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Ferritungstite

Big Photo

Clara Mine, Rankach valley, Oberwolfach, Wolfach, Black Forest, Baden-Württemberg, Germany
© Stephan Wolfsried

Show Ferritungstite Photos (16)
Formula:
(W,Fe
3+
 
)(O,OH)
 
3
System:IsometricColour:Pale to bright yellow, ...
Name:In allusion to the composition, containing FERRIc iron (Fe3+), and TUNGSTen.


A cubic mineral closely related to the Pyrochlore Group. See also Alumotungstite. A "hexagonal" tabular variety may represent a separate species (Walenta, 1999).

A rare secondary mineral occurring as an alteration coating on, or replacing, primary tungsten minerals.

Classification of Ferritungstite

IMA status:Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
Strunz 8th edition ID:4/C.20-10
Nickel-Strunz 10th (pending) edition ID: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
Dana 8th edition ID:4.5.5.1

4 : SIMPLE OXIDES
5 : AX3
Hey's CIM Ref.:27.4.16

27 : Sulphites, Chromates, Molybdates and Tungstates
4 : Tungstates
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Type Occurrence of Ferritungstite

Type Locality:Germania Mine (Roselle Mine), Adams Mountain, Deer Trail & Cedar Canyon Districts, Stevens Co., Washington, USA
Place of Conservation of Type Material:Harvard University, Cambridge, Massachusetts: #101796. U.S National Museum of Natural History, Washington, D.C., USA: #86985.
Year of Discovery:1911

Physical Properties of Ferritungstite

Lustre:Vitreous
Diaphaneity (Transparency):Translucent
Colour:Pale to bright yellow, orange, brownish yellow, brown
Hardness Data:Could not be measured
Density (measured):5.02 - 5.2 g/cm3
Density (calculated):5.16 g/cm3

Crystallography of Ferritungstite

Crystal System:Isometric
Class (H-M):m3m (4/m 3 2/m) - Hexoctahedral
Space Group:Fd3m (F41/d 3 2/m)
Cell Parameters:a = 10.352Å
Unit Cell Volume:V 1,109.36 ų (Calculated from Unit Cell)
Z:8
Morphology:Crystals minute octahedra; as rosettes, in aggregates; earthy crusts; fibrous.
Twinning:Penetration twins and platy, six-sided, cyclic twins, according to the spinel law.

Optical Data of Ferritungstite

Type:Isotropic
RI values: n = 2.09 - 2.15
Maximum Birefringence:δ = 0.000 - Isotropic minerals have no birefringence
Surface Relief:Very High
Comments:Anomalously anisotropic.

Chemical Properties of Ferritungstite

Formula:
(W,Fe
3+
 
)(O,OH)
 
3
Essential elements:O, W
All elements listed in formula:Fe, H, O, W
Common Impurities:Cs,K,Ca,Na

Relationship of Ferritungstite to other Species

Common Associates:
WolframiteScheeliteRusselliteMpororoiteJarosite
FerberiteAnthoiniteAlumotungstite
Related Minerals - Nickel-Strunz Grouping):
4.DH.05Brannerite
(U
4+
 
,Ca)(Ti,Fe
3+
 
)
 
2
O
 
6
4.DH.05Orthobrannerite
UTi
 
4
O
 
12
(OH)
 
2
4.DH.05Thorutite
(Th,U,Ca)Ti
 
2
(O,OH)
 
6
4.DH.10Kassite
CaTi
 
2
O
 
4
(OH)
 
2
4.DH.10Lucasite-(Ce)
CeTi
 
2
(O,OH)
 
6
4.DH.15Alumotungstite
(W,Al)(O,OH)
 
3
4.DH.15Bariomicrolite
Ba(Ta,Nb)
 
2
(O,OH)
 
7
4.DH.15Bariopyrochlore
(Ba,Sr)
 
2
(Nb,Ti)
 
2
(O,OH)
 
7
4.DH.15Betafite
(Ca,U)
 
2
(Ti,Nb)
 
2
O
 
6
(OH)
4.DH.15Bismutomicrolite
(Bi,Ca)(Ta,Nb)
 
2
O
 
6
(OH)
4.DH.15Calciobetafite
(Ca,RE,Th,U)
 
2
(Nb,Ta,Ti)
 
2
O
 
7
4.DH.15Ceriopyrochlore-(Ce)
(Ce,Ca,Y)
 
2
(Nb,Ta)
 
2
O
 
6
(OH,F)
4.DH.15Cesstibtantite
(Cs,Na)SbTa
 
4
O
 
12
4.DH.15Jixianite
Pb(W,Fe
3+
 
)
 
