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Yttrotungstite-(Y)

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Formula:
YW2O6(OH)3
Colour:
Orange-yellow
Hardness:
1
Name:
Named after its chemical composition containing yttrium and tungsten.
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Classification of Yttrotungstite-(Y)Hide

Approved, 'Grandfathered' (first described prior to 1959)
4.FD.20

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
F : Hydroxides (without V or U)
D : Hydroxides with OH, without H2O; chains of edge-sharing octahedra
49.3.3.2

49 : HYDRATED MOLYBDATES AND TUNGSTATES
3 : Hydrated Molybdates and Tungstates Containing Hydroxyl or Halogen
27.4.6

27 : Sulphites, Chromates, Molybdates and Tungstates
4 : Tungstates

Physical Properties of Yttrotungstite-(Y)Hide

Colour:
Orange-yellow
Hardness:

Optical Data of Yttrotungstite-(Y)Hide

Type:
Biaxial (-)
RI values:
nα = 1.890 nβ = 1.980 nγ = 2.020
2V:
Measured: 68° , Calculated: 64°
Max Birefringence:
δ = 0.130
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Very High
Dispersion:
r > v strong

Chemical Properties of Yttrotungstite-(Y)Hide

Formula:
YW2O6(OH)3
IMA Formula:
Y(W,Fe,Si,Al,Ti)2(O,OH,H2O)9

X-Ray Powder DiffractionHide

Image Loading

Radiation - Copper Kα
Data Set:
Data courtesy of RRUFF project at University of Arizona, used with permission.

Type Occurrence of Yttrotungstite-(Y)Hide

Synonyms of Yttrotungstite-(Y)Hide

Other Language Names for Yttrotungstite-(Y)Hide

Common AssociatesHide

Associated Minerals Based on Photo Data:
Kaolinite2 photos of Yttrotungstite-(Y) associated with Kaolinite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

4.FD.05SpertiniiteCu(OH)2Orth.
4.FD.10BracewelliteCrO(OH)Orth. mmm (2/m 2/m 2/m)
4.FD.10DiasporeAlO(OH)Orth. mmm (2/m 2/m 2/m)
4.FD.10GroutiteMn3+O(OH)Orth. mmm (2/m 2/m 2/m) : Pnma
4.FD.10GuyanaiteCrO(OH)Orth.
4.FD.10Montroseite(V3+,Fe3+)O(OH)Orth.
4.FD.10TsumgalliteGaO(OH)Orth.
4.FD.15ManganiteMn3+O(OH)Mon. 2/m : P21/b
4.FD.20Yttrotungstite-(Ce)(Ce,Nd,Y)W2O6(OH)3Mon. 2 : P21
4.FD.20Unnamed (Nd-analogue of Yttrotungstite-(Ce))(Nd,Ce,La)W2O6(OH)3
4.FD.25FrankhawthorneiteCu2Te6+O4(OH)2Mon.
4.FD.30KhinitePb2+Cu2+3[Te6+O6](OH)2Orth. mm2 : Fdd2
4.FD.30Khinite-3TPb2+Cu2+3Te6+O6(OH)2Trig. 3 : P32

Related Minerals - Dana Grouping (8th Ed.)Hide

49.3.3.1Yttrotungstite-(Ce)(Ce,Nd,Y)W2O6(OH)3Mon. 2 : P21

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

27.4.1CuprotungstiteCu2(WO4)(OH)2Tet. 4 2 2 : P41 21 2
27.4.2ScheeliteCa(WO4)Tet. 4/m : I41/a
27.4.4AnthoiniteAlWO3(OH)3Tric. 1
27.4.5MpororoiteWAlO3(OH)3 · 2(H2O)
27.4.7Yttrotungstite-(Ce)(Ce,Nd,Y)W2O6(OH)3Mon. 2 : P21
27.4.8StolzitePb(WO4)Tet. 4/m : I41/a
27.4.9RaspitePb(WO4)Mon. 2/m : P21/b
27.4.10RusselliteBi2WO6Orth.
27.4.11PinalitePb3WO5Cl2Orth.
27.4.12Uranotungstite(Fe2+,Ba,Pb)(UO2)2(WO4)(OH)4 · 12H2OOrth.
27.4.13HübneriteMnWO4Mon. 2/m : P2/b
27.4.14FerberiteFeWO4Mon. 2/m : P2/b
27.4.15Wolframite(Fe2+)WO4 to (Mn2+)WO4Mon. 2/m : P2/b
27.4.16FerritungstiteIso. m3m (4/m 3 2/m) : Fd3m
27.4.17Phyllotungstite(H2O,M)x(W,Fe)(O,OH)3 · yH2O (M = Ca, Cs, Pb or K)Hex. 6/mmm (6/m 2/m 2/m) : P63/mmc
27.4.18Qitianlingite(Fe,Mn)2(Nb,Ta)2WO10Orth.

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 Yttrotungstite-(Y)Hide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Colonial Geol. and Min. Resources, London (1950): 1: 50-51.
American Mineralogist (1951) 36: 641.
Davis, R.J. & Smith, G.W. (1971) Yttrotungstite. Mineralogical Magazine: 38, 261-285.
Mineralogical Record (1981): 12: 81.

Internet Links for Yttrotungstite-(Y)Hide

Localities for Yttrotungstite-(Y)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.
Malaysia (TL)
 
  • Perak
    • Kinta District
      • Kramat Pulai
[Colonial Geol. and Min. Resources, London (1950) 1, 50-51; MinRec 12:86]
[MinRec 12:86]
Mineral and/or Locality  
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