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Strontiopyrochlore (of Hogarth 1977)

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Formula:
A2Nb2(O,OH)6Z
Colour:
Light yellow, white, light blue
Hardness:
4
Name:
Named as the strontium analogue of pyrochlore.
The analyzed "strontiopyrochlore" in the litterature may be fluorstrontiopyrochlore, fluorkenopyrochlore, or a Ca- or zero-valent dominant pyrochlore.


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Classification of Strontiopyrochlore (of Hogarth 1977)Hide

Notes:
Rejected by the IMA
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
8.2.1.8

8 : MULTIPLE OXIDES CONTAINING NIOBIUM,TANTALUM OR TITANIUM
2 : A2B2O6(O,OH,F)
18.2.10

18 : Niobates and Tantalates
2 : Niobates and tantalates containing rare earths but not U

Physical Properties of Strontiopyrochlore (of Hogarth 1977)Hide

Colour:
Light yellow, white, light blue
Hardness:

Chemical Properties of Strontiopyrochlore (of Hogarth 1977)Hide

Formula:
A2Nb2(O,OH)6Z
Common Impurities:
Ce,Ca,Fe

First Recorded Occurrence of Strontiopyrochlore (of Hogarth 1977)Hide

Other Language Names for Strontiopyrochlore (of Hogarth 1977)Hide

Simplified Chinese:锶烧绿石

Common AssociatesHide

Associated Minerals Based on Photo Data:
Albite8 photos of Strontiopyrochlore (of Hogarth 1977) associated with Albite on mindat.org.
Aegirine4 photos of Strontiopyrochlore (of Hogarth 1977) associated with Aegirine on mindat.org.
Zircon3 photos of Strontiopyrochlore (of Hogarth 1977) associated with Zircon on mindat.org.
Fluorkenopyrochlore1 photo of Strontiopyrochlore (of Hogarth 1977) associated with Fluorkenopyrochlore on mindat.org.
Ceriopyrochlore (of Hogarth 1977)1 photo of Strontiopyrochlore (of Hogarth 1977) associated with Ceriopyrochlore (of Hogarth 1977) on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

4.DH.05Brannerite(U4+,REE,Th,Ca)(Ti,Fe3+,Nb)2(O,OH)6Mon. 2/m : B2/m
4.DH.05OrthobranneriteU4+U6+Ti4O12(OH)2Orth.
4.DH.05Thorutite(Th,U,Ca)Ti2(O,OH)6Mon.
4.DH.10KassiteCaTi2O4(OH)2Orth.
4.DH.10Lucasite-(Ce)CeTi2(O,OH)6Mon.
4.DH.15Bariomicrolite (of Hogarth 1977)Iso. m3m (4/m 3 2/m) : Fd3m
4.DH.15Betafite (of Hogarth 1977)A2-mB2X6-wY1+wIso. m3m (4/m 3 2/m) : Fd3m
4.DH.15Bismutomicrolite (of Hogarth 1977)Iso. m3m (4/m 3 2/m) : Fd3m
4.DH.15Ceriopyrochlore (of Hogarth 1977)A2Nb2(O,OH)6Z
4.DH.15JixianitePb(W,Fe3+)2(O,OH)7Iso. m3m (4/m 3 2/m) : Fd3m
4.DH.15Hydropyrochlore(H2O,□)2Nb2(O,OH)6(H2O)Iso. m3m (4/m 3 2/m) : Fd3m
4.DH.15Plumbopyrochlore (of Skorobogatova et al.)A2Nb2(O,OH)6Z
4.DH.15Plumbomicrolite (of Hogarth 1977)
4.DH.15Plumbobetafite (of Hogarth 1977)A2-mB2X6-wY1-n
4.DH.15Stibiomicrolite (of Groat et al.)
4.DH.15Stannomicrolite (of Hogarth 1977)
4.DH.15Stibiobetafite (of Černý et al.)A2-mB2X6-wY1-nIso.
4.DH.15Uranpyrochlore (of Hogarth 1977)(U,Ca,Ce)2(Nb,Ta)2O6(OH,F)Iso.
4.DH.15Yttropyrochlore (of Hogarth 1977)A2Nb2(O,OH)6Z
4.DH.15Fluornatromicrolite(Na1.5Bi0.5)Ta2O6FIso. m3m (4/m 3 2/m) : Fd3m
4.DH.15Bismutopyrochlore (of Chukanov et al.)A2Nb2(O,OH)6ZAmor.
4.DH.15Hydrokenoelsmoreite2W2O6(H2O)Iso. m3m (4/m 3 2/m) : Fd3m
4.DH.20BismutostibiconiteBi(Sb5+,Fe3+)2O7Iso. m3m (4/m 3 2/m) : Fd3m
4.DH.20BindheimitePb2Sb2O6OIso. m3m (4/m 3 2/m) : Fd3m
4.DH.20MonimoliteIso. m3m (4/m 3 2/m)
4.DH.20CuproroméiteCu2Sb2(O,OH)7Iso.
4.DH.20StetefeldtiteAg2Sb2(O,OH)7Iso.
4.DH.20Stibiconite(Sb,O,OH) ?
4.DH.25RosiaitePbSb5+2O6Trig. 3m (3 2/m) : P3 1m
4.DH.30ZirconoliteCaZrTi2O7Orth.
4.DH.35LiandratiteU(Nb,Ta)2O8Trig.
4.DH.35PetscheckiteUFe(Nb,Ta)2O8Hex.
4.DH.40IngersoniteCa3Mn2+Sb5+4O14Trig. 3 2 : P31 2 1
4.DH.45PittongiteNa0.22(W,Fe3+)(O,OH)3 · 0.44H2OHex. 6 m2 : P6m2

