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Strontiopyrochlore (of Hogarth 1977)

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03936030017271926697837.jpg
Strontiopyrochlore (of Hogarth 1977)

Pegmatite №24, Vavnbed Mountain, Lovozersky District, Murmansk Oblast, Russia
02805410017271926729516.jpg
Strontiopyrochlore (of Hogarth 1977), etc.

Pegmatite №24, Vavnbed Mountain, Lovozersky District, Murmansk Oblast, Russia
02178380017271926758828.jpg
Strontiopyrochlore (of Hogarth 1977), etc.

Pegmatite №24, Vavnbed Mountain, Lovozersky District, Murmansk Oblast, Russia
03936030017271926697837.jpg
Strontiopyrochlore (of Hogarth 1977)

Pegmatite №24, Vavnbed Mountain, Lovozersky District, Murmansk Oblast, Russia
02805410017271926729516.jpg
Strontiopyrochlore (of Hogarth 1977), etc.

Pegmatite №24, Vavnbed Mountain, Lovozersky District, Murmansk Oblast, Russia
02178380017271926758828.jpg
Strontiopyrochlore (of Hogarth 1977), etc.

Pegmatite №24, Vavnbed Mountain, Lovozersky District, Murmansk Oblast, Russia
03936030017271926697837.jpg
Strontiopyrochlore (of Hogarth 1977)

Pegmatite №24, Vavnbed Mountain, Lovozersky District, Murmansk Oblast, Russia
02805410017271926729516.jpg
Strontiopyrochlore (of Hogarth 1977), etc.

Pegmatite №24, Vavnbed Mountain, Lovozersky District, Murmansk Oblast, Russia
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About Strontiopyrochlore (of Hogarth 1977)Hide

Formula:
(Sr,Ce,Ca)0.66(Nb,Fe)2(O,OH)7
Formula as given in Hey's 3rd Edition.
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.


Unique IdentifiersHide

Mindat ID:
3743
Long-form identifier:
mindat:1:1:3743:9

Similar NamesHide

IMA Classification of Strontiopyrochlore (of Hogarth 1977)Hide

IMA status notes:
Rejected by the IMA

Classification of Strontiopyrochlore (of Hogarth 1977)Hide

Strunz-mindat (2026):
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
Dana 8th ed.:
8.2.1.8

8 : MULTIPLE OXIDES CONTAINING NIOBIUM,TANTALUM OR TITANIUM
2 : A2B2O6(O,OH,F)
Hey's CIM Ref.:
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:
4 on Mohs scale

Chemistry of Strontiopyrochlore (of Hogarth 1977)Hide

Mindat Formula:
(Sr,Ce,Ca)0.66(Nb,Fe)2(O,OH)7

Formula as given in Hey's 3rd Edition.
Element Weights:
Element% weight
Nb52.248 %
O31.492 %
Sr16.261 %

Calculated from ideal end-member formula.
Elements listed:
Ca, Ce, Fe, H, Nb, O, Sr - search for minerals with similar chemistry
Common Impurities:
Ce,Ca,Fe

First Recorded Occurrence of Strontiopyrochlore (of Hogarth 1977)Hide

Synonyms of Strontiopyrochlore (of Hogarth 1977)Hide

Other Language Names for Strontiopyrochlore (of Hogarth 1977)Hide

Simplified Chinese:锶烧绿石

Relationship of Strontiopyrochlore (of Hogarth 1977) to other SpeciesHide

Member of:
Pyrochlore Group > Pyrochlore Supergroup
Other Members of Pyrochlore Group:
Cesiokenopyrochlore◻Nb2(O,OH)6(Cs,◻) Iso. m3m(4/m32/m) : Fd3m
Fluorcalciopyrochlore(Ca,Na)2(Nb,Ti)2O6FIso.
'Fluorhydropyrochlore'A possible new species (See discussion in Atencio et al.
'Fluorkenopyrochlore'(◻,Sr,Ce,Ca,Na)2(Nb,Ti)2O6F
Fluornatropyrochlore(Na,Pb,Ca,REE,U)2Nb2O6FIso. m3m(4/m32/m)
'Fluorplumbopyrochlore'(Pb,Y,Th,U,Na,Ca)2-x(Nb,Ti)2O6FIso.
'Fluorstrontiopyrochlore'(Sr,◻)2Nb2(O,OH)6F
Hydrokenopyrochlore(◻,x)2Nb2O6(H2O,Cs)Iso. m3m(4/m32/m) : Fd3m
Hydropyrochlore(H2O,◻)2Nb2(O,OH)6(H2O)Iso. m3m(4/m32/m) : Fd3m
Hydroxycalciopyrochlore(Ca,Na,U,◻)2(Nb,Ti)2O6(OH)Iso. m3m(4/m32/m) : Fd3m
Hydroxykenopyrochlore(◻,Ce,Ba)2(Nb,Ti)2O6(OH,F)Iso. m3m(4/m32/m) : Fd3m
Hydroxymanganopyrochlore(Mn2+,Th,Na,Ca,REE)2(Nb,Ti)2O6(OH) Iso. m3(2/m3)
Hydroxynatropyrochlore(Na,Ca,Ce)2Nb2O6(OH)Iso. m3m(4/m32/m) : Fd3m
Hydroxyplumbopyrochlore (Pb1.5◻0.5)Nb2O6(OH)Iso. m3m(4/m32/m) : Fd3m
'Kenoplumbopyrochlore'(Pb,◻)Nb2O6(◻,O)
OxycalciopyrochloreCa2Nb2O6OIso. m3m(4/m32/m) : Fd3m
'Oxynatropyrochlore'(Na,Ca,U)2Nb2O6(O,OH)
OxyplumbopyrochlorePb2Nb2O6OIso. m3m(4/m32/m) : Fd3m
'Oxyyttropyrochlore-(Y)'(Y,◻)2Nb2O6O
'Unnamed (Sb-analogue of Hydroxymanganopyrochlor)'(Mn,Ca,Y)2(Sb,Ti)2O6(OH)

