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Jeppeite

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08950740014947678265865.jpg
Jeppeite

Walgidee Hills, Noonkanbah Station, Derby-West Kimberley Shire, Western Australia, Australia
05492890014947678293718.jpg
Jeppeite

Walgidee Hills, Noonkanbah Station, Derby-West Kimberley Shire, Western Australia, Australia
06283760014947678328349.jpg
Jeppeite

Walgidee Hills, Noonkanbah Station, Derby-West Kimberley Shire, Western Australia, Australia
04935520014956609099176.jpg
Jeppeite

Walgidee Hills, Noonkanbah Station, Derby-West Kimberley Shire, Western Australia, Australia
05492890014947678293718.jpg
Jeppeite

Walgidee Hills, Noonkanbah Station, Derby-West Kimberley Shire, Western Australia, Australia
06283760014947678328349.jpg
Jeppeite

Walgidee Hills, Noonkanbah Station, Derby-West Kimberley Shire, Western Australia, Australia
07125700014947678296566.jpg
Jeppeite

Walgidee Hills, Noonkanbah Station, Derby-West Kimberley Shire, Western Australia, Australia
05492890014947678293718.jpg
Jeppeite

Walgidee Hills, Noonkanbah Station, Derby-West Kimberley Shire, Western Australia, Australia
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About JeppeiteHide

Formula:
(K,Ba)2(Ti,Fe)6O13
Hardness:
5 - 6
Crystal System:
Monoclinic
Name:
Named in 1984 by M.W. Pryce, L.C. Hodge and A.J. Criddle in honor of John Frederik Biccard Jeppe (1920 - ) geologist of Nedlands, Western Australia, who first discovered the mineral.
Isostructural with:
Nixonite
The K analogue of nixonite.


Classification of JeppeiteHide

IMA status:
Approved
Strunz 8th ed.:
4/D.07-10
Nickel-Strunz 10th (pending) ed.:
4.CC.50

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
Dana 8th ed.:
8.7.9.1

8 : MULTIPLE OXIDES CONTAINING NIOBIUM,TANTALUM OR TITANIUM
7 : Miscellaneous
Hey's CIM Ref.:
7.9.28

7 : Oxides and Hydroxides
9 : Oxides of Ti

Physical Properties of JeppeiteHide

Hardness:
5 - 6 on Mohs scale

Optical Data of JeppeiteHide

Type:
Biaxial
RI values:
nα = 2.130 nβ = 2.210 nγ = 2.350
Max Birefringence:
δ = 0.220
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Very High
Dispersion:
strong

Chemical Properties of JeppeiteHide

Formula:
(K,Ba)2(Ti,Fe)6O13
IMA Formula:
(K,Ba)2(Ti,Fe3+)6O13
Elements listed:
Ba, Fe, K, O, Ti - search for minerals with similar chemistry

Crystallography of JeppeiteHide

Crystal System:
Monoclinic
Cell Parameters:
a = 15.45 Å, b = 3.83 Å, c = 9.12 Å
β = 99.25°
Ratio:
a:b:c = 4.034 : 1 : 2.381
Unit Cell V:
532.64 ų (Calculated from Unit Cell)

Type Occurrence of JeppeiteHide

Synonyms of JeppeiteHide

Other Language Names for JeppeiteHide

German:Jeppeit
Spanish:Jeppeita

Related Minerals - Nickel-Strunz GroupingHide

4.CC.AllendeiteSc4Zr3O12Trig. 3 : R3
4.CC.Yttriaite-(Y)Y2O3Iso.
4.CC.Anzaite-(Ce)Ce3+ 4Fe2+Ti6O18 (OH)2Mon. 2/m : B2/m
4.CC.05ChrombismiteBi16CrO27Tet.
4.CC.10FreudenbergiteNa2(Ti,Fe)8O16Mon.
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.30NatroniobiteNaNbO3Mon.
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.35Loparite-(Ce)(Na,REE)Ti2O6
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-(La)(La,Ce)(Y,U,Fe)(Ti,Fe)20(O,OH)38Trig.
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.40Lindsleyite(Ba,Sr)(Zr,Ca)(Fe,Mg)2(Ti,Cr,Fe)18O38Trig.
4.CC.40Loveringite(Ca,Ce,La)(Zr,Fe)(Mg,Fe)2(Ti,Fe,Cr,Al)18O38Trig.
4.CC.40Mathiasite(K, Ba, Sr)(Zr, Fe)(Mg,Fe)2 (Ti,Cr,Fe)18O38Trig.
4.CC.40SenaitePb(Mn,Y,U)(Fe,Zn)2(Ti,Fe,Cr,V)18(O,OH)38Trig.
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.45DiaoyudaoiteNaAl11O17Hex.
4.CC.45HawthorneiteBaMgTi3Cr4Fe2+2Fe3+2O19Hex. 6/mmm (6/m 2/m 2/m) : P63/mmc
4.CC.45HiboniteCaAl12O19Hex.
4.CC.45LindqvistitePb2Mn2+Fe16O27Hex.
4.CC.45Magnetoplumbite(Pb,Mn)(Fe,Mn)12O19Hex. 6/mmm (6/m 2/m 2/m) : P63/mmc
4.CC.45PlumboferritePb2(Fe3+,Mn2+,Mg)11O19Trig. 3 2 : P3 1 2
4.CC.45YimengiteK(Cr,Ti,Fe,Mg)12O19Hex.
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.45BatiferriteBaTi2Fe3+8Fe2+2O19Hex.
4.CC.45Hibonite-(Fe)FeAl12O19Hex. 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.55ZenzénitePb3Fe4Mn3O15Hex.
4.CC.60Mengxianminite (of Huang et al.)(Ca,Na)3(Fe,Mn)2Mg2(Sn,Zn)5Al8O29

