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Hydroxymanganopyrochlore

A valid IMA mineral species
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About HydroxymanganopyrochloreHide

Formula:
(Mn2+,Th,Na,Ca,REE)2(Nb,Ti)2O6(OH)
Colour:
Dark-brown; black
Specific Gravity:
5.398 (Calculated)
Crystal System:
Isometric
Name:
Named according to the nomenclature of the Pyrochlore supergroup with Mn on the A-position and the hydroxyl ion (OH-) on the Y-position.
Mn2+ dominant analog of hydroxycalciopyrochlore.


Unique IdentifiersHide

Mindat ID:
42748
Long-form identifier:
mindat:1:1:42748:9
GUID
(UUID V4):
c2d42d49-95e1-4684-988e-387a6b9a7a7f

IMA Classification of HydroxymanganopyrochloreHide

Approved
IMA Formula:
(Mn,Th,Na,Ca,REE)2(Nb,Ti)2O6(OH)
Approval year:
2012
First published:
2013

Classification of HydroxymanganopyrochloreHide

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

Mineral SymbolsHide

As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

SymbolSourceReference
HmpclIMA–CNMNCWarr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Physical Properties of HydroxymanganopyrochloreHide

Colour:
Dark-brown; black
Comment:
Black with red reflexes
Tenacity:
Brittle
Cleavage:
None Observed
Density:
5.398 g/cm3 (Calculated)

Chemistry of HydroxymanganopyrochloreHide

Mindat Formula:
(Mn2+,Th,Na,Ca,REE)2(Nb,Ti)2O6(OH)

Crystallography of HydroxymanganopyrochloreHide

Crystal System:
Isometric
Class (H-M):
m3 (2/m 3) - Diploidal
Cell Parameters:
a = 10.2523(2) Å
Unit Cell V:
1,077.62 ų (Calculated from Unit Cell)
Morphology:
Octahedral crystals.
Comment:
Space group Fd3m

Crystal StructureHide

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IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0020052HydroxymanganopyrochloreChukanov N V, Blass G, Zubkova N V, Pekov I V, Pushcharovskii D Y, Prinz H (2013) Hydroxymanganopyrochlore: A new mineral from the Eifel volcanic region, Germany Doklady Earth Sciences 449 342-3452013Eifel volcanic region, Germany0293
CIF Raw Data - click here to close

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
2.969 Å(100)
2.569 Å(40)
2.358 Å(12)
1.816 Å(47)
1.548 Å(40)
1.481 Å(14)
1.284 Å(10)
1.178 Å(14)

Geological EnvironmentHide

Paragenetic Mode(s):
Paragenetic ModeEarliest Age (Ga)
Stage 4b: Highly evolved igneous rocks>3.0
34 : Complex granite pegmatites
Geological Setting:
Laach Lake volcanic Complex.

Type Occurrence of HydroxymanganopyrochloreHide

General Appearance of Type Material:
Octahedral crystals up to 0.7mm in diameter growing on the walls in small miarolitic cavities in sanidinite.
Place of Conservation of Type Material:
Fersman Mineralogical Museum of the Russian Academy of Sciences, Moscow, Russia, registration number 4226/1.

Synonyms of HydroxymanganopyrochloreHide

Other Language Names for HydroxymanganopyrochloreHide

Relationship of Hydroxymanganopyrochlore to other SpeciesHide

Other Members of this group:
Cesiokenopyrochlore◻Nb2(O,OH)6(Cs,◻) 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
Hydrokenopyrochlore(◻,x)2Nb2O6(H2O,Cs)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
Hydroxynatropyrochlore(Na,Ca,Ce)2Nb2O6(OH)Iso. m3m (4/m 3 2/m) : Fd3m
Hydroxyplumbopyrochlore (Pb1.50.5)Nb2O6(OH)Iso. m3m (4/m 3 2/m) : Fd3m
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)

