Vote for your favorite mineral in #MinCup26! - Azurite vs. Smithsonite
It's carbonate-vs-carbonate to kick off Mineral Cup 2026 with copper-rich Azurite against zinc-rich Smithsonite.
Log InRegister
Quick Links : The Mindat ManualThe Rock H. Currier Digital LibraryMindat Newsletter [Free Download]
Home PageAbout MindatThe Mindat ManualHistory of MindatCopyright StatusWho We AreContact UsAdvertise on Mindat
Donate to MindatCorporate SponsorshipSponsor a PageSponsored PagesMindat AdvertisersAdvertise on Mindat
Learning CenterWhat is a mineral?The most common minerals on earthInformation for EducatorsMindat ArticlesThe ElementsThe Rock H. Currier Digital LibraryGeologic TimeExplore Fossils
Minerals by PropertiesMinerals by ChemistryMineral Visual ExplorerAdvanced Locality SearchRandom MineralRandom LocalitySearch 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
Mining CompaniesStatisticsUsersMineral MuseumsClubs & OrganizationsMineral Shows & EventsThe Mindat DirectoryDevice SettingsThe Mineral QuizTime Machine
Photo SearchPhoto GalleriesSearch by ColorPhoto Colour ExplorerNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day GalleryPhotography

Davidite-(Y)

This page is currently not sponsored. Click here to sponsor this page.
05683060017271922357286.jpg
Tannat William Edgeworth David
Formula:
(La,Ce,Na,Ca,Pb)(Y,Fe2+,◻)(Fe2+,Mn2+)2(Ti,Fe3+,Nb,Zr)18O38 (hypothetical)
Lustre:
Vitreous
Crystal System:
Trigonal
Name:
Named in 1963 by A. G. Zhabin and others in honor of Professor Tannat William Edegeworth David [January 28, 1858 St. Fagans (near Cardiff), Glamorganshire, Wales, United Kingdom - August 28, 1934 Sydney, New South Wales, Australia], studied in Cardiff and at the Royal School of Mines, before accepting a position as assistant geological surveyor in New South Wales, Australia. His early work involved studying the tin mining in the New England District and later was assigned to study the Hunter Valley Coal Fields where he discovered the important Greta Coal Seam. In 1891, David was appointed Professor of Geology at the University of Sydney. In 1896, David participated in or actually led expeditions to study the formation on atolls on Funafuti with William Sollas, George Sweet, William George Woolnough, Alfred Edmund Finckh, and others. David also conducted studies of glaciation, including pre-Cambrian glaciation. David discovered what he believed were the first known pre-Cambrian fossils. David was on the first Antarctic Expedition with Ernest Shackleton and led the first ascent of Mount Erebus and to discover the South Magnetic Pole. During World War I, David served with high distinction as well as valor, employing his skills to tunneling, trenching, and fortifications. David authored the Geological Map of the Commonwealth and the accompanying Explanatory Notes, but did not live to complete Geology of the Commonwealth of Australia. He was honored with a state funeral. David earned many of the highest honors established by Australia and the British Empire. Among many noteworthy achievements was his organization of scientific societies. Additionally, many geographic names are assigned in his honor. The suffix Y was added to indicated the dominant REE.
A member of the Crichtonite Group.

Note: the "yttrodavidite" from Vishnevye Mts (type locality) is in fact Y-bearing (~11 mass.% of Y2O3 from total (REE+Y)2O3) davidite-(La). "Yttrodavidite" therefore is only a variety. The mineral was described before solution of the crystal structure of the crichtonite group, which demonstrated that LREE and Y are located in different crystallochemical positions. Thus, davidite-(Y) may not be a valid species, although the occurrence of a very Y- and La-rich member seems possible. Such species needs in new root name, because a "davidite-(Y)" with La-dominant position A does not make sense.