Common AssociatesHide

Associations Based on Photo Data:
8 photos of Strontiopyrochlore (of Hogarth 1977) associated with AlbiteNa(AlSi3O8)
4 photos of Strontiopyrochlore (of Hogarth 1977) associated with AegirineNaFe3+Si2O6
3 photos of Strontiopyrochlore (of Hogarth 1977) associated with ZirconZr(SiO4)
1 photo of Strontiopyrochlore (of Hogarth 1977) associated with 'Fluorkenopyrochlore'(◻,Sr,Ce,Ca,Na)2(Nb,Ti)2O6F
1 photo of Strontiopyrochlore (of Hogarth 1977) associated with 'Ceriopyrochlore (of Hogarth 1977)'(A,Ce)2Nb2(O,OH)6Z

Related Minerals - Strunz-mindat GroupingHide

4.DH.Cesiokenopyrochlore◻Nb2(O,OH)6(Cs,◻) Iso. m3m(4/m32/m) : Fd3m
4.DH.Roméite GroupA2(Sb5+)2O6Z
4.DH.OxyplumboroméitePb2Sb2O6OIso. m3m(4/m32/m) : Fd3m
4.DH.Fluornatropyrochlore(Na,Pb,Ca,REE,U)2Nb2O6FIso. m3m(4/m32/m)
4.DH.Hydroxykenomicrolite(◻,Na,Sb3+)2Ta2O6(OH,Cs)Iso. m3m(4/m32/m) : Fd3m
4.DH.'Fluornatroroméite'(Na,Ca)2Sb2(O,OH)6F
4.DH.Oxyyttrobetafite-(Y)Y2Ti2O6OIso. m3m(4/m32/m) : Fd3m
4.DH.05Thorutite(Th,U,Ca)Ti2(O,OH)6Mon.
4.DH.05OrthobranneriteU4+U6+Ti4O12(OH)2Orth.
4.DH.05BranneriteUTi2O6Mon. 2/m : B2/m
4.DH.10KassiteCaTi2O4(OH)2Mon. 2/m : P21/b
4.DH.10Lucasite-(La)Mon. 2 : B2
4.DH.10Lucasite-(Ce)CeTi2(O,OH)6Mon.
4.DH.15'Fluorhydropyrochlore'
4.DH.15Hydrokenoelsmoreite◻2W2O6(H2O)Iso. m3m(4/m32/m) : Fd3m
4.DH.15'Hydroxynatromicrolite'(Na,Bi3+,◻)2Ta2O6(OH)Iso. m3m(4/m32/m) : Fd3m
4.DH.15Hydroplumboelsmoreite(Pb,◻)(W,Fe3+)2O6 · H2OIso. m3m(4/m32/m) : Fd3m
4.DH.15Hydropyrochlore(H2O,◻)2Nb2(O,OH)6(H2O)Iso. m3m(4/m32/m) : Fd3m
4.DH.15'Unnamed (Sb-analogue of Hydroxymanganopyrochlor)'(Mn,Ca,Y)2(Sb,Ti)2O6(OH)
4.DH.15Hydroxynatropyrochlore(Na,Ca,Ce)2Nb2O6(OH)Iso. m3m(4/m32/m) : Fd3m
4.DH.15Hydrokenopyrochlore(◻,x)2Nb2O6(H2O,Cs)Iso. m3m(4/m32/m) : Fd3m
4.DH.15Oxybismutomicrolite(Bi1.33◻0.67)Σ2Ta2O6OIso. m3m(4/m32/m) : Fd3m
4.DH.15Kenomicrolite◻2Ta2[O4(OH)2]◻Iso. m3m(4/m32/m) : Fd3m
4.DH.15Fluornatromicrolite(Na1.5Bi0.5)Ta2O6FIso. m3m(4/m32/m) : Fd3m
4.DH.15'Oxynatropyrochlore'(Na,Ca,U)2Nb2O6(O,OH)
4.DH.15Hydroxycalciopyrochlore(Ca,Na,U,◻)2(Nb,Ti)2O6(OH)Iso. m3m(4/m32/m) : Fd3m
4.DH.15Fluorcalciopyrochlore(Ca,Na)2(Nb,Ti)2O6FIso.
4.DH.15OxycalciopyrochloreCa2Nb2O6OIso. m3m(4/m32/m) : Fd3m
4.DH.15'Fluorstrontiopyrochlore'(Sr,◻)2Nb2(O,OH)6F
4.DH.15OxyplumbopyrochlorePb2Nb2O6OIso. m3m(4/m32/m) : Fd3m
4.DH.15'Fluorplumbopyrochlore'(Pb,Y,Th,U,Na,Ca)2-x(Nb,Ti)2O6FIso.
4.DH.15'Bismutomicrolite (of Hogarth 1977)'Iso. m3m(4/m32/m) : Fd3m
