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Winstanleyite

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About WinstanleyiteHide

Formula:
TiTe4+3O8
Colour:
Yellow, tan, cream-colored.
Lustre:
Adamantine, Greasy
Hardness:
4
Specific Gravity:
5.57
Crystal System:
Isometric
Name:
Named after Betty Jo Winstanley Williams, amateur mineralogist of Douglas, Arizona (USA) who collected the first specimens.
This page provides mineralogical data about Winstanleyite.


Classification of WinstanleyiteHide

Approved
Approval Year:
1979
4.JK.05

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
J : Arsenites, antimonites, bismuthites, sulfites, selenites, tellurites; iodates
K : Tellurites without additional anions, without H2O
34.5.2.1

34 : SELENITES, TELLURITES AND SULFITES
5 : A(X3O8)
28.3.12

28 : Selenites, Selenates, Tellurites, and Tellurates
3 : Tellurites

Pronounciation of WinstanleyiteHide

Pronounciation:
PlayRecorded byCountry
Jolyon & Katya RalphUnited Kingdom

Physical Properties of WinstanleyiteHide

Adamantine, Greasy
Transparency:
Translucent
Colour:
Yellow, tan, cream-colored.
Streak:
Light yellow
Hardness:
Tenacity:
Brittle
Comment:
Brittle, but tough.
Density:
5.57(4) g/cm3 (Measured)    5.63 g/cm3 (Calculated)

Optical Data of WinstanleyiteHide

Type:
Isotropic
RI values:
n = 2.34(2)
Birefringence:
Isotropic minerals have no birefringence
Surface Relief:
Very High

Chemical Properties of WinstanleyiteHide

Formula:
TiTe4+3O8
Common Impurities:
Fe

Crystallography of WinstanleyiteHide

Crystal System:
Isometric
Class (H-M):
m3 (2/m 3) - Diploidal
Space Group:
Ia3
Cell Parameters:
a = 10.963 Å
Unit Cell V:
1,317.61 ų (Calculated from Unit Cell)
Z:
8
Morphology:
Cubes, modified by octahedrons.

Type Occurrence of WinstanleyiteHide

Place of Conservation of Type Material:
Harvard University, Boston Massachusetts 119095
Geological Setting of Type Material:
Altered dump material.

Synonyms of WinstanleyiteHide

Other Language Names for WinstanleyiteHide

Common AssociatesHide

Associated Minerals Based on Photo Data:
Jarosite6 photos of Winstanleyite associated with Jarosite on mindat.org.
Emmonsite2 photos of Winstanleyite associated with Emmonsite on mindat.org.
Tellurite1 photo of Winstanleyite associated with Tellurite on mindat.org.
Opal1 photo of Winstanleyite associated with Opal on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

4.JK.05Walfordite(Fe3+,Te6+)Te4+3O8Iso. m3 (2/m 3) : Ia3
4.JK.10SpiroffiteMn2+2Te4+3O8Mon. 2/m : B2/b
4.JK.10ZincospiroffiteZn2Te4+3O8Mon. 2/m
4.JK.15BalyakiniteCu(TeO3)Orth.
4.JK.20RajiteCu(Te4+2O5)Mon. 2/m : P21/b
4.JK.25CarlfriesiteCaTe4+2Te6+O8Mon. 2/m : B2/b
4.JK.30Denningite(Mn2+,Ca,Zn)Te4+2O5Tet.
4.JK.35ChekhovichiteBi2Te4+4O11Mon. 2/m
4.JK.40SmirniteBi2Te4+O5Orth. mm2
4.JK.45Choloalite(Cu,Sb)3(Pb,Ca)3(TeO3)6Cl
4.JK.50FairbankitePb(TeO3)Tric.
4.JK.55PlumbotelluritePb(TeO3)Orth.
4.JK.60Magnolite(Hg+2)(Te4+O3)Orth. mm2
4.JK.65MoctezumitePb(UO2)(TeO3)2Mon.
4.JK.70Schmitterite(UO2)(TeO3)Orth.
4.JK.75Cliffordite(UO2)Te4+3O7Iso. m3 (2/m 3) : Pa3

