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Hydrokenoelsmoreite

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Formula:
2W2O6(H2O)
System:
Isometric
Colour:
White
Lustre:
Adamantine
Hardness:
3
Name:
For the locality
Formerly called elsmoreite (if chemically pure) or ferritungstite (Fe-bearing variety, with W>Fe) or alumotungstite (Al-bearing variety; W>Al).

V- and Cr-rich varieties with black colour are known from the Clara mine, Black Forest.

Compare hydroxykenoelsmoreite. See also jixianite.

The recent crystallochemical data (Mills et al., 2016) was obtained basing on material ("elsmoreite", formerly known as "ferritungstite") from Hemerdon mine (now Drakelands mine) in Devon, UK. The 3C and 6R polytypes were recognized. For the second polytype info see 'hydrokenoelsmoreite-6R'.


Classification of Hydrokenoelsmoreite

Approved
Approval Year:
2010
4.DH.15

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
D : Metal: Oxygen = 1:2 and similar
H : With large (+- medium-sized) cations; sheets of edge-sharing octahedra

Physical Properties of Hydrokenoelsmoreite

Adamantine
Colour:
White
Streak:
White
Hardness (Mohs):
3
Tenacity:
Brittle
Cleavage:
None Observed
Fracture:
Splintery

Optical Data of Hydrokenoelsmoreite

Type:
Isotropic
RI values:
n = 2.24
Max Birefringence:
δ = 0.000 - Isotropic minerals have no birefringence
Surface Relief:
Very High
Comments:
Optical and physical properties measured from synthetic material.

Chemical Properties of Hydrokenoelsmoreite

Formula:
2W2O6(H2O)

the alternative formula based on data obtained by Mills et al. (2016): (◻,Na,H2O)2(W,Fe3+,Al)(O,OH)6·H2O
Elements listed in formula:
Analytical Data:
Hemerdon (Drakelands) mine material (Mills et al., 2016), 3C polytype

Crystallography of Hydrokenoelsmoreite

Polytype:
Formula:
Crystal System:
Class (H-M)
Space Group:
Space Group Setting:
Cell Parameters:
Ratio:
Unit Cell Volume (calc):
Z:
Hydrokenoelsmoreite-3CHydrokenoelsmoreite-6R
2W2O6(H2O)2W2O6(H2O)
Isometric Trigonal 
m3m (4/m 3 2/m) - Hexoctahedral3 - Rhombohedral
Fd3m R3
 R3
a = 10.3065(3) Å
a = 7.2882(2) Å, c = 35.7056(14) Å
a:c = 1 : 4.899
V 1,094.80 ų
(Calculated from Unit Cell)
V 1,642.51 ų
(Calculated from Unit Cell)
  
X-Ray Powder Diffraction Data:
d-spacingIntensity
5.88 (100)
3.08 (62)
2.944 (78)
2.551 (12)
1.964 (17)
1.804 (23)
1.725 (14)
1.538 (14)
Comments:
Similar to data for ferritungstite.

Type Occurrence of Hydrokenoelsmoreite

Empirical Formula:
(Na0.28Ca0.04K0.02(H2O)0.201.46)Σ2.00(W1.47Fe3+0.32Al0.21As5+0.01)Σ2.00[O4.79(OH)1.21]Σ6.00·(H2O)

