Help mindat.org|Log In|Register|
Home PageMindat NewsThe Mindat ManualHistory of MindatCopyright StatusManagement TeamContact UsAdvertise on Mindat
Donate to MindatSponsor a PageSponsored PagesTop Available PagesMindat AdvertisersAdvertise on Mindat
Minerals by PropertiesMinerals by ChemistryAdvanced Locality SearchRandom MineralSearch by minIDLocalities Near MeSearch ArticlesSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
StatisticsThe ElementsMember ListBooks & MagazinesMineral Shows & EventsThe Mindat DirectoryHow to Link to MindatDevice Settings
Photo SearchPhoto GalleriesNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day Gallery

Latrappite

This page is currently not sponsored. Click here to sponsor this page.
La Trappe Monastery
Formula:
Ca2NbFe3+O6
System:
Orthorhombic
Hardness:
Name:
Named introduced by Nickel (1964) after the Trappist (an order of the Cistercians) monastery of La Trappe, near the type locality. The material was first described as a Nb-rich variety of perovskite from the Oka carbonatite complex, Quebec, Canada and named as a niobian perovskite. The Nb content showed to be greater than the Ti content than in perovskite (CaTiO3), so it was defined and approved as a new mineral.
The status of latrappite has been questioned. Following Mitchell et al. 2016, the significant Fe3+ content was not considered by Nickel (1964) and the material investigated by Nickel (1964) and Nickel and McAdam (1963) was found to be a complex quaternary solid solution involving the components Ca2Nb2O7, Ca2Fe3+NbO6, CaTiO3 and NaNbO3.

Mitchell et al. 2016 suggested that the potential end-member latrappite be considered as analogous to synthetic 1:1 ordered Ca2Fe3+NbO6. They also recommended that only Ca-rich, Nb and Fe-rich perovskites [(Ca,Na)2(Nb,Fe3+,Ti)2O6] whose compositions are such that: (1) divalent cations prevail in the A-site with Ca dominant; and (2) pentavalent cations prevail in the B -site(s) with Nb dominant be termed latrappite.

It was thus redefined by IMA in 2016 as Ca2NbFe3+O6.


Note: it is not sure if latrappite belongs to the above-given subgroup of perovskites.




Classification of Latrappite

Approved
Notes:
Redefined by the IMA
First Published:
1963
Approval History:
Redefined, special procedure 2016.
4.CC.30

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
4.3.3.2

4 : SIMPLE OXIDES
3 : A2X3
18.1.13

18 : Niobates and Tantalates
1 : Niobates and tantalates containing neither rare earths nor U

Physical Properties of Latrappite

Hardness (Mohs):

Chemical Properties of Latrappite

Formula:
Ca2NbFe3+O6
Elements listed in formula:

Crystallography of Latrappite

Crystal System:
Orthorhombic
Class (H-M):
mmm (2/m 2/m 2/m) - Dipyramidal
Space Group:
Pnma
Cell Parameters:
a = 5.44 Å, b = 7.77 Å, c = 5.55 Å
Ratio:
a:b:c = 0.7 : 1 : 0.714
Unit Cell Volume:
V 234.59 ų (Calculated from Unit Cell)
Comment:
Spacegroup: P21/n (Mitchell et al. 2016)

