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Tannat William Edgeworth David
Crystal System:
Named in 1906 by Douglas Mawson 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 La was added to the original name to indicate its dominant REE.
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Classification of Davidite-(La)Hide

Approved, 'Grandfathered' (first described prior to 1959)

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

5 : AB21O38

7 : Oxides and Hydroxides
16 : Oxides of U

Physical Properties of Davidite-(La)Hide


Chemical Properties of Davidite-(La)Hide

IMA Formula:

Crystallography of Davidite-(La)Hide

Crystal System:

Type Occurrence of Davidite-(La)Hide

Other Language Names for Davidite-(La)Hide

Relationship of Davidite-(La) to other SpeciesHide

Other Members of this group:
AlmeidaitePbZn2(Mn,Y)(Ti,Fe3+)18O37(OH,O)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,La)(Y,U,Fe)(Ti,Fe)20(O,OH)38Trig. 3 : R3
Davidite-(Y)(La,Ce,Na,Ca,Pb)(Y,Fe2+,◻)(Fe2+,Mn2+)2(Ti,Fe3+,Nb,Zr)18O38 (hypothetical)Trig.
Dessauite-(Y)(Sr,Pb)(Y,U)(Ti,Fe3+)20O38Trig. 3 : R3
Gramaccioliite-(Y)(Pb,Sr)(Y,Mn)Fe3+2(Ti,Fe3+)18O38Trig. 3
LandauiteNaMnZn2(Ti,Fe)6Ti12O38Trig. 3 : R3
Mapiquiroite(Sr,Pb)(U,Y)Fe2(Ti,Fe3+,Cr3+)18O38Trig. 3 : R3
Mathiasite(K, Ba, Sr)(Zr, Fe)(Mg,Fe)2 (Ti,Cr,Fe)18O38Trig.
Mianningite(◻,Pb,Ce,Na)(U4+,Mn,U6+)Fe3+2 (Ti,Fe3+)18O38Trig. 3 : R3
PaseroitePbMn2+(Mn2+,Fe3+)2(V5+,Ti,◻)18O38 Trig. 3 : R3
UM1987-03-O:FePbTiU~(U,Pb)(Ti,Fe3+,Fe2+,Mn)21O38Trig. 3 : R3
Unnamed (HBU UK-4)NaFe2+Zn2(Ti,Fe3+,Nb)6Ti12O38Trig. 3 : R3

Common AssociatesHide

Associated Minerals Based on Photo Data:
Carnotite3 photos of Davidite-(La) associated with Carnotite on
Loveringite1 photo of Davidite-(La) associated with Loveringite on

