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Hydroxynatropyrochlore

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Formula:
(Na,Сa,Ce)2Nb2O6(OH)
Crystal System:
Isometric
This page provides mineralogical data about Hydroxynatropyrochlore.


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Classification of HydroxynatropyrochloreHide

Approved, Pending publication
Approval Year:
2017

Chemical Properties of HydroxynatropyrochloreHide

Formula:
(Na,Сa,Ce)2Nb2O6(OH)
IMA Formula:
(Na,Ca,Ce)2Nb2O6(OH)

Crystallography of HydroxynatropyrochloreHide

Crystal System:
Isometric
Class (H-M):
m3m (4/m 3 2/m) - Hexoctahedral
Space Group:
Fd3m
Setting:
Fd3m
Cell Parameters:
a = 10.3276(5) Å
Unit Cell V:
1,101.53 ų (Calculated from Unit Cell)

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
5.96(47)
3.110(30)
2.580(100)
2.368(19)
1.987(6)
1.826(25)
1.746(3)
1.556(14)
Comments:
From Type Description.

Type Occurrence of HydroxynatropyrochloreHide

Place of Conservation of Type Material:
Type material is deposited in the collections of the Mineralogical Museum, Saint-Petersburg State University, University Emb. 7/9, St. Petersburg 199034, Russia, catalogue number 1/19679
Reference:
Ivanyuk, G.Y., Yakovenchuk, V.N., Panikorovskii, T.L., Konoplyova, N., Pakhomovsky, Y.A., Bazai, A.V., Bocharov, V.N. and Krivovichev, S.V. (2017) Hydroxynatropyrochlore, IMA 2017-074. CNMNC Newsletter No. 40, December 2017, page 1580; Mineralogical Magazine: 81: 1577–1581.

Synonyms of HydroxynatropyrochloreHide

Relationship of Hydroxynatropyrochlore to other SpeciesHide

Other Members of this group:
Cesiokenopyrochlore□Nb2(O,OH)6Cs1−x (x ∼ 0.20)Iso. m3m (4/m 3 2/m) : Fd3m
Fluorcalciopyrochlore(Ca,Na)2(Nb, Ti)2O6FIso.
FluorhydropyrochloreA 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/m 3 2/m)
Fluorplumbopyrochlore(Pb,Y,Th,U,Na,Ca)2-x(Nb,Ti)2O6FIso.
Fluorstrontiopyrochlore(Sr,□)2Nb2(O,OH)6F
Hydrokenopyrochlore2Nb2O4(OH)2(H2O)Iso. m3m (4/m 3 2/m) : Fd3m
Hydropyrochlore(H2O,□)2Nb2(O,OH)6(H2O)Iso. m3m (4/m 3 2/m) : Fd3m
Hydroxycalciopyrochlore(Ca,Na,U,□)2(Nb,Ti)2O6(OH)Iso. m3m (4/m 3 2/m) : Fd3m
Hydroxykenopyrochlore(□,Ce,Ba)2(Nb,Ti)2O6(OH,F)Iso. m3m (4/m 3 2/m) : Fd3m
Hydroxymanganopyrochlore(Mn2+,Th,Na,Ca,REE)2(Nb,Ti)2O6(OH) Iso. m3 (2/m 3)
Hydroxyplumbopyrochlore(Pb,Ca)2-x(Nb,Ti,Ta)2O6(OH)
Kenoplumbopyrochlore(Pb,□)Nb2O6(□,O)
OxycalciopyrochloreCa2Nb2O6OIso. m3m (4/m 3 2/m) : Fd3m
Oxynatropyrochlore(Na,Ca,U)2Nb2O6(O,OH)
OxyplumbopyrochlorePb2Nb2O6O
Oxyyttropyrochlore-(Y)(Y,⃞)2Nb2O6O
Unnamed (Sb-analogue of Hydroxymanganopyrochlor)(Mn,Ca,Y)2(Sb,Ti)2O6(OH)

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 HydroxynatropyrochloreHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Ivanyuk, G.Y., Yakovenchuk, V.N., Panikorovskii, T.L., Konoplyova, N., Pakhomovsky, Y.A., Bazai, A.V., Bocharov, V.N. and Krivovichev, S.V. (2017) Hydroxynatropyrochlore, IMA 2017-074. CNMNC Newsletter No. 40, December 2017, page 1580; Mineralogical Magazine: 81: 1577–1581.

Internet Links for HydroxynatropyrochloreHide

Localities for HydroxynatropyrochloreHide

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.
Russia (TL)
 
  • Murmansk Oblast
    • Kovdor Massif
Ivanyuk, G.Y., Yakovenchuk, V.N., Panikorovskii, T.L., Konoplyova, N., Pakhomovsky, Y.A., Bazai, A.V., Bocharov, V.N. and Krivovichev, S.V. (2017) Hydroxynatropyrochlore, IMA 2017-074. CNMNC Newsletter No. 40, December 2017, page 1580; Mineralogical Magazine: 81: 1577–1581.
Mineral and/or Locality  
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