4.DH.15'Bismutopyrochlore (of Chukanov et al.)'(Bi,Ca,U,Pb)2-xNb2(O,OH)6(OH)Amor.
4.DH.15'Kenoplumbopyrochlore'(Pb,◻)Nb2O6(◻,O)
4.DH.15Hydroxyplumbopyrochlore (Pb1.5◻0.5)Nb2O6(OH)Iso. m3m(4/m32/m) : Fd3m
4.DH.15'Stibiomicrolite (of Groat et al.)'
4.DH.15'Oxyyttropyrochlore-(Y)'(Y,◻)2Nb2O6O
4.DH.15'Fluorkenopyrochlore'(◻,Sr,Ce,Ca,Na)2(Nb,Ti)2O6F
4.DH.15HydroxycalciomicroliteCa1.5Ta2O6(OH)Iso. 432 : P4232
4.DH.15 va'Alumotungstite'◻2W2O6(H2O)Iso. m3m(4/m32/m) : Fd3m
4.DH.15'Oxycalciobetafite'Ca2(Ti,Nb)2O6O
4.DH.15'Oxyuranobetafite'(U,Ca,◻)2(Ti,Nb)2O6O
4.DH.15Fluorcalciomicrolite(Ca,Na)2(Ta,Nb)2O6FIso. m3m(4/m32/m) : Fd3m
4.DH.15OxycalciomicroliteCa2Ta2O6OIso. m3m(4/m32/m) : Fd3m
4.DH.15OxystannomicroliteSn2Ta2O6OIso. m3m(4/m32/m) : Fd3m
4.DH.15Kenoplumbomicrolite(Pb,◻)2Ta2O6(◻,OH,O)Iso.
4.DH.15Oxynatromicrolite(Na,Ca,U)2(Ta,Nb)2O6(O,F)Iso. m3m(4/m32/m) : Fd3m
4.DH.15Oxystibiomicrolite(Sb3+,Ca)2Ta2O6OIso. m3m(4/m32/m) : Fd3m
4.DH.15'Hydromicrolite'(H2O,◻)2Ta2(O,OH)6(H2O)
4.DH.15'Plumbomicrolite (of Hogarth 1977)'
4.DH.15Hydrokenomicrolite(◻,H2O)2Ta2(O,OH)6(H2O)Iso. m3m(4/m32/m)
4.DH.15Hydroxykenoelsmoreite(◻,Pb)2(W,Fe3+,Al)2(O,OH)6(OH)Trig. 3 : R3
4.DH.15 va'Yttromicrolite (of Hogarth)'(Ca,Y3+,U,Na)2-x(Ta,Nb,Ti,Fe3+)2O7Iso. m3m(4/m32/m) : Fd3m
4.DH.15Hydroxykenopyrochlore(◻,Ce,Ba)2(Nb,Ti)2O6(OH,F)Iso. m3m(4/m32/m) : Fd3m
4.DH.15Hydroxymanganopyrochlore(Mn2+,Th,Na,Ca,REE)2(Nb,Ti)2O6(OH) Iso. m3(2/m3)
4.DH.20'Cuproroméite'Cu2Sb2(O,OH)7Iso.
4.DH.20Hydroxycalcioroméite(Ca,Sb3+)2(Sb5+,Ti)2O6(OH)Iso. m3m(4/m32/m) : Fd3m
4.DH.20BindheimitePb2Sb2O6OIso. m3m(4/m32/m) : Fd3m
4.DH.20Hydroxyferroroméite(Fe2+1.5◻0.5)Sb5+2O6(OH)Iso. m3m(4/m32/m) : Fd3m
4.DH.20Fluorcalcioroméite(Ca,Na,◻)2Sb5+2(O,OH)6FIso. m3m(4/m32/m) : Fd3m
4.DH.20OxycalcioroméiteCa2Sb2O6OIso. m3m(4/m32/m) : Fd3m
4.DH.20StetefeldtiteAg2Sb2(O,OH)7Iso.
4.DH.20StibiconiteSb3+Sb5+2O6(OH) Iso. m3m(4/m32/m)
4.DH.20MonimolitePb2Sb5+2O7Iso. m3m(4/m32/m)
4.DH.25RosiaitePbSb5+2O6Trig. 3m(32/m) : P31m
4.DH.30Stefanweissite(Ca,REE)2Zr2(Nb,Ti)(Ti,Nb)2Fe2+O14Orth. mmm(2/m2/m2/m) : Cmca
4.DH.30ZirconoliteCaZrTi2O7Orth.
4.DH.30Laachite(Ca,Mn)2Zr2Nb2TiFeO14Mon. 2/m : B2/b
4.DH.30Nöggerathite-(Ce)(Ce,Ca)2Zr2(Nb,Ti)(Ti,Nb)2Fe2+O14Orth. mmm(2/m2/m2/m) : Cmca
4.DH.35LiandratiteU(Nb,Ta)2O8Trig. 3m(32/m) : P31m
4.DH.35PetscheckiteUFe(Nb,Ta)2O8Hex.
4.DH.40IngersoniteCa3Mn2+Sb5+4O14Trig. 32 : P3121
4.DH.45PittongiteNa0.22(W,Fe3+)(O,OH)3 · 0.44H2OHex. 6m2 : P6m2
4.DH.50TazzoliiteBa4-xNaxTi2Nb3SiO17[PO2(OH)2]x(OH)(1-2x) Orth. mmm(2/m2/m2/m) : Fmmm

