Mindat Logo
Home Page Log In Message Board The Mindat Directory
Register Search Pages Chat Now! (2 online) Mindat Auctions

Crichtonite Group

Formula:
AB
 
21
O
 
38
 or A{BC
 
2
D
 
6
 E
 
12
}O
 
38


A group of about 13 complex metal titanates.
Identification of individual members of the group requires detailed analyses.

Classification of Crichtonite Group

mindat.org URL:http://www.mindat.org/min-29190.html
Please feel free to link to this page.

Chemical Properties of Crichtonite Group

Formula:
AB
 
21
O
 
38
 or A{BC
 
2
D
 
6
 E
 
12
}O
 
38

Relationship of Crichtonite Group to other Species

Minerals in Group:
Cleusonite:
(Pb,Sr)(U
4+
 
,U
6+
 
)(Fe
2+
 
,Zn)
 
2
(Ti,Fe
2+
 
,Fe
3+
 
)
 
18
(O,OH)
 
38
Crichtonite:
(Sr,La,Ce,Y)(Ti,Fe
3+
 
,Mn)
 
21
O
 
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
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
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

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.

Internet Links for Crichtonite Group

Search Engines:
  • Look for Crichtonite Group on Google
  • Look for Crichtonite Group images on Google
    • Mineral Dealers:
  • Lapis Mineral Magazin
  • Rare and Unusual minerals at Mineralogical Research Company
  • The Arkenstone - Fine Minerals
  • Wilensky Fine Minerals
  • Top quality minerals from Kristalle of California
  • Buy from David K Joyce minerals
  • Edwards Minerals - Fine Specimens
  • Buy Minerals and Crystals from Crystalarium.com
  • Buy minerals from Mineralium.com
  • Fine Minerals from Dan Weinrich Minerals
  • Fabre Minerals - search for Crichtonite Group specimens
  • Buy fine minerals and gemstones from Pala International
    • Jobs:
  • Mining & Geology Jobs

    • Page Sponsor

    Sponsorship:This page is currently not sponsored. Click here to sponsor this page.

    Localities for Crichtonite Group

    (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
     
    • Styria
      • Semmering Massif
        • Mürzzuschlag
          • Semmering basis tunnel
    		Postl, W., et al. (1997)
    • Tyrol
      • North Tyrol
        • Ziller valley
          • Zamser Grund (Zams valley)
    		Folie K. Rocchetti I. (1999) Novità mineralogiche dal Passo di Vizze, Rivista Mineralogica Italiana, n° 4, 222-230
    Mineral and/or Locality
    Google
     
    www.mindat.org Web
    Copyright © Jolyon Ralph and Ida Chau 1993-2009. 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. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 8th Nov 2009 12:26:52