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Xanthoxenite

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Formula:
Ca4Fe3+2(PO4)4(OH)2 · 3H2O
Colour:
Pale yellow, brownish-yellow; pale yellow to pale lemon-yellow in transmitted light.
Lustre:
Waxy, Dull
Hardness:
Specific Gravity:
2.97
Crystal System:
Triclinic
Name:
From Greek "xanthos", yellow, plus "oxenite", alluding to its resemblance to cacoxenite.
Whiteite Group.

A secondary mineral resulting from the alteration of triphylite in complex, zoned, granitic pegmatites.


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Classification of XanthoxeniteHide

Approved, 'Grandfathered' (first described prior to 1959)
8.DH.40

8 : PHOSPHATES, ARSENATES, VANADATES
D : Phosphates, etc. with additional anions, with H2O
H : With large and medium-sized cations, (OH, etc.):RO4 < 1:1
42.11.15.1

42 : HYDRATED PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
11 : (AB)3(XO4)2Zq·xH2O
19.14.15

19 : Phosphates
14 : Phosphates of Fe and other metals

Physical Properties of XanthoxeniteHide

Waxy, Dull
Transparency:
Translucent
Colour:
Pale yellow, brownish-yellow; pale yellow to pale lemon-yellow in transmitted light.
Hardness:
2½ on Mohs scale
Cleavage:
Perfect
On {010}, perfect.
Density:
2.97 g/cm3 (Measured)    3.38 g/cm3 (Calculated)

Optical Data of XanthoxeniteHide

Type:
Biaxial (-)
RI values:
nα = 1.704 nβ = 1.715 nγ = 1.724
2V:
Measured: 80° to 90°, Calculated: 82°
Max Birefringence:
δ = 0.020
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
High
Dispersion:
r > v weak
Pleochroism:
Weak
Comments:
In thick grains in shades of yellow.

Chemical Properties of XanthoxeniteHide

Formula:
Ca4Fe3+2(PO4)4(OH)2 · 3H2O

Crystallography of XanthoxeniteHide

Crystal System:
Triclinic
Class (H-M):
1 - Pinacoidal
Space Group:
P1
Cell Parameters:
a = 6.7 Å, b = 8.85 Å, c = 6.54 Å
α = 92.1°, β = 110.1°, γ = 93.2°
Ratio:
a:b:c = 0.757 : 1 : 0.739
Unit Cell V:
362.96 ų (Calculated from Unit Cell)
Z:
1
Comment:
Point group may be 1.

X-Ray Powder DiffractionHide

Image Loading

Radiation - Copper Kα
Data Set:
Data courtesy of RRUFF project at University of Arizona, used with permission.
Powder Diffraction Data:
d-spacingIntensity
6.24 (5)
4.94 (4)
3.48 (7)
3.22 (8)
3.05 (10)
2.73 (9)
2.23 (6)

Type Occurrence of XanthoxeniteHide

Synonyms of XanthoxeniteHide

Other Language Names for XanthoxeniteHide

Common AssociatesHide

AmblygoniteLiAl(PO4)F
Apatite"Apatite" is a field term for unidentified calcium phosphate members of the apatite group.
Childrenite-Eosphorite Series
LaueiteMn2+Fe3+2(PO4)2(OH)2 · 8H2O
MitridatiteCa2Fe3+3(PO4)3O2 · 3H2O
SideriteFeCO3
StewartiteMn2+Fe3+2(PO4)2(OH)2 · 8H2O
StrunziteMn2+Fe3+2(PO4)2(OH)2 · 6H2O
TriphyliteLiFe2+PO4
WhitlockiteCa9Mg(PO4)6(HPO4)
Associated Minerals Based on Photo Data:
Laueite3 photos of Xanthoxenite associated with Laueite on mindat.org.
Foitite2 photos of Xanthoxenite associated with Foitite on mindat.org.
Natrodufrénite2 photos of Xanthoxenite associated with Natrodufrénite on mindat.org.
Leucophosphite2 photos of Xanthoxenite associated with Leucophosphite on mindat.org.
Goethite1 photo of Xanthoxenite associated with Goethite on mindat.org.
Ushkovite1 photo of Xanthoxenite associated with Ushkovite on mindat.org.
Apatite1 photo of Xanthoxenite associated with Apatite on mindat.org.
Cacoxenite1 photo of Xanthoxenite associated with Cacoxenite on mindat.org.
Beraunite1 photo of Xanthoxenite associated with Beraunite on mindat.org.
Strengite1 photo of Xanthoxenite associated with Strengite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