Relationship of Hydrokenoelsmoreite to other Species

Other Members of Group:
Hydroxykenoelsmoreite(□,Pb)2(W,Fe3+,Al)2(O,OH)6(OH)
4.DH.05BranneriteUTi2O6
4.DH.05OrthobranneriteU4+U6+Ti4O12(OH)2
4.DH.05Thorutite(Th,U,Ca)Ti2(O,OH)6
4.DH.10KassiteCaTi2O4(OH)2
4.DH.10Lucasite-(Ce)CeTi2O5(OH)
4.DH.15Bariomicrolite (of Hogarth 1977)
4.DH.15Bariopyrochlore (of Hogarth 1977)A2Nb2(O,OH)6Z
4.DH.15Betafite (of Hogarth 1977)A2-mB2X6-wY1-n
4.DH.15Bismutomicrolite (of Hogarth 1977)
4.DH.15Calciobetafite (of Mazzi & Munno)(Ca,Na)2(Nb,Ti)2(O,OH)7
4.DH.15Ceriopyrochlore (of Hogarth 1977)A2Nb2(O,OH)6Z
4.DH.15Cesstibtantite
4.DH.15JixianitePb(W,Fe3+)2(O,OH)7
4.DH.15Hydropyrochlore(H2O,◻)2Nb2(O,OH)6(H2O)
4.DH.15Natrobistantite
4.DH.15Plumbopyrochlore (of Skorobogatova et al.)A2Nb2(O,OH)6Z
4.DH.15Plumbomicrolite (of Hogarth 1977)
4.DH.15Plumbobetafite (of Hogarth 1977)A2-mB2X6-wY1-n
4.DH.15Stibiomicrolite (of Groat et al.)
4.DH.15Strontiopyrochlore (of Hogarth 1977)A2Nb2(O,OH)6Z
4.DH.15Stannomicrolite (of Hogarth 1977)
4.DH.15Stibiobetafite (of Černý et al.)A2-mB2X6-wY1-n
4.DH.15Uranpyrochlore (of Hogarth 1977)(U,Ca,Ce)2(Nb,Ta)2O6(OH,F)
4.DH.15Yttrobetafite (of Hogarth 1977)A2-mB2X6-wY1-n
4.DH.15Yttropyrochlore (of Hogarth 1977)A2Nb2(O,OH)6Z
4.DH.15Fluornatromicrolite(Na1.5Bi0.5)Ta2O6F
4.DH.15Bismutopyrochlore (of Chukanov et al.)A2Nb2(O,OH)6Z
4.DH.20BismutostibiconiteBi(Sb5+,Fe3+)2O7
4.DH.20BindheimitePb2Sb25+O7
4.DH.20Monimolite
4.DH.20CuproroméiteCu2Sb2(O,OH)7
4.DH.20StetefeldtiteAg2Sb2(O,OH)7(?)
4.DH.20Stibiconite(Sb,O,OH) ?
4.DH.25RosiaitePbSb2O6
4.DH.30Zirconolite(Ca,Y)Zr(Ti,Mg,Al)2O7
4.DH.35LiandratiteU6+Nb2O8
4.DH.35PetscheckiteU4+Fe2+Nb2O8
4.DH.40IngersoniteCa3Mn2+Sb45+O14
4.DH.45Pittongite(Na,H2O)0.7(W,Fe3+)(O,OH)3

Other Names for Hydrokenoelsmoreite

Name in Other Languages:
Simplified Chinese:水钨石
Traditional Chinese:水鎢石

Other Information

Other Information:
Decomposed by acids with the separation of yellow tungstic oxide.
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 Hydrokenoelsmoreite

Reference List:
Williams, P.A., Leverett, P., Sharpe, J.L., Colchester, D.M. (2005): Elsmoreite, cubic WO3•0.5H2O, a new mineral species from Elsmore, New South Wales, Australia. Canadian Mineralogist, 43, 1061-1064. [as elsmoreite]

Christy, A. G., & Atencio, D. (2013). Clarification of status of species in the pyrochlore supergroup. Mineralogical Magazine: 77(1): 13-20.

Mills, S.J., Christy, A.G., Rumsey, M.S., Spratt, J. (2016): The crystal chemistry of elsmoreite from the Hemerdon (Drakelands) mine, UK: hydrokenoelsmoreite-3C and hydrokenoelsmoreite-6R. Mineralogical Magazine: 80: (in press); http://forum.amiminerals.it/viewtopic.php?t=12520 (2016)

Internet Links for Hydrokenoelsmoreite

mindat.org URL:
https://www.mindat.org/min-27428.html
Please feel free to link to this page.