Hide all sections | Show all sections

Unique IdentifiersHide

Mindat ID:
1235
Long-form identifier:
mindat:1:1:1235:1

Similar NamesHide

DaviditeA synonym
Davidite-(Ce)A valid IMA mineral speciesCe(Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH,F)38
Davidite-(La)A valid IMA mineral species - grandfatheredLa(Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH,F)38
DavisiteA valid IMA mineral speciesCaScAlSiO6
DevaditeA synonym of 'β-Vredenburgite'
DevitoiteA valid IMA mineral speciesBa4Ba2Fe72+Fe23+[Si4O12]2[PO4]2[CO3]O2(OH)42

IMA Classification of Davidite-(Y)Hide

IMA status notes:
Published without approval
Approval history:
Published without approval: 1966

Classification of Davidite-(Y)Hide

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

Physical Properties of Davidite-(Y)Hide

Vitreous

Chemistry of Davidite-(Y)Hide

Mindat Formula:
(La,Ce,Na,Ca,Pb)(Y,Fe2+,◻)(Fe2+,Mn2+)2(Ti,Fe3+,Nb,Zr)18O38 (hypothetical)
Element Weights:
Element% weight
Ti47.627 %
O33.607 %
La7.678 %
Fe6.174 %
Y4.914 %

Calculated from ideal end-member formula.

Crystallography of Davidite-(Y)Hide

Crystal System:
Trigonal

First Recorded Occurrence of Davidite-(Y)Hide

Synonyms of Davidite-(Y)Hide

Davidite (in part)

Relationship of Davidite-(Y) to other SpeciesHide

Other Members of Crichtonite Group:
AlmeidaitePbZn2(Mn,Y)(Ti,Fe3+)18O37(OH,O)Trig. 3 : R3
BotuobinskiteSrFe2+Mg2(Cr3+6Ti4+12)[O36(OH)2]Trig. 3 : R3
Cleusonite(Pb,Sr)(U4+,U6+)(Fe2+,Zn)2(Ti,Fe2+,Fe3+)18(O,OH)38Trig. 3 : R3
CrichtoniteSr(Mn,Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH)38Trig. 3 : R3
Davidite-(Ce)Ce(Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH,F)38Trig. 3 : R3
Davidite-(La)La(Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH,F)38Trig. 3 : R3
Dessauite-(Y)(Sr,Pb)(Y,U)(Ti,Fe3+)20O38Trig. 3 : R3
Gramaccioliite-(Y)(Pb,Sr)(Y,Mn)Fe3+2(Ti,Fe3+)18O38Trig. 3 : R3
Haitaite-(La)LaU4+Fe3+2(Ti13Fe2+4Fe3+)O38Trig. 3 : R3
LandauiteNaMnZn2(Ti,Fe)6Ti12O38Trig. 3 : R3
Lindsleyite(Ba,Sr)(Zr,Ca)(Fe,Mg)2(Ti,Cr,Fe)18O38Trig.
Loveringite(Ca,Ce,La)(Zr,Fe)(Mg,Fe)2(Ti,Fe,Cr,Al)18O38Trig. 3 : R3
Mapiquiroite(Sr,Pb)(U,Y)Fe2(Ti,Fe3+,Cr3+)18O38Trig. 3 : R3
Mathiasite(Mg,Cr,Fe,Ca,K)2(Ti,Zr,Cr,Fe)5O12Trig. 3 : R3
Mianningite(◻,Pb,Ce,Na)(U4+,Mn,U6+)Fe3+2 (Ti,Fe3+)18O38Trig. 3 : R3
MirnyiteSrZr4+Mg2(Cr3+6Ti4+12)O38Trig. 3 : R3
PaseroitePbMn2+(Mn2+,Fe3+)2(V5+,Ti,◻)18O38 Trig. 3 : R3
SaranovskiteSrCaFe2+2(Cr4Ti2)Ti12O38Trig. 3 : R3
SenaitePb(Mn,Y,U)(Fe,Zn)2(Ti,Fe,Cr,V)18(O,OH)38Trig. 3 : R3
'UM1987-03-O:FePbTiU'~(U,Pb)(Ti,Fe3+,Fe2+,Mn)21O38Trig. 3 : R3
'UM2003-08-O:AlCaFeREEScTiV'(Ca,Ce)Sc(Ti,V,Fe,Al)20O38
'UM2006-05-O:CaFeKMnNaREESrTiZr'(Sr,Na,K,REE)(Ca,Zr,Mn)(Ti,Fe)18Fe2O38
'UM2006-06-O:CaFeKMnNaREESrTiZr'(Sr,Na,K,REE)(Zr,Ca,Mn)(Ti,Fe)18Fe2O38
'UM2006-07-O:CaFeKMnNaREESrTiZr'(Na,Sr,K,REE)(Ca,Zr,Mn)(Ti,Fe)18Fe2O38
'UM2006-08-O:CaFeKMnNaREESrTiZr'(Na,Sr,K,REE)(Zr,Ca,Mn)(Ti,Fe)18Fe2O38
'UM2006-09-O:CaFeMnREESrTiZr'(Ce,Sr,REE)(Ca,Mn,Zr)Fe2(Ti,Fe)18O38
'Unnamed (HBU UK-4)'NaFe2+Zn2(Ti,Fe3+,Nb)6Ti12O38Trig. 3 : R3