2
(O,OH)
 
7
4.DH.15Kalipyrochlore
(K,Sr)
 
2-x
Nb
 
2
O
 
6
(O,OH)·nH
 
2
O
4.DH.15Microlite
(Ca,Na)
 
2
Ta
 
2
O
 
6
(O,OH,F)
4.DH.15Natrobistantite
(Na,Cs)Bi(Ta,Nb,Sb)
 
4
O
 
12
4.DH.15Plumbopyrochlore
(Pb,Y,U,Ca)
 
2-x
Nb
 
2
O
 
6
(OH)
4.DH.15Plumbomicrolite
(Pb,Ca,U)
 
2
Ta
 
2
O
 
6
(OH)
4.DH.15Plumbobetafite
(Pb,U,Ca)(Ti,Nb)
 
2
O
 
6
(OH,F)
4.DH.15Pyrochlore
(Ca,Na)
 
2
Nb
 
2
O
 
6
(OH,F)
4.DH.15Stibiomicrolite
(Sb,Ca,Na)
 
2
(Ta,Nb)
 
2
O
 
7
4.DH.15Strontiopyrochlore
(Sr,Ce,Ca)
 
0.66
(Nb,Fe)
 
2
(O,OH)
 
7
4.DH.15Stannomicrolite
(Sn,Fe,Mn)
 
2
(Ta,Nb,Sn)
 
2
(O,OH)
 
7
4.DH.15Stibiobetafite
(Sb,Ca)
 
2
(Ti,Nb,Ta)
 
2
(O,OH)
 
7
4.DH.15Uranmicrolite
(U,Ca,Ce)
 
2
(Ta,Nb)
 
2
O
 
6
(OH,F)
4.DH.15Uranpyrochlore
(U,Ca,Ce)
 
2
(Nb,Ta)
 
2
O
 
6
(OH,F)
4.DH.15Yttrobetafite-(Y)
(Y,U,Ce)
 
2
(Ti,Nb,Ta)
 
2
O
 
6
OH
4.DH.15Yttropyrochlore-(Y)
(Y,Na,Ca,U)
 
1-2
(Nb,Ta,Ti)
 
2
(O,OH)
 
7
4.DH.15Fluornatromicrolite
(Na,Ca,Bi)
 
2
Ta
 
2
O
 
6
F
4.DH.15Bismutopyrochlore
(Bi,U,Ca,Pb)
 
1+x
(Nb,Ta)
 
2
O
 
6
(OH)·nH
 
2
O
4.DH.15Thorian Pyrochlore
4.DH.15Elsmoreite
WO
 
3
·0.5H
 
2
O
4.DH.20Bismutostibiconite
Bi(Sb
5+
 
,Fe
3+
 
)
 
2
O
 
7
4.DH.20Bindheimite
Pb
 
2
Sb
 
2
O
 
6
(O,OH)
4.DH.20Monimolite
(Pb,Ca,Fe)
 
3
Sb
 
2
O
 
7
4.DH.20Partzite
Cu
 
2
Sb
 
2
(O,OH)
 
7
4.DH.20Roméite
(Ca,Fe,Mn,Na)
 
2
(Sb,Ti)
 
2
O
 
6
(O,OH,F)
4.DH.20Stetefeldtite
Ag
 
2
Sb
 
2
(O,OH)
 
7
4.DH.20Stibiconite
SbSb
 
2
O
 
6
(OH)
4.DH.25Rosiaite
PbSb
5+
2
O
 
6
4.DH.30Zirconolite
CaZrTi
 
2
O
 
7
4.DH.35Liandratite
U(Nb,Ta)
 
2
O
 
8
4.DH.35Petscheckite
UFe(Nb,Ta)
 
2
O
 
8
4.DH.40Ingersonite
Ca
 
3
MnSb
 
4
O
 
14
4.DH.45Pittongite
Na
 
0.22
(W,Fe
3+
 
)(O,OH)
 
3
 · 0.44H
 
2
O
Related Minerals - Hey's Index Grouping:
27.4.1Cuprotungstite
Cu
 
2
[(OH)
 
2
|WO
 
4
]
27.4.2Scheelite
Ca[WO
 
4
]
27.4.4Anthoinite
WAlO
 
3
(OH)
 
3
 (?)
27.4.5Mpororoite
AlWO
 
3
(OH)
 
3
·2H
 
2
O
27.4.6Yttrotungstite-(Y)
YW
 
2
O
 
6
(OH)
 
3
27.4.7Yttrotungstite-(Ce)
(Ce,Nd,Y)W
 
2
O
 
6
(OH)
 
