Mindat Logo
Home Page Log In Message Board The Mindat Directory
Register Search Pages Mineral Chatroom The Mindat Store

Crichtonite

This page is currently not sponsored. Click here to sponsor this page.
Big Photo

Kriegalp Valley (Chriegalp Valley), Binn Valley, Wallis (Valais), Switzerland
© Thomas Witzke

Show Crichtonite Photos (11)



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
mindat.org URL:http://www.mindat.org/min-1153.html
Please feel free to link to this page.

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
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:

- +
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)
(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)(Ti,Zr,Fe,Cr)
 
21
O
 
38
Loveringite
(Ca,Ce)(Ti,Fe,Cr,Mg)
 
21
O
 
38
Mathiasite
K(Ti,Cr,Fe,Mg,Zr)
 
21
O
 
38
Paseroite
PbMn
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)
(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)(Ti,Zr,Fe,Cr)
 
21
O
 
38
4.CC.40Loveringite
(Ca,Ce)(Ti,Fe,Cr,Mg)
 
21
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
(Mg,Fe)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.45IMA2009-027
(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,U,Ca,Th)(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)(Ti,Fe,Cr,Mg)
 
21
O
 
38
7.9.26Lindsleyite
(Ba,Sr)(Ti,Zr,Fe,Cr)
 
21
O
 
38
7.9.27Priderite
(K,Ba)(Ti,Fe)
 
8
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
Spanish:Crichtonita
Varieties:
Mohsite

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[Link Broken?]
  • Look for Crichtonite on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Mineral Dealers:
  • Fabre Minerals - search for Crichtonite specimens
  • Pricedownminerals.com - Reverse Auctions and Shop
  • Fine Minerals from Weinrich Minerals, Inc.
  • Search for - Crichtonite - on e-Rocks Mineral Sales & Auctions
  • Top quality minerals from Kristalle of California
  • Find Crichtonite on www.crystalclassics.co.uk
  • Buy fine minerals and gemstones from Pala International
  • Search for minerals at Heliodor
  • Rare and Unusual minerals at Mineralogical Research Company
  • webminerals
  • Mineral Classics - Worldwide Collector Quality Minerals and Gems
  • The Arkenstone - Fine Minerals
    • Jobs:
  • Mining & Geology Jobs

    • 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.
    Hide Locality List
    (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
        • Ziller valley
          • Zamser Grund (Zams valley)
    		I. Campostrini - Department of Structural Chemistry - University of Milan
    Brazil
     
    • Minas Gerais
    No reference listed
    Canada
     
    • Ontario
      • Thunder Bay District
        • Marathon
    		Currie (1980)
    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.
    • 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.
    Russia
     
    • Northern Region
      • Murmanskaja Oblast'
        • Kola Peninsula
          • Khibiny Massif
    		http://maurice.strahlen.org/kola/khibiny.htm
    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
    Search Google
     
    Copyright © Jolyon Ralph and Ida Chau 1993-2012. 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. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
    Current server date and time: 15th Jan 2012 00:42:22
    Mineral and Locality Search
    Mineral:
    and/or Locality:
    Options
    Fade toolbar when not in focusFix toolbar to bottom of page
    Hide Social Media Links
    Slideshow frame delay seconds