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Hydroxykenopyrochlore

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About HydroxykenopyrochloreHide

This page provides mineralogical data about Hydroxykenopyrochlore.


Classification of HydroxykenopyrochloreHide

Approved, Pending publication
Approval Year:
2017

Chemical Properties of HydroxykenopyrochloreHide

Formula:
(□,Ce,Ba)2(Nb,Ti)2O6(OH,F)
IMA Formula:
(◻,Ce,Ba)2(Nb,Ti)2O6(OH,F)

Crystallography of HydroxykenopyrochloreHide

Crystal System:
Isometric
Class (H-M):
m3m (4/m 3 2/m) - Hexoctahedral
Space Group:
Fd3m
Setting:
Fd3m
Cell Parameters:
a = 10.590(5) Å
Unit Cell V:
1,187.65 ų (Calculated from Unit Cell)

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
6.02(22)
3.15(14)
3.02(100)
2.61(29)
1.847(45)
1.576(32)
1.199(9)
1.168(8)

Type Occurrence of HydroxykenopyrochloreHide

Place of Conservation of Type Material:
mineralogical collections of the National Museum of Nature and Science, Tsukuba, Japan, registration number NSM-MF16011

Relationship of Hydroxykenopyrochlore 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
Hydroxymanganopyrochlore(Mn2+,Th,Na,Ca,REE)2(Nb,Ti)2O6(OH) Iso. m3 (2/m 3)
Hydroxynatropyrochlore(Na,Сa,Ce)2Nb2O6(OH)Iso. m3m (4/m 3 2/m) : Fd3m
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 HydroxykenopyrochloreHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Miyawaki, R., Momma, K., Matsubara, S., Sano, T., Shigeoka, M., Horiuchi, H. (2017): Hydroxykenopyrochlore, IMA 2017-030a. CNMNC Newsletter No. 39, October 2017, page 1285; Mineralogical Magazine, 81, 1279–1286; http://forum.amiminerals.it/viewtopic.phpf=5&t=14029&sid=1bd8fea6f10174ac7bdd04a79c06bffd (2017)

Internet Links for HydroxykenopyrochloreHide

Localities for HydroxykenopyrochloreHide

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.
Brazil (TL)
 
  • Minas Gerais
    • Araxá
      • Barreiro
        • Araxá complex
Miyawaki, R., Momma, K., Matsubara, S., Sano, T., Shigeoka, M. and Horiuchi, H. (2017) Hydroxykenopyrochlore, IMA 2017-030a. CNMNC Newsletter No. 39, October 2017, page 1285; Mineralogical Magazine, 81, 1279–1286.
Russia
 
  • Eastern-Siberian Region
    • Krasnoyarsk Krai
      • Enisei Range (Yenisei Ridge; Enisei Ridge)
        • Tatarka Range
Pavel M. Kartashov analytical data of 2018
Mineral and/or Locality  
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