Related Minerals - Strunz-mindat GroupingHide

4.DH.Fluornatropyrochlore(Na,Pb,Ca,REE,U)2Nb2O6FIso. m3m (4/m 3 2/m)
4.DH.Roméite GroupA2(Sb5+)2O6Z
4.DH.Hydroxykenomicrolite(◻,Na,Sb3+)2Ta2O6(OH)Iso. m3m (4/m 3 2/m) : Fd3m
4.DH.Fluornatroroméite(Na,Ca)2Sb2(O,OH)6F
4.DH.OxyplumboroméitePb2Sb2O6OIso. m3m (4/m 3 2/m) : Fd3m
4.DH.Cesiokenopyrochlore◻Nb2(O,OH)6(Cs,◻) Iso. m3m (4/m 3 2/m) : Fd3m
4.DH.Oxyyttrobetafite-(Y)Y2Ti2O6OIso. m3m (4/m 3 2/m) : Fd3m
4.DH.05BranneriteUTi2O6Mon. 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)2Mon. 2/m : P21/b
4.DH.10Lucasite-(Ce)CeTi2(O,OH)6Mon.
4.DH.15 vaAlumotungstite2W2O6(H2O)Iso. m3m (4/m 3 2/m) : Fd3m
4.DH.15Bismutomicrolite (of Hogarth 1977)Iso. m3m (4/m 3 2/m) : Fd3m
4.DH.15Hydroplumboelsmoreite(Pb,◻)(W,Fe3+)2O6 · H2OIso. 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.15Plumbomicrolite (of Hogarth 1977)
4.DH.15Stibiomicrolite (of Groat et al.)
4.DH.15Strontiopyrochlore (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.)(Bi,Ca,U,Pb)2-xNb2(O,OH)6(OH)Amor.
4.DH.15Hydrokenoelsmoreite2W2O6(H2O)Iso. m3m (4/m 3 2/m) : Fd3m
4.DH.15Fluorcalciomicrolite(Ca,Na)2(Ta,Nb)2O6FIso. m3m (4/m 3 2/m) : Fd3m
4.DH.15OxycalciobetafiteCa2(Ti,Nb)2O6O
4.DH.15 vaYttromicrolite (of Hogarth)(Ca,Y3+,U,Na)2-x(Ta,Nb,Ti,Fe3+)2O7Iso. m3m (4/m 3 2/m) : Fd3m
4.DH.15Oxynatropyrochlore(Na,Ca,U)2Nb2O6(O,OH)
4.DH.15Hydroxycalciopyrochlore(Ca,Na,U,◻)2(Nb,Ti)2O6(OH)Iso. m3m (4/m 3 2/m) : Fd3m
4.DH.15Fluorcalciopyrochlore(Ca,Na)2(Nb, Ti)2O6FIso.
4.DH.15OxycalciopyrochloreCa2Nb2O6OIso. m3m (4/m 3 2/m) : Fd3m
4.DH.15Fluorstrontiopyrochlore(Sr,◻)2Nb2(O,OH)6F
4.DH.15OxyplumbopyrochlorePb2Nb2O6O
4.DH.15Kenoplumbopyrochlore(Pb,◻)Nb2O6(◻,O)
4.DH.15Oxyyttropyrochlore-(Y)(Y,◻)2Nb2O6O
4.DH.15Fluorkenopyrochlore(◻,Sr,Ce,Ca,Na)2(Nb,Ti)2O6F
4.DH.15Oxyuranobetafite(U,Ca,◻)2(Ti,Nb)2O6O
4.DH.15OxycalciomicroliteCa2Ta2O6OIso. m3m (4/m 3 2/m) : Fd3m
4.DH.15OxystannomicroliteSn2Ta2O6OIso. m3m (4/m 3 2/m) : Fd3m
4.DH.15Kenoplumbomicrolite(Pb,◻)2Ta2O6(◻,OH,O)Iso.
4.DH.15Oxystibiomicrolite(Sb3+,Ca)2Ta2O6OIso. m3m (4/m 3 2/m) : Fd3m
4.DH.15Hydromicrolite(H2O,◻)2Ta2(O,OH)6(H2O)
4.DH.15Hydrokenomicrolite(◻,H2O)2Ta2(O,OH)6(H2O)Iso. m3m (4/m 3 2/m)
4.DH.15HydroxycalciomicroliteCa1.5Ta2O6(OH)Iso. 4 3 2 : P42 3 2