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

28.3.1BalyakiniteCu(TeO3)Orth.
28.3.2RajiteCu(Te4+2O5)Mon. 2/m : P21/b
28.3.3GraemiteCu[TeO3] · H2OOrth. mmm (2/m 2/m 2/m) : Pmma
28.3.4TeineiteCu2+(Te4+O3) · 2H2OOrth. mmm (2/m 2/m 2/m)
28.3.5CesbroniteCu2+3Te6+O4(OH)4Orth.
28.3.6MroseiteCaTe4+(CO3)O2Orth. mmm (2/m 2/m 2/m) : Pbca
28.3.7QuetzalcoatliteZn6Cu3(TeO6)2(OH)6 · AgxPbyClx+2yTrig. 3m (3 2/m) : P3m1
28.3.8ZemanniteMg0.5ZnFe3+(Te4+O3)3 · 4.5H2OHex. 6/m : P63/m
28.3.9KinichiliteMg0.5Mn2+Fe3+(Te4+O3)3 · 4.5H2OHex. 6/m : P63/m
28.3.10Denningite(Mn2+,Ca,Zn)Te4+2O5Tet.
28.3.11SpiroffiteMn2+2Te4+3O8Mon. 2/m : B2/b
28.3.13FairbankitePb(TeO3)Tric.
28.3.14PlumbotelluritePb(TeO3)Orth.
28.3.15Choloalite(Cu,Sb)3(Pb,Ca)3(TeO3)6Cl
28.3.16SmirniteBi2Te4+O5Orth. mm2
28.3.17ChekhovichiteBi2Te4+4O11Mon. 2/m
28.3.18Cliffordite(UO2)Te4+3O7Iso. m3 (2/m 3) : Pa3
28.3.19Schmitterite(UO2)(TeO3)Orth.
28.3.20MoctezumitePb(UO2)(TeO3)2Mon.
28.3.21EmmonsiteFe3+2(TeO3)3 · 2H2OTric. 1 : P1
28.3.22BlakeiteFe3+2[TeO3]3 (?)
28.3.23MackayiteFe3+(Te4+2O5)(OH)Tet. 4/mmm (4/m 2/m 2/m) : I41/acd
28.3.24PoughiteFe3+2(TeO3)2(SO4)(H2O)2 · H2OOrth.
28.3.25SonoraiteFe3+(TeO3)(OH) · H2OMon.
28.3.26RodalquilariteFe2(TeO2OH)3(TeO3)ClTric. 1 : P1
28.3.27EztlitePb2+2Fe3+3(Te4+ O3)3(SO4)O2ClMon.
28.3.28KeystoneiteMg0.5Ni2+Fe3+(Te4+O3)3 · 4.5H2OHex.

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 WinstanleyiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Williams, S.A. (1979): Girdite, oboyerite, fairbankite, and winstanleyite, four new tellurium minerals from Tombstone, AZ. Mineralogical Magazine, 43, 453-457.
American Mineralogist (1980): 65: 809.
Canadian Mineralogist (2000): 38: 1261-1268.
Acta Crystallographica: B27: 602-608.
Bindi, L. and Cipriani, C. (2004): The crystal structure of winstanleyite, TiTe3O8, from the Grand Central mine, Tombstone, Arizona. Canadian Mineralogist, 41, 1469-1473.

Internet Links for WinstanleyiteHide

Localities for WinstanleyiteHide

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.
Chile
 
  • Coquimbo Region
    • Elqui Province
      • El Indio deposit
M.Dini collectioni - analysed with EDX, PDf & microprobe (by dr. Jochen Schluter)
http://www.lrz-muenchen.de/~mineralogische-sammlungen-dmg/analysen/winstanleyit.htm
USA (TL)
 
  • Arizona
    • Cochise Co.
      • Tombstone Hills
        • Tombstone District
          • Contention-Grand Central Mine group
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 421; Williams, S.A. (1979), Girdite, oboyerite, fairbankite, and winstanleyite, four new tellurium minerals from Tombstone, AZ, Mineralogical Magazine: 43: 453-457.
Mineral and/or Locality  
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