8.DH.05MinyuliteKAl2(PO4)2(OH,F) · 4H2OOrth. mm2 : Pba2
8.DH.10LeucophosphiteKFe3+2(PO4)2(OH) · 2H2OMon. 2/m : P21/b
8.DH.10Spheniscidite(NH4,K)(Fe3+,Al)2(PO4)2(OH) · 2H2OMon.
8.DH.10TinsleyiteKAl2(PO4)2(OH) · 2H2OMon.
8.DH.15Jahnsite-(CaMnFe){Ca}{Mn2+}{Fe2+2}{Fe3+2}(PO4)4(OH)2 · 8H2OMon. 2/m : P2/b
8.DH.15Jahnsite-(CaMnMg){Ca}{Mn2+}{(Mg,Fe2+)2}{Fe3+2}(PO4)4(OH)2 · 8H2OMon. 2/m : P2/b
8.DH.15Jahnsite-(CaMnMn){Ca}{Mn2+}{Mn2+2}{Fe3+2}(PO4)4(OH)2 · 8H2OMon. 2/m : P2/b
8.DH.15KeckiteCaMn2+Fe3+2Fe3+2(PO4)4(OH)3(H2O)7Mon. 2/m : P2/b
8.DH.15Rittmannite{(Mn2+,Ca)}{Mn2+}{(Fe2+,Mn2+,Mg)2}{(Al,Fe3+)2}(PO4)4(OH)2 · 8H2OMon.
8.DH.15Whiteite-(CaFeMg){Ca}{(Fe2+,Mn2+)}{Mg2}{Al2}(PO4)4(OH)2 · 8H2OMon. 2/m : P21/b
8.DH.15Whiteite-(CaMnMg){Ca}{Mn2+}{Mg2}{Al2}(PO4)4(OH)2 · 8H2OMon. 2/m
8.DH.15Whiteite-(MnFeMg){(Mn2+,Ca)}{(Fe2+,Mn2+)}{Mg2}{Al2}(PO4)4(OH)2 · 8H2OMon. 2/m : P21/b
8.DH.15Jahnsite-(MnMnMn){Mn2+}{Mn2+}{Mn2+2}{Fe3+2}(PO4)4(OH)2 · 8H2OMon.
8.DH.15Kaluginite(Mn2+,Ca)MgFe3+(PO4)2(OH) · 4H2OOrth.
8.DH.15Jahnsite-(CaFeFe){Ca}{Fe2+}{Fe2+2}{Fe3+2}(PO4)4(OH)2 · 8H2OMon.
8.DH.15Jahnsite-(NaFeMg)NaFe3+Mg2Fe3+2(PO4)4(OH)2 · 8H2OMon. 2/m : P2/b
8.DH.15Jahnsite-(NaMnMg){Na}{Mn3+}{Mg2}{Fe3+2}(PO4)4(OH)2 · 8H2OMon. 2/m : P2/b
8.DH.15Jahnsite-(CaMgMg){Ca}{Mg}{Mg2}{Fe3+2}(PO4)4(OH)2 · 8H2O
8.DH.20Manganosegelerite(Mn2+,Ca)(Mn2+,Fe2+,Mg)Fe3+(PO4)2(OH) · 4H2OOrth. mmm (2/m 2/m 2/m) : Pbca