Type Occurrence of Latrappite

Relationship of Latrappite to other Species

Other Members of Group:
VapnikiteCa2CaUO6
4.CC.AllendeiteSc4Zr3O12
4.CC.Yttriaite-(Y)Y2O3
4.CC.05ChrombismiteBi16CrO27
4.CC.10FreudenbergiteNa2(Ti,Fe)8O16
4.CC.15GrossiteCaAl4O7
4.CC.20ChlormayeniteCa12Al14O32[◻4Cl2]
4.CC.25YafsoaniteCa3Zn3(TeO6)2
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,REE)Ti2O6
4.CC.35MacedonitePbTiO3
4.CC.35TausoniteSrTiO3
4.CC.35Isolueshite(Na,La)NbO3
4.CC.40CrichtoniteSr(Mn,Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH)38
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.45HawthorneiteBaMgTi3Cr4Fe22+Fe23+O19
4.CC.45Hibonite(Ca,Ce)(Al,Ti,Mg)12O19
4.CC.45LindqvistitePb2Mn2+Fe16O27
4.CC.45Magnetoplumbite(Pb,Mn)(Fe,Mn)12O19
4.CC.45PlumboferritePb2(Fe3+,Mn2+,Mg)11O19
4.CC.45YimengiteK(Cr,Ti,Fe,Mg)12O19
4.CC.45HaggertyiteBaFe42+Fe23+Ti5MgO19
4.CC.45NežilovitePbZn2Mn24+Fe83+O19
4.CC.45BatiferriteBaTi2Fe83+Fe22+O19
4.CC.45Hibonite-(Fe)(Fe,Mg)Al12O19
4.CC.45BarioferriteBaFe123+O19
4.CC.50Jeppeite(K,Ba)2(Ti,Fe)6O13
4.CC.55ZenzénitePb3Fe4Mn3O15
4.CC.60Mengxianminite (of Huang et al.)(Ca,Na)3(Fe,Mn)2Mg2(Sn,Zn)5Al8O29
18.1.1LithiotantiteLiTa3O8
18.1.2LueshiteNaNbO3
18.1.3NatroniobiteNaNbO3
18.1.4FranconiteNa(Nb2O5)(OH) · 3H2O
18.1.5NatrotantiteNa2Ta4O11
18.1.6IrtyshiteNa2(Ta,Nb)4O11
18.1.7Rankamaite(Na,K)3(Ta,Nb,Al)11(O,OH)31
18.1.8Hydropyrochlore(H2O,□)2Nb2(O,OH)6(H2O)
18.1.9CalciotantiteCaTa4O11
18.1.10RynersoniteCaTa2O6
18.1.11Microlite Group
18.1.12BelyankiniteCa1-2(Ti,Nb)5O12 · 9H2O (?)
18.1.14Hochelagaite(Ca,Na,Sr)(Nb,Ti,Si,Al)4O11 · 8H2O
18.1.15Bariomicrolite (of Hogarth 1977)
18.1.16ParabariomicroliteBaTa4O10(OH)2 · 2H2O
18.1.17Bariopyrochlore (of Hogarth 1977)A2Nb2(O,OH)6Z
18.1.18AlumotantiteAlTaO4
18.1.19SimpsoniteAl4(Ta,Nb)3O13(OH,F)
18.1.20Sosedkoite(K,Na)5Al2(Ta,Nb)22O60
18.1.21Thoreaulite(Sn2+,Pb)(Ta,Nb)2O6
18.1.22Stannomicrolite (of Hogarth 1977)
18.1.23FoorditeSn2+(Nb,Ta)2O6
18.1.24ChangbaiitePbNb2O6
18.1.25Plumbopyrochlore (of Skorobogatova et al.)A2Nb2(O,OH)6Z
18.1.26Plumbomicrolite (of Hogarth 1977)
18.1.27StibiocolumbiteSb(Nb,Ta)O4
18.1.28StibiotantaliteSb(Ta,Nb)O4
18.1.29Natrobistantite
18.1.30Cesplumtantite(Cs,Na)2(Pb,Sb3+)3Ta8O24
18.1.31Stibiomicrolite (of Groat et al.)
18.1.32Cesstibtantite
18.1.34BismutotantaliteBi(Ta,Nb)O4
18.1.35Bismutomicrolite (of Hogarth 1977)
18.1.36Tantalite-(Mn)MnTa2O6
18.1.37Gerasimovskite(Mn,Ca)(Nb,Ti)5O12 · 9H2O
18.1.38Tapiolite-(Mn)(Mn,Fe)(Ta,Nb)2O6
18.1.39Columbite-(Mn)(Mn,Fe)(Nb,Ta)2O6
18.1.40WodginiteMn2+Sn4+Ta2O8
18.1.41Ixiolite(Ta,Nb,Sn,Fe,Mn)4O8
18.1.42Columbite-(Fe)FeNb2O6
18.1.43Tantalite-(Fe)FeTa2O6
18.1.44Columbite
18.1.45Tantalite(Mn,Fe)(Ta,Nb)2O6
18.1.46Tapiolite(Fe,Mn)(Ta,Nb)2O6
18.1.47Tapiolite-(Fe)(Fe,Mn)(Ta,Nb)2O6
18.1.48Columbite-(Mg)(Mg,Fe,Mn)(Nb,Ta)2O6
18.1.50Strüverite(Ti,Ta,Fe)O2
18.1.51 Staringite(Fe,Mn)x(Ta,Nb)2xSn6-3xO12

Other Names for Latrappite

Name in Other Languages:

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 Latrappite

Reference List:
Nickel, E.H., Mcadam, R.C. (1963) Niobian perovskite from Oka, Quebec; a new classification for minerals of the perovskite group. Canadian Mineralogist: 7: 683-697.

Nickel, E.H. (1964) Latrappite - a proposed new name for the perovskite-type calcium niobate mineral from the Oka area of Quebec. Canadian Mineralogist: 8: 121-122.

Fleischer, M., Mandarino, J.A., Strunz, H., Cech, F. (1965) New mineral names. American Mineralogist: 50: 261-268.

Mitchell, R.H., Choi, J.-B., Hawthorne, F.C., Mccammon, C.A., Burns, P.C. (1998) Latrappite: a re-investigation. Canadian Mineralogist: 36: 107-116.

Neues Jahrbuch für Mineralogie, Monatshefte (1980): 171-174.

Chakhmouradian, A.R., Mitchell, R.H. (1998) A structural study of the perovskite series CaTi1-2xFexNbxO3. Journal of Solid State Chemistry: 138: 272-277 .

Chakhmouradian, A.R. (1996) On the development of niobium and rare-earth minerals in monticellite-calcite carbonatite of the Oka Complex, Quebec. The Canadian Mineralogist: 34: 479-484.

http://www.mindat.org/mesg-7-286626.html

Mitchell, R., Welch, M.D., Chakhmouradian, A.R. (2016) Nomenclature of the perovskite supergroup: A hierarchical system of classification based on crystal structure and composition. Mineralogical Magazine: 80 (in press); https://doi.org/10.1180/minmag.2016.080.156

Internet Links for Latrappite

mindat.org URL:
https://www.mindat.org/min-2337.html
Please feel free to link to this page.

Localities for Latrappite

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.
(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.
Canada
 
  • Québec
    • Laurentides
      • Deux-Montagnes RCM
        • Oka
Sabina (1966) GSC Paper 66-51, 46-47
NICKEL, E.H. (1966) Latrappite - a proposed new name for the perovskite-type calcium niobate mineral from the Oka area of Quebec. Canadian Mineralogist, 8, 122-123. NICKEL, E.H. & MCADAM, R.C. (1963): Niobian perovskite from Oka, Quebec; a new classification for minerals of the perovskite group. Canadian Mineralogist, 7, 683-697.
GOLD, D.P. (1972): The Monteregian Hills: ultra-alkaline rocks and the Oka carbonatite complex. 24th International Geological Congress (Montreal), Guidebook B-11.
Mineral and/or Locality  
Mindat.org is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2017, except where stated. Mindat.org relies on the contributions of thousands of members and supporters.
Privacy Policy - Terms & Conditions - Contact Us Current server date and time: August 22, 2017 00:40:33 Page generated: July 5, 2017 06:37:14
Go to top of page