,Sr)(Y,Mn)Fe
3+
2
(Ti,Fe
3+
 
)
 
18
O
 
38
4.CC.45Diaoyudaoite
NaAl
 
11
O
 
17
4.CC.45Hawthorneite
Ba(MgTi
 
3
Cr
 
4
Fe
 
4
)O
 
19
4.CC.45Hibonite
(Ca,Ce)Al
 
12
O
 
19
4.CC.45Lindqvistite
Pb
 
2
Mn
2+
 
Fe
 
16
O
 
27
4.CC.45Magnetoplumbite
(Pb,Mn)(Fe,Mn)
 
12
O
 
19
4.CC.45Plumboferrite
Pb
 
2
Fe
3+
11-x
Mn
2+
x
O
 
19-2x
, x = 1/3
4.CC.45Yimengite
K(Cr,Ti,Fe,Mg)
 
12
O
 
19
4.CC.45Haggertyite
Ba[Fe
2+
6
Ti
 
5
Mg]O
 
19
4.CC.45Nežilovite
PbZn
 
2
(Mn
4+
 
,Ti
4+
 
)
 
2
Fe
3+
8
O
 
19
4.CC.45Batiferrite
Ba[Ti
 
2
Fe
3+
8
Fe
2+
2
]O
 
19
4.CC.45Hibonite-(Fe)
(Fe,Mg)Al
 
12
O
 
19
4.CC.45Barioferrite
BaFe
3+
12
O
 
19
4.CC.50Jeppeite
(K,Ba)
 
2
(Ti,Fe)
 
6
O
 
13
4.CC.55Zenzénite
Pb
 
3
(Fe,Mn)
 
4
Mn
 
3
O
 
13
4.CC.60Mengxianminite
(Ca,Na)
 
3
(Fe,Mn)
 
2
Mg
 
2
(Sn,Zn)
 
5
Al
 
8
O
 
29
Related Minerals - Hey's Index Grouping:

- +
7.9.1Hongquiite
TiO
7.9.2Rutile
TiO
 
2
7.9.3Anatase
TiO
 
2
7.9.4Brookite
TiO
 
2
7.9.5Geikielite
MgTiO
 
3
7.9.6Perovskite
CaTiO
 
3
7.9.7Kassite
CaTi
 
2
O
 
4
(OH)
 
2
7.9.8Tausonite
SrTiO
 
3
7.9.10Lucasite-(Ce)
CeTi
 
2
(O,OH)
 
6
7.9.11Hibonite
(Ca,Ce)Al
 
12
O
 
19
7.9.12Yttrocrasite-(Y)
(Y,Th,Ca,U)(Ti,Fe)
 
2
(O,OH)
 
6
7.9.13Pyrophanite
Mn
2+
 
TiO
 
3
7.9.14Iwakiite
Mn(Fe,Mn)
 
2
O
 
4
7.9.15Ilmenite
Fe
2+
 
TiO
 
3
7.9.16Pseudobrookite
Fe
 
2
TiO
 
5
7.9.17Ulvöspinel
Fe
 
2
TiO
 
4
7.9.18Pseudorutile
Fe
 
2
Ti
 
3
O
 
9
7.9.19Freudenbergite
Na
 
2
(Ti,Fe)
 
8
O
 
16
7.9.20Kennedyite
MgFe
3+
2
Ti
 
3
O
 
10
7.9.21Armalcolite
(Mg,Fe
2+
 
)Ti
 
2
O
 
5
7.9.22Högbomite
(Mg,Fe)
 
2
(Al,Ti)
 
5
O
 
10
7.9.23Qandilite
(Mg,Fe)
 
2
(Ti,Fe,Al)O
 
4
7.9.24Cafetite
(Ca,Mg)(Fe,Al)
 
2
Ti
 
4
O
 
12
· 4H
 
2
O
7.9.25Loveringite
(Ca,Ce,La)(Zr,Fe)(Mg,Fe)
 
2
(Ti,Fe,Cr,Al)
 
18
O
 
38
7.9.26Lindsleyite
(Ba,Sr)(Zr,Ca)(Fe,Mg)
 
2
(Ti,Cr,Fe)
 
18
O
 
38
7.9.27Priderite
K(Ti
4+
7
Fe
3+
 
)O
 
16
7.9.28Jeppeite
(K,Ba)
 
2
(Ti,Fe)
 
6
O
 
13
7.9.29Ankangite
Ba(Ti,V
3+
 
,Cr)
 
8
O
 
16
7.9.30Ecandrewsite
(Zn,Fe
2+
 
,Mn
2+
 
)TiO
 
3
7.9.31Landauite
NaMnZn
 
2
(Ti,Fe)
 
6
Ti
 
12
O
 
38

Other Names for Crichtonite

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

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 Crichtonite

Reference List:

- +
Bournon (1813): 430.

American Mineralogist: 61: 1203-1212.

Mineralogical Magazine: 37: 349-356.

Internet Links for Crichtonite

Search Engines:
  • Look for Crichtonite on Google
  • Look for Crichtonite images on Google
  • External Links:
  • Look for Crichtonite on Webmineral
  • Look for Crichtonite on Athena Mineralogy
  • Look for Crichtonite on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Mineral Dealers:
  • Buy fine minerals and gemstones from Pala International
  • The Arkenstone - Fine Minerals
  • rare and unusual minerals mainly crystallized
  • SpiriferMinerals.com - high quality low prices
  • Search for Crichtonite on Well-Arranged Molecules
  • Find Crichtonite on www.crystalclassics.co.uk
  • Fabre Minerals - search for Crichtonite specimens
  • Rare and Unusual minerals at Mineralogical Research Company
  • Lapis Mineral Magazin
  • Fine and rare minerals from mintreasure.com
  • Mineral Classics - Worldwide Collector Quality Minerals and Gems
  • Fine Minerals from Weinrich Minerals, Inc.
  • Localities for Crichtonite

    The 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. ? 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
        • 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.
        • Ossola Valley
          • Baceno
            • Devero Alp (Devero Valley; Val Devero)
    Lapis, 20 (7/8), 41-64+76.
    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
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