4.DH.15Fluorplumbopyrochlore(Pb,Y,Th,U,Na,Ca)2-x(Nb,Ti)2O6FIso.
4.DH.15Hydroxyplumbopyrochlore (Pb1.50.5)Nb2O6(OH)Iso. m3m (4/m 3 2/m) : Fd3m
4.DH.15Oxynatromicrolite(Na,Ca,U)2(Ta,Nb)2O6(O,F)Iso. m3m (4/m 3 2/m) : Fd3m
4.DH.15Fluorhydropyrochlore
4.DH.15Hydroxykenoelsmoreite(◻,Pb)2(W,Fe3+,Al)2(O,OH)6(OH)Trig. 3 : R3
4.DH.15Hydrokenopyrochlore(◻,x)2Nb2O6(H2O,Cs)Iso. m3m (4/m 3 2/m) : Fd3m
4.DH.15Hydroxykenopyrochlore(◻,Ce,Ba)2(Nb,Ti)2O6(OH,F)Iso. m3m (4/m 3 2/m) : Fd3m
4.DH.15Hydroxynatropyrochlore(Na,Ca,Ce)2Nb2O6(OH)Iso. m3m (4/m 3 2/m) : Fd3m
4.DH.15Hydroxynatromicrolite(Na,Bi3+,◻)2Ta2O6(OH)Iso. m3m (4/m 3 2/m) : Fd3m
4.DH.15Unnamed (Sb-analogue of Hydroxymanganopyrochlor)(Mn,Ca,Y)2(Sb,Ti)2O6(OH)
4.DH.15Oxybismutomicrolite(Bi1.330.67)Σ2Ta2O6OIso. m3m (4/m 3 2/m) : Fd3m
4.DH.20BindheimitePb2Sb2O6OIso. m3m (4/m 3 2/m) : Fd3m
4.DH.20Hydroxycalcioroméite(Ca,Sb3+)2(Sb5+,Ti)2O6(OH)Iso. m3m (4/m 3 2/m) : Fd3m
4.DH.20MonimolitePb2Sb5+2O7Iso. m3m (4/m 3 2/m)
4.DH.20CuproroméiteCu2Sb2(O,OH)7Iso.
4.DH.20StetefeldtiteAg2Sb2(O,OH)7Iso.
4.DH.20StibiconiteSb3+Sb5+2O6(OH) Iso. m3m (4/m 3 2/m)
4.DH.20Fluorcalcioroméite(Ca,Na,◻)2Sb5+2(O,OH)6FIso. m3m (4/m 3 2/m) : Fd3m
4.DH.20OxycalcioroméiteCa2Sb2O6OIso. m3m (4/m 3 2/m) : Fd3m
4.DH.20Hydroxyferroroméite(Fe2+1.50.5)Sb5+2O6(OH)Iso. m3m (4/m 3 2/m) : Fd3m
4.DH.25RosiaitePbSb5+2O6Trig. 3m (3 2/m) : P3 1m
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/m 2/m 2/m) : Cmca
4.DH.30Stefanweissite(Ca,REE)2Zr2(Nb,Ti)(Ti,Nb)2Fe2+O14Orth. mmm (2/m 2/m 2/m) : Cmca
4.DH.35LiandratiteU(Nb,Ta)2O8Trig. 3m (3 2/m) : P3 1m
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
4.DH.50TazzoliiteBa4-xNaxTi2Nb3SiO17[PO2(OH)2]x(OH)(1-2x) Orth. mmm (2/m 2/m 2/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 HydroxymanganopyrochloreHide

References for HydroxymanganopyrochloreHide

Localities for HydroxymanganopyrochloreHide

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 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.
Germany (TL)
 
  • Rhineland-Palatinate
    • Mayen-Koblenz
      • Mendig
        • Mendig
Williams et al. (2012) +2 other references
 
Mineral and/or Locality  
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