Related Minerals - Strunz-mindat GroupingHide

4.CC.XuiteCa3Fe3+2[(AlO3(OH)]3Iso. m3m(4/m32/m)
4.CC.Yttriaite-(Y)Y2O3Iso. m3(2/m3)
4.CC.AllendeiteSc4Zr3O12Trig. 3 : R3
4.CC.ChlorkyuygeniteCa12Al14O32[(H2O)4Cl2]Iso. 43m : I43d
4.CC.OboniobiteMg4Nb2O9Trig. 3m(32/m) : P3c1
4.CC.BotuobinskiteSrFe2+Mg2(Cr3+6Ti4+12)[O36(OH)2]Trig. 3 : R3
4.CC.MirnyiteSrZr4+Mg2(Cr3+6Ti4+12)O38Trig. 3 : R3
4.CC.Haitaite-(La)LaU4+Fe3+2(Ti13Fe2+4Fe3+)O38Trig. 3 : R3
4.CC.ShagamiteKFe11O17Hex. 6/mmm(6/m2/m2/m) : P63/mmc
4.CC.BitikleiteCa3(Sb5+Sn4+)[AlO4]3Iso. m3m(4/m32/m) : Ia3d
4.CC.Anzaite-(Ce)Ce3+ 4Fe2+Ti6O18 (OH)2Mon. 2/m : B2/m
4.CC.Heamanite-(Ce)(K0.5Ce0.5)TiO3Iso. m3m(4/m32/m)
4.CC.Priscillagrewite-(Y)(Ca2Y)Zr2(AlO4)3Iso.
4.CC.StranditePb3Mn3+4Mn4+3O15Hex. 6/mmm(6/m2/m2/m) : P63/mcm
4.CC.SaranovskiteSrCaFe2+2(Cr4Ti2)Ti12O38Trig. 3 : R3
4.CC.05ChrombismiteBi3+16Cr6+O27Iso. m3m(4/m32/m)
4.CC.10FreudenbergiteNa2(Ti,Fe)8O16Mon.
4.CC.10FluormayeniteCa12Al14O32F2Iso. 43m : I43d
4.CC.10FluorkyuygeniteCa12Al14O32[(H2O)4F2]Iso. 43m : I43d
4.CC.15GrossiteCaAl4O7Mon. 2/m : B2/b
4.CC.17GoldschmidtiteKNbO3Iso. m3m(4/m32/m) : Pm3m
4.CC.20'Unnamed (HBU UK-4)'NaFe2+Zn2(Ti,Fe3+,Nb)6Ti12O38Trig. 3 : R3
4.CC.20ChlormayeniteCa12Al14O32[◻4Cl2]Iso. 43m : I43d
4.CC.20PaseroitePbMn2+(Mn2+,Fe3+)2(V5+,Ti,◻)18O38 Trig. 3 : R3
4.CC.20Mianningite(◻,Pb,Ce,Na)(U4+,Mn,U6+)Fe3+2 (Ti,Fe3+)18O38Trig. 3 : R3
4.CC.20'UM1987-03-O:FePbTiU'~(U,Pb)(Ti,Fe3+,Fe2+,Mn)21O38Trig. 3 : R3
4.CC.22GoreriteCaAlFe3+11O19Hex. 6/mmm(6/m2/m2/m) : P63/mmc
4.CC.22KahlenbergiteKAl11O17Hex. 6/mmm(6/m2/m2/m) : P63/mmc
4.CC.25HopmanniteBa2(Ti5Fe)O13Mon. 2/m : B2/m
4.CC.25NixoniteNa2Ti6O13Mon. 2/m : B2/m
4.CC.25YafsoaniteCa3Te6+2(ZnO4)3Iso. m3m(4/m32/m) : Ia3d
4.CC.30LatrappiteCa2NbFe3+O6Orth. mmm(2/m2/m2/m) : Pnma
4.CC.30NatroniobiteNaNbO3Mon.
4.CC.30PerovskiteCaTiO3Orth. mmm(2/m2/m2/m) : Pnma
4.CC.30LueshiteNaNbO3Orth. mmm(2/m2/m2/m)
4.CC.30BariolakargiiteBaZrO3Iso. m3m(4/m32/m) : Pm3m
4.CC.30BarioperovskiteBaTiO3Orth. mm2 : Amm2
4.CC.30MegawiteCaSnO3Orth. mmm(2/m2/m2/m) : Pban
4.CC.30LakargiiteCa(Zr,Sn,Ti)O3Orth. mmm(2/m2/m2/m) : Pnma
4.CC.32UsturiteCa3(Sb5+Zr)[Fe3+O4]3Iso. m3m(4/m32/m) : Ia3d
4.CC.32ElbrusiteCa3(U6+0.5Zr1.5)[Fe3+O4]3Iso. m3m(4/m32/m) : Ia3d
4.CC.32MonteneveiteCa3Sb5+2(Fe3+2Fe2+)O12Iso. m3m(4/m32/m) : Ia3d