Localities for Hydrokenoelsmoreite

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.
Argentina
 
  • Córdoba
    • Minas Department
Fernández, R.R., 1999. El distrito minero La Bismutina, Córdoba. En Recursos Minerales de la República Argentina (Ed. E.O. Zappettini), Instituto de Geología y Recursos Minerales SEGEMAR, Anales 35:443-448.
  • Jujuy
    • Cochinoca Department
      • Tusaquillas
Kittl (1939) Rev. min., Soc. Argentina Min. Geol.: 10: 78; 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: 1094.
Australia
 
  • New South Wales
    • Gough Co.
      • Dundee
Dieter Mylius collection, collected in 2015, analysed by XRD
      • Elsmore
Canadian Mineralogist 43:1061-1064; Rankin, J., Lawrence, L. J., Sharpe, J. L. and Williams, P. A. (2002): Rare secondary bismuth, tungsten and molybdenum minerals from Elsmore, New England district of New South Wales. Australian Journal of Mineralogy 8, 55-60.
    • Wellesley Co.
Williams, P.A., Leverett, J. L., Sharpe, L. & Colchester, D. M. (2005). Elsmoreite, Cubic WO3 0.5H20, A new mineral species from Elsmore, New South Wales, Australia. The Canadian Mineralogist, Vol 43. pp. 1061-1064
  • Tasmania
    • Circular Head municipality
      • Interview River district
Bottrill & Baker (in prep) Catalogue of minerals of Tasmania
    • Kentish municipality
      • Moina - Middlesex District
http://www.crocoite.com/locations/princessmoina.htm
  • Victoria
    • Campaspe Shire
      • Cornella
Ryan Eagle field observation
    • Golden Plains Shire
      • Pittong
Birch, W.D., Grey, I.E., Mills, S.J., Bougerol, C., Pring, A., Ansermet, S. (2007): Pittongite, a new secondary tungstate from Pittong, Victoria, Australia. Canadian Mineralogist, 45, 857-864.
Museum Victoria Mineralogy Collection
  • Western Australia
    • Port Hedland Shire
      • Abydos Station
        • Wodgina
Simpson, Edward S. (1928) Famous Mineral Localities: Wodgina, North West Australia, American Mineralogist, Vol. 13, No. 9, September 1928, pp.457-468.
    • Westonia Shire
      • Westonia
Simpson, E.S., (1948) Minerals of Western Australia. Volume 1-3. Government Printer, Perth.
Bolivia
 
  • Potosí Department
    • Nor Chichas Province
      • Atocha-Quechisla District
        • Cerro Tazna
[MinRec 32:472]
Canada
 
  • Yukon
    • Mayo Mining District
      • Mayo
        • Kalzas Mt
J.W. Anthony, R.A. Bideaux, K.W. Bladh, M.C. Nichols: Handbook of Mineralogy, Vol. III (1997)
Czech Republic
 
  • Moravia (Mähren; Maehren)
    • Vysočina Region
      • Pacov
Losertová, L., Losos, Z. (2014): W-mineralization from greisen at Cetoraz near Pacov, Czech Republic. 4th Central European Mineralogical Conference, Skalský Dvůr, Czech Republic, 23-26 April 2014, Abstract Volume, 78.
France
 
  • Nouvelle-Aquitaine
    • Corrèze
      • Meymac
Ansermet, S., Cuchet, S. & Meisser, N. (2010): Minéralogie de la mine de La grange, Meymac, Corrèze. Le Règne Minéral, 91: 23-31
    • Haute-Vienne
      • Saint-Léonard-de-Noblat
Patrice Queneau Collection
      • Saint-Sulpice-Laurière
"Les minéraux, leurs gisements, leurs associations", P. Bariand, F. Cesbron et J. Geffroy (1977), Editions Minéraux et Fossiles, BRGM
Germany
 
  • Baden-Württemberg
    • Black Forest
      • Wolfach
        • Oberwolfach
          • Rankach valley
Walenta, K. (1992): Die Mineralien des Schwarzwaldes. Chr. Weise Verlag, München, 336 pp. (in German); WALENTA, K. (1995): Ein neues Mineral von der Grube Clara oder nur eine Ferritungstit-Varietät? Lapis 20 (12), 36-37; Walenta, K. (1999): Ferritungstit von der Grube Clara im mittleren Schwarzwald. Aufschluss 50, 211-217. (in German); Weiß, S. (2001): Ferritungstit aus der Grube Clara. Lapis 25 (5), 35-36.
  • Saxony
    • Vogtland
      • Auerbach
        • Eich
Andreas Gerstenberg collection
Italy
 