Related Minerals - Nickel-Strunz GroupingHide

4.CC.AllendeiteSc4Zr3O12Trig. 3 : R3
4.CC.15GrossiteCaAl4O7Mon. 2/m : B2/b
4.CC.20ChlormayeniteCa12Al14O32[◻4Cl2]Iso. 4 3m : I4 3d
4.CC.25YafsoaniteCa3Zn3(TeO6)2Iso. m3 (2/m 3)
4.CC.30LatrappiteCa2NbFe3+O6Orth. mmm (2/m 2/m 2/m) : Pnma
4.CC.30LueshiteNaNbO3Orth. mmm (2/m 2/m 2/m)
4.CC.30PerovskiteCaTiO3Orth. mmm (2/m 2/m 2/m) : Pnma
4.CC.30BarioperovskiteBaTiO3Orth. mm2 : Amm2
4.CC.30LakargiiteCa(Zr,Sn,Ti)O3Orth. mmm (2/m 2/m 2/m) : Pnma
4.CC.30MegawiteCaSnO3Orth. mmm (2/m 2/m 2/m) : Pban
4.CC.35MacedonitePbTiO3Tet. 4/mmm (4/m 2/m 2/m) : P4/nmm
4.CC.35TausoniteSrTiO3Iso. 4 3m
4.CC.35Isolueshite(Na,La)NbO3Iso. m3m (4/m 3 2/m) : Pm3m
4.CC.40CrichtoniteSr(Mn,Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH)38Trig. 3 : R3
4.CC.40Davidite-(Ce)(Ce,La)(Y,U,Fe)(Ti,Fe)20(O,OH)38Trig. 3 : R3
4.CC.40Davidite-(Y)(La,Ce,Na,Ca,Pb)(Y,Fe2+,◻)(Fe2+,Mn2+)2(Ti,Fe3+,Nb,Zr)18O38 (hypothetical)Trig.
4.CC.40LandauiteNaMnZn2(Ti,Fe)6Ti12O38Trig. 3 : R3
4.CC.40Mathiasite(K, Ba, Sr)(Zr, Fe)(Mg,Fe)2 (Ti,Cr,Fe)18O38Trig.
4.CC.40Dessauite-(Y)(Sr,Pb)(Y,U)(Ti,Fe3+)20O38Trig. 3 : R3
4.CC.40Cleusonite(Pb,Sr)(U4+,U6+)(Fe2+,Zn)2(Ti,Fe2+,Fe3+)18(O,OH)38Trig. 3 : R3
4.CC.40Gramaccioliite-(Y)(Pb,Sr)(Y,Mn)Fe3+2(Ti,Fe3+)18O38Trig. 3
4.CC.45HawthorneiteBaMgTi3Cr4Fe2+2Fe3+2O19Hex. 6/mmm (6/m 2/m 2/m) : P63/mmc
4.CC.45PlumboferritePb2(Fe3+,Mn2+,Mg)11O19Trig. 3 2
4.CC.45HaggertyiteBaFe2+4Fe3+2Ti5MgO19Hex. 6/mmm (6/m 2/m 2/m) : P63/mmc
4.CC.45NežilovitePbZn2Mn4+2Fe3+8O19Hex. 6/mmm (6/m 2/m 2/m) : P63/mmc
4.CC.45Hibonite-(Fe)(Fe,Mg)Al12O19Hex. 6/mmm (6/m 2/m 2/m) : P63/mmc
4.CC.45BarioferriteBaFe3+12O19Hex. 6/mmm (6/m 2/m 2/m) : P63/mmc
4.CC.60Mengxianminite (of Huang et al.)(Ca,Na)3(Fe,Mn)2Mg2(Sn,Zn)5Al8O29

Related Minerals - Dana Grouping (8th Ed.)Hide,Fe)6Ti12O38Trig. 3 : R3,Ce,La)(Zr,Fe)(Mg,Fe)2(Ti,Fe,Cr,Al)18O38Trig.,Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH)38Trig. 3 : R3,Y,U)(Fe,Zn)2(Ti,Fe,Cr,V)18(O,OH)38Trig.,La)(Y,U,Fe)(Ti,Fe)20(O,OH)38Trig. 3 : R3, Ba, Sr)(Zr, Fe)(Mg,Fe)2 (Ti,Cr,Fe)18O38Trig.,Sr)(Zr,Ca)(Fe,Mg)2(Ti,Cr,Fe)18O38Trig.