3
27.4.8Stolzite
Pb[WO
 
4
]
27.4.9Raspite
PbWO
 
4
27.4.10Russellite
(BiO)
 
2
[WO
 
4
]
27.4.11Pinalite
Pb
 
3
WO
 
3
Cl
 
2
27.4.12Uranotungstite
(Fe
2+
 
,Ba,Pb)(UO
 
2
)
 
2
[(OH)
 
4
|WO
 
4
] · 12H
 
2
O
27.4.13Hübnerite
MnWO
 
4
27.4.14Ferberite
FeWO
 
4
27.4.15Wolframite
(Fe
2+
 
)WO
 
4
 
 
to (Mn
2+
 
)WO
 
4
27.4.17Phyllotungstite
Ca
 
x
[(W,Fe)(O,OH)
 
3
]·yH
 
2
O
27.4.18Qitianlingite
(Fe,Mn)
 
2
(Nb,Ta)
 
2
WO
 
10

Other Names for Ferritungstite

German names:
Ferritungstit
Russian names:
Ферритунгстит
Spanish names:
Ferritungstita

Other Information

Other Information:Decomposed by acids with the separation of yellowm tungstic oxide.
Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Ferritungstite

Reference List:Schaller (1911) Journal of the Washington Academy of Science: 1: 24.

Schaller (1911) American Journal of Science: 32: 161.

Schaller (1911) Zeitschrift für Kristallographie, Mineralogie und Petrographie, Leipzig: 50: 112.

U.S. Geological Survey Bulletin 509 (1912): 83.

Larsen, E.S. (1921) The Microscopic Determination of the Nonopaque Minerals, First edition, USGS Bulletin 679: 74.

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. John Wiley and Sons, Inc., New York, 7th edition, revised and enlarged, 1124 pp.: 1093-1094.

Richter, D.H., L.E. Reichen, and D.M. Lemmon (1957) New data on ferritungstite from Nevada. American Mineralogist: 42: 83-90.

Sahama, T.G. (1981) The secondary tungsten minerals, a review. Mineralogical Record: 12: 82-85.

Ercit, T. S. & Robinson, G. W. (1994): A refinement of the structure of ferritungstite from Kalzas Mountain, Yukon, and observations on the tungsten pyrochlores. Canadian Mineralogist, 32, 567-574.

American Mineralogist (1995): 80: 849.

Walenta, K. (1999): Ferritungstit von der Grube Clara im mittleren Schwarzwald. Aufschluss 50, 211-217. (in German).

Internet Links for Ferritungstite

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    Localities for Ferritungstite

    Hide Locality List
    The 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.
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    (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.
    Argentina
     
    • Jujuy
    		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
     
    • Tasmania
      • Interview River district
    		Bottrill & Baker (in prep) Catalogue of minerals of Tasmania
      • Moina District (Middlesex District)
    		http://www.crocoite.com/locations/princessmoina.htm
    • Western Australia
      • Pilbara Region
    		AmMin 13:457
    Bolivia
     
    • Potosí Department
      • Nor Chichas Province
        • Atocha-Quechisla District
          • Cerro Tazna
    		[MinRec 32:472]
    Canada
     
    • Yukon Territory
      • Mayo Mining District
        • Mayo
          • Kalzas Mt
    		J.W. Anthony, R.A. Bideaux, K.W. Bladh, M.C. Nichols: Handbook of Mineralogy, Vol. III (1997)
    France
     
    • Limousin
      • Haute-Vienne
        • 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; Weiß, S. (2001): Ferritungstit aus der Grube Clara. Lapis 25 (5), 35-36.
    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
                • 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
     
    • Nansei Archipelago
      • Kagoshima Prefecture
        • Yakushima Island
    		rruff.geo.arizona.edu/doclib/hom/ferritungstite.pdf
    Russia
     
    • Far-Eastern Region
      • Chukot Peninsula
        • Chukotka (Tchukotka) Okrug
    Rwanda
     
    No reference listed
    • Ruhengeri 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)
    Uganda
     
    • 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
          • Gunnislake Area
    		Weiss, S., Green, D.H., Hooper, J.J. & Elton, N. (2007): Erzgänge und "alpine " klüfte: Die Mineralien des Hingston Quarry, Calstock, Cornwall. LAPIS 32 (11), 13-25
        • Camborne - Redruth - St Day District
          • Gwennap - St Day Area
            • St Day
    		No reference listed
      • Devon
        • Tavistock District
          • Plympton
    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
    • Nevada
      • Humboldt Co.
        • 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
    • Washington
      • Stevens Co.
        • 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.
    Mineral and/or Locality
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