  • Piedmont
    • Biella Province
      • Cervo 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, 607 pag.
          • Cascine Machetto
Orlandi, P. & Campostrini, I. (2005): Zibaldone. Aggiornamenti di mineralogia italiana 2004. Rivista Mineralogica Italiana, 3/2005, 184-191.; 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, 607 pag.
    • Verbano-Cusio-Ossola Province
      • Ossola Valley
        • Vigezzo Valley
          • Druogno
            • Antoliva Valley
              • Alpe Campra (Campra)
Vanini, F. , Meisser, N., Bonacina, E. (2008): Galenobismutite e ferritungstite in Val Vigezzo. Micro (notizie mineralogiche), 1/2008, 121-122.
  • Sardinia
    • Carbonia-Iglesias Province
      • Fluminimaggiore
Stara, P., Rizzo, R., Tanca, G. A. (1996): Iglesiente – Arburese, Miniere e Minerali. Associazioni e Gruppi Mineralogici Italiani Ed., 238 pp.
Brizzi G., Cocco E., Olmi F., Sabelli C. (1989) - Nuovi ritrovamenti di minerali nella Sardegna Sud Occidentale - Rivista Mineralogica Italiana, Milano, fasc. 2, pp. 69-82
    • Medio Campidano Province
      • Gonnosfanadiga
        • Fenugu Sibiri Mine
Brizzi, G., Olmi, F., Sabelli, C. (1994): Gli arseniati di Pira Inferida, Gonnofanadiga (CA). Rivista Mineralogica Italiana, 3/1994, 193-206.
Stara, P., Rizzo, R., Tanca, G.A. (1996): Iglesiente e Arburese. Miniere e Minerali. Edito a cura dell'EMSA e "varie associazioni mineralogiche", Volume 2°, 239 pp.
Stara, P., Rizzo, R., Tanca, G.A. (1996): Iglesiente e Arburese. Miniere e Minerali. Edito a cura dell'EMSA e "varie associazioni mineralogiche", Volume 2, 192 pp.
Japan
 
  • Honshu Island
    • Chubu region
      • Yamanashi prefecture
        • Kinpuzan district
          • Kofu City
Tsunoda & Shimizu (1995) Shigen-Chishitsu, 45, 111-120.
    • Chugoku Region
      • Yamaguchi Prefecture
        • Mine city
Shirose, Y. & Uehara, S. (2011) Philipsburgite from the Yamato mine, Yamaguchi Prefecture, Japan. Journal of Mineralogical and Petrological Sciences, 106, 153-157.; Nagashima, M., Akasaka, M., & Morifuku, Y. (2016). Ore and Skarn Mineralogy of the Yamato Mine, Yamaguchi Prefecture, Japan, with Emphasis on Silver‐, Bismuth‐, Cobalt‐, and Tin‐bearing Sulfides. Resource Geology, 66(1), 37-54.
    • Kinki Region
      • Kyoto Prefecture
        • Sohraku-gun
          • Wazuka-cho
SHIMOBAYASHI, N., OHNISHI, M., and TSURUTA, K. (2012) Secondary tungsten minerals in quartz veins in the Ishidera area, Wazuka, Kyoto Prefecture, Japan: anthoinite, mpororoite, and Fe-free hydrokenoelsmoreite. Journal of Mineralogical and Petrological Sciences, 107, No. 1 (February), 33-38.
  • Kyushu Region
    • Nansei Archipelago
      • Kagoshima Prefecture
        • Yakushima-cho
          • Yakushima Island
rruff.geo.arizona.edu/doclib/hom/ferritungstite.pdf
Kazakhstan
 
  • Karagandy Province (Qaragandy Oblysy; Karaganda Oblast')
    • Akchatau (Aqshatau; Akschatau; Akchataul; Akshatau)
Evseev, A. A. (1995) Kazaknstan and Middle Asia. A brief Mineralogical Guide. World of Stone 8:24-30
    • Betpakdala Desert (Bet-Pak-Dal Desert)
Jeremolenko, V. (2002): Kara-Oba: Mineralogische Perle der Betpak-Ebene bei Dzhambul, Kasachstan. Lapis 27 (4), 13-34 + 50
Malaysia (TL)
 