8.DH.20OveriteCaMgAl(PO4)2(OH) · 4H2OOrth. mmm (2/m 2/m 2/m) : Pbca
8.DH.20SegeleriteCa2 Mg2 Fe3+2(PO4)4(OH)2 · 8H2OOrth. mmm (2/m 2/m 2/m) : Pcca
8.DH.20WilhelmvierlingiteCaMnFe3+(PO4)2(OH) · 2H2OOrth.
8.DH.20JuonniiteCaMgSc(PO4)2(OH) · 4H2OOrth.
8.DH.25CalcioferriteCa2Fe3+2(PO4)3(OH) · 7H2OMon. 2/m : B2/b
8.DH.25KingsmountiteCa4(Fe2+,Mn2+)Al4(PO4)6(OH)4 · 12H2OMon. 2 : B2
8.DH.25MontgomeryiteCa4MgAl4(PO4)6(OH)4 · 12H2OMon. 2 : B2
8.DH.25ZodaciteCa4Mn2+Fe3+4(PO4)6(OH)4 · 12H2OMon.
8.DH.30ArseniosideriteCa2Fe3+3(AsO4)3O2 · 3H2OMon. 2/m : B2/b
8.DH.30KolfaniteCa2Fe3+3O2(AsO4)3 · 2H2OMon.
8.DH.30MitridatiteCa2Fe3+3(PO4)3O2 · 3H2OMon. 2/m : B2/b
8.DH.30PararobertsiteCa2Mn3+3(PO4)3O2 · 3H2OMon. 2/m : P21/b
8.DH.30RobertsiteCa2Mn3+3(PO4)3O2 · 3H2OMon. m : Bb
8.DH.30Sailaufite(Ca,Na,☐)2Mn3+3(AsO4)2(CO3)O2 · 3H2OMon.
8.DH.35MantienneiteKMg2Al2Ti(PO4)4(OH)3 · 15H2OOrth.
8.DH.35PaulkerriteK(Mg,Mn2+)2(Fe3+,Al,Ti,Mg)2Ti(PO4)4(OH)3 · 15H2OOrth. mmm (2/m 2/m 2/m) : Pbca
8.DH.35Benyacarite(H2O,K)2(Mn2+,Fe2+)2(Fe3+,Ti)2Ti(PO4)4(O,F)2 · 14H2OOrth. mmm (2/m 2/m 2/m) : Pbca
8.DH.45MahnertiteNaCu3(AsO4)2Cl · 5H2OTet. 4/mmm (4/m 2/m 2/m) : I4/mmm
8.DH.50AndyrobertsiteKCdCu5(AsO4)4(H2AsO4) · 2H2OMon.
8.DH.50CalcioandyrobertsiteKCaCu5(AsO4)4(H2AsO4) · 2H2OMon. 2/m : P21/m
8.DH.55EnglishiteK3Na2Ca10Al15(PO4)21(OH)7 · 26H2OMon. 2/m
8.DH.60BouazzeriteBi6(Mg,Co)11Fe3+14(AsO4)18(OH)4O12 · 86H2OMon. 2/m