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

7.16.1UraniniteUO2Iso. m3m (4/m 3 2/m) : Fm3m
7.16.2Schoepite(UO2)8O2(OH)12 · 12H2OOrth. mmm (2/m 2/m 2/m) : Pbca
7.16.3ParaschoepiteUO3 · 2H2OOrth.
7.16.4MetaschoepiteUO3 · 1-2H2OOrth. mmm (2/m 2/m 2/m) : Pbcn
7.16.5MetastudtiteUO4 · 2H2OOrth. mmm (2/m 2/m 2/m) : Pnma
7.16.6Studtite[(UO2)(O2)(H2O)2] · H2OMon.
7.16.7IanthiniteU4+(UO2)5O7 · 10H2OOrth. mm2 : Amm2
7.16.8CompreignaciteK2(UO2)6O4(OH)6 · 7H2OOrth.
7.16.9VandenbrandeiteCu(UO2)(OH)4Tric. 1 : P1
7.16.10RoubaultiteCu2(UO2)3(CO3)2O2(OH)2•4H2OTric. 1 : P1
7.16.11BecquereliteCa(UO2)6O4(OH)6 · 8H2OOrth. mm2 : Pna21
7.16.12RameauiteK2Ca(H[3]2O)(H[5]2O)4[(UO2)6O6(OH)4](H[4]2O)Mon. m : Bb
7.16.13AgrinieriteK2(Ca,Sr)[(UO2)3O3(OH)2]2 · 5H2OOrth.
7.16.14ProtasiteBa(UO2)3O3(OH)2 · 3H2OMon.
7.16.15BillietiteBa(UO2)6O4(OH)6 · 4-8H2OOrth. mm2
7.16.16BauranoiteBa(UO2)2(OH)6 · 1-2H2O
7.16.17Metacalciouranoite(Ca,Ba,Pb,K2)U2O7 · 2H2O
7.16.18Calciouranoite(Ca,Ba,Pb)U2O7 · 5H2O
7.16.22Davidite-(Ce)(Ce,La)(Y,U,Fe)(Ti,Fe)20(O,OH)38Trig. 3 : R3
7.16.23Brannerite(U4+,REE,Th,Ca)(Ti,Fe3+,Nb)2(O,OH)6Mon. 2/m : B2/m
7.16.24FourmarieritePb(UO2)4O3(OH)4 · 4H2OOrth.
7.16.25Richetite(Fe3+,Mg)Pb 8.6(UO2)36O36(OH)24•41H2O Tric.
7.16.26CuritePb3(UO2)8O8(OH)6 · 3H2OOrth. mmm (2/m 2/m 2/m) : Pnma
7.16.27MasuyitePb(UO2)3O3(OH)2 · 3H2OOrth.
7.16.28VandendriesscheitePbU7O22 · 12H2O
7.16.29MetavandendriesscheitePbU7O22 · nH2O n < 12Orth.
7.16.30SayritePb2(UO2)5O6(OH)2 · 4H2OMon.
7.16.31Wölsendorfite(Pb,Ca)U2O7 · 2H2OOrth. mmm (2/m 2/m 2/m) : Cmcm
7.16.32Clarkeite(Na,Ca,Pb)(UO2)O(OH) · 0-1H2OTrig.
7.16.33UranosphaeriteBi(UO2)O2(OH)Mon. 2/m

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.

References for Davidite-(La)Hide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Economic Geology: 54: 64-81.
Economic Geology: 55: 1541-1550.
American Mineralogist: 46: 700-718.
American Mineralogist: 64: 1010-1017.