  • Perak
    • Kinta District
      • Kramat Pulai
Mineralogical Magazine(1971) 38, 261-285
Portugal
 
  • Braga District
    • Terras de Bouro
      • Cibões
        • Vergaço
Pedro Alves collection
  • Bragança District
    • Freixo de Espada à Cinta
      • Lagoaça
Gomes, M.E.P., Antunes, I.M.H.R., Pacheco, F.A.L., Neiva, A. M. R., and Silva, P.B. (2010): Goldschmidt Conference Abstracts 2010.
  • Vila Real District
    • Montalegre
      • Salto
Bernard & Hyrsl (2004) Minerals and their Localities. (Granit, Prague)
Russia
 
  • Far-Eastern Region
    • Chukotskii Autonomous Okrug
      • Iul'tinskiy Mining Complex
Rwanda
 
  • Kigali City Province
    • Kigali
Bernard & Hyrsl (2004) Minerals and their Localities. (Granit, Prague)
  • Northern Province
    • Cyeru Commune
      • Gifurwe sector
J. W. Anthony et al.: "Handbook of Mineralogy", Vol.3 (1997), 11
Spain
 
  • Extremadura
    • Cáceres
      • Almoharín
Bocamina, GMM (Grupo Mineralogista de Madrid)
Thailand
 
  • Phrae Province
Dill, H.G., Melcher, F., and Botz, R. (2008): Ore Geology Reviews 34, 242-262.
Uganda
 
  • Western Region
    • Kabale District
Ricard W. Barstow List. November 1977 (http://barstow.mindat.org/pdf/1977-11.pdf)
    • Kigezi District
J. W. Anthony et al.: "Handbook of Mineralogy", Vol.3 (1997), 11
      • Kisoro
O. von Knorring, T.G. Sahama, M. Lehtinen: Bull. Geol. Soc. Finland 44:107-110 (1972); Amer. Mineral. 58:1112 (1973)
J. W. Anthony et al.: "Handbook of Mineralogy", Vol.3 (1997), 11
UK
 
  • England
    • Cornwall
      • Callington District
        • Calstock
          • Gunnislake
Weiss, S., Green, D.H., Hooper, J.J., and Elton, N. (2007): Lapis 32(11), 13-25
      • Camborne - Redruth - St Day District
        • Gwennap
          • St Day United Mines (Poldice Mines)
No reference listed
    • Devon
      • Tavistock District
        • Plympton
  • Northern Ireland
    • Co. Down
      • Mourne Mts
Moles, N. R., & Tindle, A. G. (2012). Tungsten and bismuth minerals, including russellite, within greisen veins in the western Mourne Mountains, Northern Ireland. Journal of the Russell Society, 15, 40-48.
Moles, N. R., & Tindle, A. G. (2012). Tungsten and bismuth minerals, including russellite, within greisen veins in the western Mourne Mountains, Northern Ireland. Journal of the Russell Society, 15, 40-48.
USA
 
  • Colorado
    • Boulder Co.
      • Boulder Co. Tungsten District
Minerals of Colorado (1997) Eckels, E. B.
  • Connecticut
    • Middlesex Co.
Januzzi, 1976. Mineral Localities of CT and Southeastern NY State, p.234
  • Missouri
    • Madison Co.
      • Fredericktown District
R&M 73:2 pp 98-117; Graf, D.L. (1947) A study of the mineral ferritungstite (unpublished masters thesis, Columbia University).
  • Nevada
    • Humboldt Co.
      • Osgood Mts
        • Potosi District
NBMG Spec. Pub. 31 Minerals of Nevada
    • Mineral Co.
      • Eagleville District
NBMG Bull 58 Geology and Mineral Resources of Mineral County, Nevada
NBMG Spec. Pub. 31 Minerals of Nevada
  • Utah
    • Tooele Co.
      • Deep Creek Mts
Bernard & Hyrsl (2004) Minerals and their Localities. (Granit, Prague)
  • Washington
    • Stevens Co.
      • Huckleberry Range
        • Deer Trail & Cedar Canyon Districts
          • Adams Mountain
American Journal of Science, series 4 (1911): 32, 161-162; 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: 1094; Minerals of Washington, Bart Cannon 1975, Dana 7:II:1094.
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