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

19.14.1CyriloviteNaFe3+3(PO4)2(OH)4 · 2H2OTet. 4 2 2 : P41 21 2
19.14.2KidwelliteNaFe3+9+x(PO4)6(OH)11 · 3H2O, x = 0.33Mon. 2/m : P2/b
19.14.3Rosemaryite(Na,Ca,Mn)(Mn,Fe2+)(Fe3+,Mg)Al(PO4)3Mon. 2/m : P21/b
19.14.4Wyllieite(Na,Ca,Mn)(Mn,Fe)(Fe,Mg)Al(PO4)3Mon. 2/m
19.14.5Ferrowyllieite(Na,Ca,Mn)(Fe,Mn)(Fe,Fe,Mg)Al(PO4)3Mon. 2/m : P21/b
19.14.6NatrodufréniteNaFe2+Fe3+5(PO4)4(OH)6 · 2H2OMon.
19.14.7LeucophosphiteKFe3+2(PO4)2(OH) · 2H2OMon. 2/m : P21/b
19.14.8Spheniscidite(NH4,K)(Fe3+,Al)2(PO4)2(OH) · 2H2OMon.
19.14.9BurangaiteNaFe2+Al5(PO4)4(OH)6 · 2H2OMon. 2/m : B2/b
19.14.10Satterlyite(Fe2+,Mg,Fe)12(PO4)5(PO3OH)(OH,O)6Trig. 3m (3 2/m) : P3 1m
19.14.11UshkoviteMgFe3+2(PO4)2(OH)2 · 8H2OTric.
19.14.12Garyansellite(Mg,Fe)3(PO4)2(OH,O) · 1.5H2OOrth. mmm (2/m 2/m 2/m)
19.14.13ThadeuiteCa(Mg,Fe2+)3(PO4)2(OH,F)2Orth. 2 2 2 : C2 2 21
19.14.14AnapaiteCa2Fe2+(PO4)2 · 4H2OTric. 1 : P1
19.14.16CalcioferriteCa2Fe3+2(PO4)3(OH) · 7H2OMon. 2/m : B2/b
19.14.17MitridatiteCa2Fe3+3(PO4)3O2 · 3H2OMon. 2/m : B2/b
19.14.18MélonjosephiteCaFe2+Fe3+(PO4)2(OH)
19.14.19DelvauxiteCaFe4(PO4,SO4)2(OH)8 · 4-6H2O not confirmed · Amor.
19.14.20CollinsiteCa2(Mg,Fe2+)(PO4)2 · 2H2OTric. 1 : P1
19.14.21SegeleriteCa2 Mg2 Fe3+2(PO4)4(OH)2 · 8H2OOrth. mmm (2/m 2/m 2/m) : Pcca
19.14.22KingsmountiteCa4(Fe2+,Mn2+)Al4(PO4)6(OH)4 · 12H2OMon. 2 : B2
19.14.23VauxiteFe2+Al2(PO4)2(OH)2 · 6H2OTric. 1 : P1
19.14.24MetavauxiteFe2+Al2(PO4)2(OH)2 · 8H2OMon. 2/m : P21/b
19.14.25ParavauxiteFe2+Al2(PO4)2(OH)2 · 8H2OTric. 1 : P1
19.14.26SigloiteFe3+Al2(PO4)2(OH)3 · 7H2OTric.
19.14.27CacoxeniteFe3+24Al(PO4)17O6(OH)12 · 17H2OHex. 6/m : P63/m
19.14.28KoninckiteFe3+PO4 · 3H2OTet.
19.14.29Lazulite(Mg,Fe2+)Al2(PO4)2(OH)2Mon. 2/m : P21/b
19.14.30ScorzaliteFe2+Al2(PO4)2(OH)2Mon. 2/m : P21/b
19.14.31Souzalite(Mg,Fe2+)3(Al,Fe3+)4(PO4)4(OH)6 · 2H2OTric.
19.14.32Gormanite(Fe2+,Mg)3(Al,Fe3+)4(PO4)4(OH)6 · 2H2OTric.
19.14.33ZaïriteBiFe3+3(PO4)2(OH)6Trig. 3m (3 2/m) : R3m

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 XanthoxeniteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Laubmann, H. and Steinmetz, H. (1920): Phosphatführende Pegmatite des Oberpfälzer und Bayerischen Waldes. Zeitschrift für Kristallographie, Mineralogie und Petrographie, 55: 523-583 (p. 579). (may have described material that equated to stewartite, type material destroyed).
Mineralogical Magazine, (1949): 34, 692.
Frondel, C. (1949) Wolfeite, xanthoxenite, and whitlockite from the Palermo mine, New Hampshire. American Mineralogist: 34: 692–705.
Staněk, J. (1970): Kakoxen und Xanthoxen von Dolní Bory. Acta Musei Moraviae, Sci. nat., 55, 5-12. (in German)
Moore, P.B. & Ito, J. (1978): I. Whiteite, a new species, and a proposed nomenclature for the jahnsite-whiteite complex series. II. New data on xanthoxenite. III. Salmonsite discredited. Mineralogical Magazine: 42: 309-323.
American Mineralogist (1979): 466.

Internet Links for XanthoxeniteHide

Localities for XanthoxeniteHide

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
 
  • South Australia
    • Mt Lofty Ranges
      • North Mt Lofty Ranges
        • Kapunda
V. Peisley & P. Elliott in prep
    • Olary Province
      • Boolcoomatta Reserve (Boolcoomata Station; Boolcoomatta)
Brazil
 
  • Minas Gerais
    • Galiléia
      • Sapucaia do Norte
Baijot, M., Hatert, F. & Philippo, S. (2012): Mineralogy and geochemistry of phosphates and silicates in the Sapucaia pegmatite, Minas Gerais, Brazil: Genetic implications. Canadian Mineralogist. 50, 1531-1554
[MinRec 19:335]
Canada
 
  • Yukon
    • Dawson Mining District
Reiner Mielke 2017
Czech Republic
 
  • Bohemia (Böhmen; Boehmen)
    • Central Bohemia Region
      • Kutná Hora (Kuttenberg)
Povondra, P., Pivec, E. (eds.) et al.: Přibyslavice peraluminuous granite. Acta universitatis carolinae, Geologica, 1987, no. 3, s . 183 – 283.
France
 