Internet Links for Davidite-(La)Hide

Localities for Davidite-(La)Hide

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.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for 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 (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
  • Queensland
    • Cloncurry Shire
Lawrence L.J. et al. Econ Geol. 52, 140-148, 1957
  • South Australia
    • Flinders Ranges
      • North Flinders Ranges
        • Arkaroola Region (Arkaroola Station)
          • Mt Painter area
SA Museum collections (Ex Mine Dpt collection)
PA Wulser, EMPA data
    • Mt Lofty Ranges
      • South Mt Lofty Ranges (Adelaide Hills)
        • Houghton
Dickinson S.B. et al. (1954), Uranium deposits in South Australia. Bull No30, Geol. Surv. S.Australia. Part IV, p115-125
Dickinson S.B. et al. (1954), Uranium deposits in South Australia. Bull No30, Geol. Surv. S.Australia. Part IV, p115-125
        • Mount Pleasant
Hayton J.D. (1960). The Constitution of davidite. Econ Geol. 55, 1030-1038.
    • Olary Province
      • Mt Victor Plumbago Station
Pepinnini Minerals website
LUDWIG K.R. et al. Geochronology of Precambrian granites and associated U-Ti-Th mineralization, north. Olary Prov., SA. Contr. Mineral. Petr.,1984, 86, p. 298-308
        • Glenorchy homestead area
Pepinnini Minerals data / Campana B. 1957, J.Geol.Soc.SA, 4/1,1-12
Whittle 1959, Econ Geol. 54, 64-81; Campana B. 1956, J. Geol Soc. Aust. 4/1, 1-12
PAWulser - EMPA analysis (unpubl.)
Whittle, A.W.G. 1959, The Nature of Davidite. Economic Geology 54,64-81
Whittle 1959, Econ Geol. 54, 64-81; Campana B. 1956, J. Geol Soc. Aust. 4/1, 1-12
      • Radium Hill area
Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 1044.; Mawson D (1906) On certain new mineral species associated with carnotite in the radio-active ore body near Olary. Transactions of the Royal Society of South Australia 30, 188-193
  • Hebei Province
    • Zhangjiakou Prefecture
Zhang Peishan, Yang Zhuming, Tao Kejie, and Yang Xueming (1996): "Mineralogy and Geology of Rare Earths in China", Science Press (Beijing), 226 pp.
Zhang Peishan, Yang Zhuming, Tao Kejie, and Yang Xueming (1996): "Mineralogy and Geology of Rare Earths in China", Science Press (Beijing), 226 pp.
Czech Republic
  • Bohemia (Böhmen; Boehmen)
    • Liberec Region
      • Česká Lípa (Böhmisch Leipa)
Pauliš P., Kopecký S., Černý P. 2007: Uranové minerály České Republiky a jejich naleziště. 1. část. (Kutna Hora, issue 1)]
Democratic Republic of Congo (Zaïre)
  • Kivu
Van Wambecke L. (1968). A second occurence of non-metamict davidite. Mineralium Deposita, 3, 178-181
  • Lapland Region
    • Enontekiö
Al-Ani, Thair and Pakkanen, Lassi (2013): Mini-Atlas of REE-minerals in Finnish Bedrocks. Geologian Tutkimuskeskus/Geological Survey of Finland.
  • Yazd Province
    • Bafq (Bafgh)
Pavel M. Kartashov analytical data (2008)
  • Karagandy Province (Qaragandy Oblysy; Karaganda Oblast')
Eseev, A.A. (1995): Kazakhstan and Middle East - A brief mineralogical guide. World of Stones, 8, 24.
  • Gobi Desert
N.V. Vladykin data
  • Tete Province
PA Wulser - EMPA analyses
  • Aust-Agder
    • Iveland
      • Frikstad
Hansen, G. H. (2001): Mineralene i Evje - Iveland. (Minerals of Evje - Iveland). Published by Froland Mineral Center.p 30
  • Finnmark
    • Kautokeino
Olerud.S (1988) Davidite-loveringite in early Proterozoic albite felsite in Finnmark, north Norway. Mineral Mag 52:400-402
  • Northern Region
    • Murmanskaja Oblast'
      • Kola Peninsula
        • Pechengsky District
          • Pechenga Ni-Cu ore field
Компанченко А.А., Волошин А.В., Базай А.В. Ванадиевая минерализация в колчеданных проявлениях - новый тип для Южно-Печенгской структурной зоны, Кольский регион, - Месторождения стратегических металлов: закономерности размещения, источники вещества, условия и механизмы образования. Всероссийская конференция, посвящённая 85-летию ИГЕМ РАН.Москва, 25-27 ноября 2015 г. Материалы докладов. М.: ИГЕМ РАН, 2015. 336 с.
  • Urals Region
    • Southern Urals
      • Chelyabinsk Oblast'
        • Ilmen Mts
          • Ilmen Natural Reserve
P.M. Kartashov data
South Africa
  • Northern Cape Province
    • ZF Mgcawu District
Minerals of South Africa
  • Wallis (Valais)
    • Binn Valley
      • Chummibort
Cuchet, S., Crumbach, M. and van der Burgt, A. (2014): Das Binntal enthüllt ein grosses Geheimnis. Schweizer Strahler 48 (2), 2-55 (in German and French)
  • Viloyati Mukhtori Gorno-Badakhshan (Viloyati Badakhshoni Kuni)
    • Pamir Mts
      • Khorog Region
        • Shakhdara Range
P.M. Kartashov data; P.M. Kartashov data
  • Arizona
    • Pima Co.
      • Tohono O'odom (Papago) Indian Reservation
        • Quijotoa Mts
          • Quijotoa District
            • Quijotoa (Covered Wells)
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 199; Pabst, A. & R.W. Thomssen (1959), Davidite from the Quijotoa Mountains, Pima Co., AZ (abstract), Geol.Soc.Amer. Bull.: 70: 1739; Pabst, A. (1961), X-ray crystallography of davidite, Am.Min.: 46: 700-718.; Bryan M. Gatehouse, Ian E. Grey and Patrick R. Kelly (1979) The crystal structure of davidite. American Mineralogist 64:1010-1017
  • Connecticut
    • New London Co.
      • Waterford
Rocks & Min.:64:471.; Rocks & Minerals (1995) 70:396-409
  • Lusaka Province
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