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.

Internet Links for Strontiopyrochlore (of Hogarth 1977)Hide

References for Strontiopyrochlore (of Hogarth 1977)Hide

Reference List:
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.
Lottermoser, B. G., England, B. M. (1988) Compositional variation in pyrochlores from the Mt Weld carbonatite laterite, Western Australia. Mineralogy and Petrology, 38 (1) 37-51 doi:10.1007/bf01162480
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).
[1]Clark, A. M. (1993) Hey's Mineral Index - Mineral Species, Varieties and Synonyms (3rd ed.). Natural History Museum.p.670
Wall, F., Williams, C. T., Woolley, A. R., Nasraoui, M. (1996) Pyrochlore from Weathered Carbonatite at Lueshe, Zaire. Mineralogical Magazine, 60 (402) 731-750 doi:10.1180/minmag.1996.060.402.03
Chakhmouradian, Anton R., Mitchell, Roger H. (2002) New data on pyrochlore- and perovskite-group minerals from the Lovozero alkaline complex, Russia. European Journal of Mineralogy, 14 (4) 821-836 doi:10.1127/0935-1221/2002/0014-0821
Seifert, Wolfgang, Förster, Hans-Jürgen, Rhede, Dieter, Tietz, Olaf, Ulrych, Jaromír (2012) Mineral inclusions in placer zircon from the Ohře (Eger) Graben: new data on “strontiopyrochlore”. Mineralogy and Petrology, 106 (1) 39-53 doi:10.1007/s00710-012-0221-y
Christy, A. G., Atencio, D. (2013) Clarification of status of species in the pyrochlore supergroup. Mineralogical Magazine, 77 (1) 13-20 doi:10.1180/minmag.2013.077.1.02

Localities for Strontiopyrochlore (of Hogarth 1977)Hide

Showing 9 localities.

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.
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Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for references and 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 (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.
Argentina
 
  • Santiago del Estero Province
    • Ojo de Agua Department
Franchini et al. (2005)
Australia
 
  • Western Australia
    • Laverton Shire
      • Mount Weld Station
Lottermoser et al. (1988)
Canada
 
  • British Columbia
    • Omineca Mining Division
      • Williston Lake
Taseko
Mongolia
 
  • Khovd Province
    • Myangad District
Pavel M. Kartashov (n.d.)
Russia
 
  • Krasnoyarsk Krai
Re-entry of old data
  • Murmansk Oblast
    • Lovozersky District
      • Karnasurt Mountain
Pekov et al. (2004)
      • Vavnbed Mountain
Pekov (1998)
  • Sakha
    • Polar Yakutia
Pavel M. Kartashov (n.d.)
USA
 
  • Arkansas
    • Garland County
      • Wilson Springs (Potash Sulfur Springs)
        • Union Carbide Mine
Howard +1 other reference
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