  • Occitanie
    • Pyrénées-Orientales
Berbain,C., Riley, T., Favreau, G., (2012): Phosphates des pegmatites du massif des Albères (Pyrénées-Orientales). Le Cahier des Micromonteurs. 117, 121-172
        • Argelès-sur-Mer
BERBAIN. C, IOB. S, ROATTINO. T, RILEY. T, (2016). Phosphates des pegmatites du massif des Albères 2ème partie : zones minéralisées. Ed Association française de Microminéralogie,
        • Collioure (Cotlliure)
BERBAIN. C, RILEY. T, FAVREAU. G, (2012) Phosphates des pegmatites du massif des Albères. Ed Association Française de Microminéralogie
Germany (TL)
 
  • Bavaria
    • Lower Bavaria
      • Zwiesel
        • Rabenstein
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: 977.
    • Upper Palatinate
      • Pleystein
Dill, H.G., Weber, B. (2009), Pleystein-City on Pegmatite, 4th International Symposium on Granitic Pegmatites, Recife, Brazil.
      • Waidhaus
        • Hagendorf
Weiss: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990
http://www.berthold-weber.de/h_miner.htm
Italy
 
  • Lombardy
    • Lecco Province
      • Colico
        • Piona Peninsula
Gramaccioli C.M. (1975) - Minerali alpini e prealpini. Vpl. I, pagg. 214-215. Ist. Ital. Ed. Atlas, Bergamo
Portugal
 
  • Viseu District
    • Sátão
      • Ferreira de Aves
        • Aldeia Nova
Spain
 
  • Castile and Leon
    • Zamora
      • Villar del Buey
        • Pinilla de Fermoselle
UK
 
  • Wales
    • Denbighshire
      • Glyn Ceiriog
[MinRec 20:395]
USA
 
  • Connecticut
    • Fairfield Co.
      • Redding (Reading)
        • Branchville
Januzzi, 1976. Mineral Localities of CT and Southeastern NY State, p.275; Januzzi (1994) Mineral Data Book
    • Middlesex Co.
      • East Hampton (Chatham)
Schooner, R. (1958). The Mineralogy of the Portland- East Hampton-Middletown-Haddam Area in Connecticut (East Hampton CT: priv. pub.) p. 32
        • Cobalt
Schooner (1958)
  • Maine
    • Oxford Co.
      • Newry
King, V. and Foord, E., 1994, Mineralogy of Maine, V. 1; King, V. (ed.), 2000, Mineralogy of Maine, V. 2, with updates by Van King
King, V. and Foord, E., 1994, Mineralogy of Maine, V. 1; King, V. (ed), 2000, Mineralogy of Maine, V. 2.
Van King
      • Paris
SEM-EDS
      • Peru
No reference listed
      • Rumford
Tim Blake and Scott Soucey specimens
  • New Hampshire
    • Cheshire Co.
      • Alstead
Rocks & Minerals (2005) 80:242-261 New Hampshire Mineral Locality Index
    • Grafton Co.
      • Groton
Rocks & Minerals: 80: 252.
American Mineralogist (1949): 34: 692-705; 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: 686, 977; American Mineralogist (1979): 64: 466.; Am. Min. 50 (1965), 713-717
  • North Carolina
    • Cleveland Co.
      • Kings Mountain District
Wilson,W.F and McKenzie,B.J.,(1980)Mineral Collecting Sites in North Carolina; Carolina Geological Society Field Trip Guidebook 1981, 39-48 ;Smithsonian Institution Mineral Reference Collection No.134291-00
  • South Dakota
    • Custer Co.
      • Custer District
        • Custer
Seaman, 1976. Pegmatite Minerals of the World
        • Fourmile
Mineralogical Record: 17: 237-254; Rocks & Minerals: 60: 117.
        • Pringle
          • Cicero Peak
Rocks & Minerals: 75(3): 156-169.
    • Pennington Co.
      • Keystone District
R&M 75:3 pp 156-169
        • Keystone
Rocks & Minerals: 67(6): 380-388.
Mineral and/or Locality  
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