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

8.2.1.1Pyrochlore GroupA2Nb2(O,OH)6Z
8.2.1.2Hydropyrochlore(H2O,□)2Nb2(O,OH)6(H2O)Iso. m3m (4/m 3 2/m) : Fd3m
8.2.1.3Bariopyrochlore (of Hogarth 1977)A2Nb2(O,OH)6ZIso. m3m (4/m 3 2/m) : Fd3m
8.2.1.4Yttropyrochlore (of Hogarth 1977)A2Nb2(O,OH)6Z
8.2.1.5Ceriopyrochlore (of Hogarth 1977)A2Nb2(O,OH)6Z
8.2.1.6Plumbopyrochlore (of Skorobogatova et al.)A2Nb2(O,OH)6Z
8.2.1.7Uranpyrochlore (of Hogarth 1977)(U,Ca,Ce)2(Nb,Ta)2O6(OH,F)Iso.

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

18.2.1Fergusonite-(Y)YNbO4Tet. 4/m : I41/a
18.2.2Fergusonite-(Y)-βYNbO4Mon. 2/m
18.2.3Fergusonite-(Ce)(Ce,La,Nd)NbO4
18.2.4Fergusonite-(Ce)-β(Ce,La,Nd)NbO4
18.2.5Fergusonite-(Nd)(Nd,Ce)(Nb,Ti)O4
18.2.6Fergusonite-(Nd)-β(Nd,Ce)NbO4
18.2.7Formanite-(Y)YTaO4Tet. 4/m : I41/a
18.2.8Pyrochlore GroupA2Nb2(O,OH)6Z
18.2.9Ceriopyrochlore (of Hogarth 1977)A2Nb2(O,OH)6Z
18.2.11Loparite-(Ce)(Na,REE)Ti2O6
18.2.12Fersmite(Ca,Ce,Na)(Nb,Ta,Ti)2(O,OH,F)6Orth. mmm (2/m 2/m 2/m) : Pbcn
18.2.13Aeschynite-(Ce)(Ce,Ca,Fe,Th)(Ti,Nb)2(O,OH)6Orth. mmm (2/m 2/m 2/m) : Pmna
18.2.14Aeschynite-(Nd)(Nd,Ln,Ca)(Ti,Nb)2(O,OH)6Orth. mmm (2/m 2/m 2/m)
18.2.15Aeschynite-(Y)(Y,Ln,Ca,Th)(Ti,Nb)2(O,OH)6Orth. mmm (2/m 2/m 2/m) : Pmna
18.2.16Nioboaeschynite-(Ce)(Ce,Ca)(Nb,Ti)2(O,OH)6Orth.
18.2.17Nioboaeschynite-(Nd)(Nd,Ce,Ca,Th)(Nb,Ti,Fe,Ta)2(O,OH)6Orth.
18.2.18Tantalaeschynite-(Y)Y(Ta,Ti,Nb)2O6Orth. mmm (2/m 2/m 2/m)
18.2.19Vigezzite(Ca,Ce)(Nb,Ta,Ti)2O6Orth.
18.2.20Murataite-(Y)(Y,Na)6Zn(Zn,Fe3+)4(Ti,Nb,Na)12O29(O,F,OH)10F4 Iso. m3m (4/m 3 2/m) : Fm3m