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

7.9.1HongquiiteTiO
7.9.2RutileTiO2Tet. 4/mmm (4/m 2/m 2/m) : P42/mnm
7.9.3AnataseTiO2Tet. 4/mmm (4/m 2/m 2/m) : I41/amd
7.9.4BrookiteTiO2Orth. mmm (2/m 2/m 2/m)
7.9.5GeikieliteMgTiO3Trig. 3 : R3
7.9.6PerovskiteCaTiO3Orth. mmm (2/m 2/m 2/m) : Pnma
7.9.7KassiteCaTi2O4(OH)2Orth.
7.9.8TausoniteSrTiO3Iso. 4 3m
7.9.9CrichtoniteSr(Mn,Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH)38Trig. 3 : R3
7.9.10Lucasite-(Ce)CeTi2(O,OH)6Mon.
7.9.11HiboniteCaAl12O19Hex.
7.9.12Yttrocrasite-(Y)(Y,Th,Ca,U)(Ti,Fe)2(O,OH)6Amor.
7.9.13PyrophaniteMn2+TiO3Trig. 3 : R3
7.9.14Jacobsite-QT(Mn2+)M(Fe3+2)O4Tet. 4/mmm (4/m 2/m 2/m) : I41/amd
7.9.15IlmeniteFe2+TiO3Trig. 3 : R3
7.9.16PseudobrookiteFe2TiO5Orth. mmm (2/m 2/m 2/m)
7.9.17UlvöspinelTiFe2O4Iso. m3m (4/m 3 2/m) : Fd3m
7.9.18PseudorutileFe2Ti3O9Hex.
7.9.19FreudenbergiteNa2(Ti,Fe)8O16Mon.
7.9.20KennedyiteFe2TiO5
7.9.21Armalcolite(Mg,Fe2+)Ti2O5Orth. mmm (2/m 2/m 2/m)
7.9.22Högbomite(Mg,Fe)2(Al,Ti)5O10Hex.
7.9.23Qandilite(Mg,Fe3+)2(Ti,Fe3+,Al)O4
7.9.24CafetiteCaTi2O5 · H2OMon. 2/m : P21/b
7.9.25Loveringite(Ca,Ce,La)(Zr,Fe)(Mg,Fe)2(Ti,Fe,Cr,Al)18O38Trig.
7.9.26Lindsleyite(Ba,Sr)(Zr,Ca)(Fe,Mg)2(Ti,Cr,Fe)18O38Trig.
7.9.27PrideriteK(Ti4+7Fe3+)O16Tet.
7.9.29AnkangiteBa(Ti,V3+,Cr)8O16Tet. 4/m : I4/m
7.9.30Ecandrewsite(Zn,Fe2+,Mn2+)TiO3Trig. 3 : R3
7.9.31LandauiteNaMnZn2(Ti,Fe)6Ti12O38Trig. 3 : R3

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 JeppeiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Cid-Dresdner, H., Buerger, M.J. (1962) The crystal structure of potassium hexatitanate K2Ti6O13. Zeitschrift für Kristallographie: 117: 411-430.
Bagshaw, A.N., Doran, B.H., White, A.H., Willis, A.C. (1977) Crystal structure of a natural potassium-barium hexatitanate isostructural with K2Ti6O13. Australian Journal of Chemistry: 30: 1195-1200.
Pryce, M.W., Hodge, L.C., Criddle, A.J. (1984) Jeppeite, a new K-Ba-Fe titanate from Walgidee Hills, Western Australia. Mineralogical Magazine: 48: 263-266.
Dunn, P.J., Fleischer, M., Langley, R.H., Shigley, J.E., Zilczer, J.A. (1985) New mineral names. American Mineralogist: 70: 871-881.
Birch, W.D. (1985) A note on large crystals of priderite, jeppeite, wadeite and other minerals from Walgidee [Wolgidee]
Hills, Western Australia. Australian Mineralogist: 50: 298–302.

Internet Links for JeppeiteHide

Localities for JeppeiteHide

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.
Australia (TL)
 
  • Western Australia
    • Derby-West Kimberley Shire
      • Noonkanbah Station
Pryce, M.W, Hodge, L.C., Criddle, A.J. (1984) Jeppeite, a new K-Ba-Fe titanite from Walgidee Hills, Western Australia. Mineralogical Magazine, 48: 263-266. ; Jaques, A. L. (2017) The Walgidee Hills zoned lamproite intrusion, West Kimberley Province, Western Australia. 11th International Kimberlite Conference Extended Abstract No. 11IKC-4489; Dept of Mines WA (1990), Geology and Mineral Resources of WA, GSWA, State Government of WA, 1990
    • Wyndham-East Kimberley Shire
      • Lake Argyle area
[MinRec 21:561]
Ivory Coast
 
  • Woroba
    • Worodougou
      • Séguéla department
        • Toubabouko
Pouclet A. et al. (2004) C.R.Geoscience 336, 9-17
USA
 
  • Arkansas
    • Pike Co.
      • Murfreesboro
AmMin 85:420–429 (2000); Am. Mineral. 83:1323-1329 (1998)
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