4.CC.32DzhuluiteCa3(Sb5+Sn4+)[Fe3+O4]3Iso. m3m(4/m32/m) : Ia3d
4.CC.35TausoniteSrTiO3Iso. 43m
4.CC.35Loparite(Na,REE)2Ti2O6Iso. m3m(4/m32/m)
4.CC.35Panguite(Ti,Al,Sc,Mg,Zr,Ca)1.8O3Orth. mmm(2/m2/m2/m) : Pbca
4.CC.35Isolueshite(Na,La)NbO3Iso. m3m(4/m32/m) : Pm3m
4.CC.35MacedonitePbTiO3Tet. 4/mmm(4/m2/m2/m) : P4/nmm
4.CC.37PauloabibiteNaNbO3Trig. 3 : R3
4.CC.40LandauiteNaMnZn2(Ti,Fe)6Ti12O38Trig. 3 : R3
4.CC.40Mathiasite(Mg,Cr,Fe,Ca,K)2(Ti,Zr,Cr,Fe)5O12Trig. 3 : R3
4.CC.40SenaitePb(Mn,Y,U)(Fe,Zn)2(Ti,Fe,Cr,V)18(O,OH)38Trig. 3 : R3
4.CC.40Gramaccioliite-(Y)(Pb,Sr)(Y,Mn)Fe3+2(Ti,Fe3+)18O38Trig. 3 : R3
4.CC.40Lindsleyite(Ba,Sr)(Zr,Ca)(Fe,Mg)2(Ti,Cr,Fe)18O38Trig.
4.CC.40CrichtoniteSr(Mn,Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH)38Trig. 3 : R3
4.CC.40Loveringite(Ca,Ce,La)(Zr,Fe)(Mg,Fe)2(Ti,Fe,Cr,Al)18O38Trig. 3 : R3
4.CC.40Cleusonite(Pb,Sr)(U4+,U6+)(Fe2+,Zn)2(Ti,Fe2+,Fe3+)18(O,OH)38Trig. 3 : R3
4.CC.40Davidite-(Ce)Ce(Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH,F)38Trig. 3 : R3
4.CC.40Davidite-(La)La(Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH,F)38Trig. 3 : R3
4.CC.40'Uhligite'Ca3(Ti,Al,Zr)9O20 ?Iso.
4.CC.40Dessauite-(Y)(Sr,Pb)(Y,U)(Ti,Fe3+)20O38Trig. 3 : R3
4.CC.45DiaoyudaoiteNaAl11O17Hex. 6/mmm(6/m2/m2/m) : P63/mmc
4.CC.45YimengiteK(Cr,Ti,Fe,Mg)12O19Hex. 6/mmm(6/m2/m2/m) : P63/mmc
4.CC.45NežilovitePbZn2Mn4+2Fe3+8O19Hex. 6/mmm(6/m2/m2/m) : P63/mmc
4.CC.45HawthorneiteBaMgTi3Cr4Fe2+2Fe3+2O19Hex. 6/mmm(6/m2/m2/m) : P63/mmc
4.CC.45Mizraite-(Ce)Ce(Al11Mg)O19Hex. 6/mmm(6/m2/m2/m) : P63/mmc
4.CC.45HaggertyiteBaFe2+4Fe3+2Ti5MgO19Hex. 6/mmm(6/m2/m2/m) : P63/mmc
4.CC.45LindqvistitePb2Mn2+Fe16O27Hex. 6/mmm(6/m2/m2/m) : P63/mmc
4.CC.45HiboniteCaAl12O19Hex. 6/mmm(6/m2/m2/m) : P63/mmc
4.CC.45Kangite(Sc,Ti,Al,Zr,Mg,Ca,◻)2O3 Iso. m3(2/m3)
4.CC.45ChihuahuaiteFeAl12O19Hex. 6/mmm(6/m2/m2/m) : P63/mmc
4.CC.45BarioferriteBaFe3+12O19Hex. 6/mmm(6/m2/m2/m) : P63/mmc
4.CC.45PlumboferritePb[Fe3+10.67Mn2+0.33Pb]O18.33Trig. 32 : P312
4.CC.45BatiferriteBaTi2Fe3+8Fe2+2O19Hex. 6/mmm(6/m2/m2/m) : P63/mmc
4.CC.45MagnetoplumbitePbFe3+12O19Hex. 6/mmm(6/m2/m2/m) : P63/mmc
4.CC.50JeppeiteK2Ti6O13Mon. 2/m : B2/m
4.CC.55ZenzénitePb3Fe3+4Mn4+3O15Hex. 6/mmm(6/m2/m2/m) : P63/mcm
4.CC.60'Mengxianminite (of Huang et al.)'(Ca,Na)3(Fe,Mn)2Mg2(Sn,Zn)5Al8O29