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 Strontiopyrochlore (of Hogarth 1977)Hide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Lapin, A.V., Malyshyshyshev, A.A., Ploshko, V.V., and Cherepivskskaya, G.Y. (1986) Strontiopyrochlore from lateritic crusts of weathering of carbonatites. Doklady Akademii Nauk SSSR: 290: 1212-1217 (in Russian).
American Mineralogist (1988) 73: 930.
Voloshin, A.V., Pakhomovskiy, Y.A., Pushcharovskiy, D.Y., Nadezhina, T.N., Bakhchisaraitsev, A.Y., and Kobyashev, Y.S. (1989) Strontiopyrochlore: composition and structure. Trudy Mineralogicheskogo Muzeya AN SSSR: 36: 12-24 (in Russian).
Lottermoser, B.G. and England, B.M. (1988) Compositional variation in pyrochlores from the Mt. Weld carbonatite laterite, Western Australia. Mineralogy and Petrology: 38: 37-51.
Wall, F., Williams, C.T., Woolley, A.R., and Nasraoui, M. (1996) Pyrochlore from weathered carbonatite at Lueshe, Zaire. Mineralogical Magazine: 60: 731-750.
Chakhmouradian, A.R. and Mitchell, R.H. (2002) New data on pyrochlore- and perovskite-group minerals from the Lovozero alkaline complex, Russia. European Journal of Mineralogy: 14: 821-836.
Seifert, W., Förster, H.-J., Rhede, D., Tietz, O., Ulrych, J. (2012) Mineral inclusions in placer zircon from the Ohře (Eger) Graben: new data on “strontiopyrochlore”. Mineralogy and Petrology: 106: 39-53.
Christy, A.G. and Atencio, D. (2013) Clarification of status of species in the pyrochlore supergroup. Mineralogical Magazine: 77: 13-20.

Internet Links for Strontiopyrochlore (of Hogarth 1977)Hide

Localities for Strontiopyrochlore (of Hogarth 1977)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.
Argentina
 
  • Santiago del Estero
    • Ojo de Agua Department
Franchini, M., Lira, R., Meinert, L., Ríos, F. J., Poklepovic, M. F., Impiccini, A., & Millone, H. A. (2005). Na-Fe-Ca Alteration and LREE (Th-Nb) Mineralization in Marble and Granitoids of Sierra de Sumampa, Santiago del Estero, Argentina. Economic Geology, 100(4), 733-764.
Canada
 
  • British Columbia
    • Omenica Mining Division
      • Williston Lake
Chakhmouradian, A. R., Reguir, E. P., Kressall, R. D., Crozier, J., Pisiak, L. K., Sidhu, R., & Yang, P. (2015). Carbonatite-hosted niobium deposit at Aley, northern British Columbia (Canada): Mineralogy, geochemistry and petrogenesis. Ore Geology Reviews, 64, 642-666.
Mongolia
 
  • Hovd Aimag (Khovd Aimag)
    • Altai Mts
P.M. Kartashov data
Russia
 
  • Eastern-Siberian Region
    • Krasnoyarsk Territory (Krasnoyarsk Kray; Krasnoyarskii Krai)
Re-entry of old data
    • Sakha Republic (Saha Republic; Yakutia)
      • Polar Yakutia
Pavel M. Kartashov data
  • Northern Region
    • Murmanskaya Oblast'
      • Lovozero Massif
        • Karnasurt Mt
New Data on Minerals M., 2004 Vol 39 pp 5-13
        • Vavnbed Mt
Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
USA
 
  • Arkansas
    • Garland Co.
      • Wilson Springs (Potash Sulfur Springs)
        • Union Carbide Mine
R&M 70:3 pp 154-170
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