Fluorescence of Davidite-(Y)Hide

Not fluorescent in UV

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.

Internet Links for Davidite-(Y)Hide

References for Davidite-(Y)Hide

Localities for Davidite-(Y)Hide

Showing 3 localities.

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.
Hide all sections | Show all sections

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for references and 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 (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.
Australia
 
  • South Australia
Finland
 
  • Lapland
    • Enontekiö
Al-Ani et al. (2013)
Russia (FRL)
 
  • Chelyabinsk Oblast
Tr. Inst. Mineral.
 
and/or  
Mindat.org® is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization. Mindat® and mindat.org® are registered trademarks of the Hudson Institute of Mineralogy.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2026, except where stated. Most political location boundaries are © OpenStreetMap contributors. Mindat.org relies on the contributions of thousands of members and supporters. Founded in 2000 by Jolyon Ralph and Ida Chau.
Content on this site may not be used to train, fine-tune, or otherwise develop artificial intelligence or machine learning models without prior written permission - see our Terms & Conditions.
To cite: Ralph, J., Von Bargen, D., Martynov, P., Zhang, J., Que, X., Prabhu, A., Morrison, S. M., Li, W., Chen, W., & Ma, X. (2025). Mindat.org: The open access mineralogy database to accelerate data-intensive geoscience research. American Mineralogist, 110(6), 833–844. doi:10.2138/am-2024-9486.
Privacy Policy - Terms & Conditions - Contact Us / DMCA issues - Report a bug/vulnerability Current server date and time: September 1, 2026 08:46:59 Page updated: August 3, 2026 23:49:46
Go to top of page