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Sergevanite

About

Characterizes in coupled Ca+Mn and Na+Fe residence in the particular structural sites. This presumably lowers the typical R3m symmetry. The full (extended) formula is Na15(Ca3Mn3)(Na2Fe)Zr3Si2(Si3O9)2(Si9O27)2(OH)3·H2O.

Group Parent: 
Eudialyte Group
Type Locality
Karnasurt Mountain, Lovozero Massif, Murmansk Oblast, Russian Federation
Mineral Data
Na15(Ca3Mn3)(Na2Fe)Zr3Si26O72(OH)3·H2O
Physical Properties
Crystal System: 
Trigonal

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For Sale
  • Sergevanite
    Sergevanite
    Karnasurt Mountain, Lovozero Massif, Murmansk Oblast, Russian Federation
    Micromount (under 1cm)
    $

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    HEF1042669
Archive
Displaying first 16 items. Click here to search for more.
  • Sergevanite
    Sergevanite
    Kvanefjeld, Ilímaussaq, Narsaq, Kujalleq, Greenland
    Thumbnail (1-3cm)
    Sold
    JYJ817246
  • Sergevanite
    Sergevanite
    Selsurt Mountain, Lovozero Massif, Murmansk Oblast, Russian Federation
    Small miniature (3-4.5 cm)
    Sold
    MTR1012887
  • Sergevanite
    Sergevanite
    Kvanefjeld, Ilímaussaq, Narsaq, Kujalleq, Greenland
    Thumbnail (1-3cm)
    Sold
    JYJ906406
  • Sergevanite
    Sergevanite
    Karnasurt Mountain, Lovozero Massif, Murmansk Oblast, Russian Federation
    Micromount (under 1cm)
    Sold
    MTR1006209
  • Sergevanite
    Sergevanite
    Karnasurt Mountain, Lovozero Massif, Murmansk Oblast, Russian Federation
    Micromount (under 1cm)
    Sold
    MTR761882
  • Sergevanite
    Sergevanite
    Karnasurt Mountain, Lovozero Massif, Murmansk Oblast, Russian Federation
    Micromount (under 1cm)
    Sold
    HEF826687
  • Sergevanite
    Sergevanite
    Karnasurt Mountain, Lovozero Massif, Murmansk Oblast, Russian Federation
    Micromount (under 1cm)
    Sold
    MTR755620
  • Sergevanite
    Sergevanite
    Karnasurt Mountain, Lovozero Massif, Murmansk Oblast, Russian Federation
    Micromount (under 1cm)
    Sold
    HEF849566
  • Sergevanite
    Sergevanite
    Karnasurt Mountain, Lovozero Massif, Murmansk Oblast, Russian Federation
    Thumbnail (1-3cm)
    Sold
    MTR900979
  • Sergevanite
    Sergevanite
    Karnasurt Mountain, Lovozero Massif, Murmansk Oblast, Russian Federation
    Micromount (under 1cm)
    Sold
    MTR767476
  • Sergevanite
    Sergevanite
    Karnasurt Mountain, Lovozero Massif, Murmansk Oblast, Russian Federation
    Micromount (under 1cm)
    Sold
    MTR825922
  • Sergevanite
    Sergevanite
    Karnasurt Mountain, Lovozero Massif, Murmansk Oblast, Russian Federation
    Thumbnail (1-3cm)
    Sold
    MTR915598
  • Sergevanite
    Sergevanite
    Karnasurt Mountain, Lovozero Massif, Murmansk Oblast, Russian Federation
    Micromount (under 1cm)
    Sold
    HEF921668
  • Sergevanite
    Sergevanite
    Karnasurt Mountain, Lovozero Massif, Murmansk Oblast, Russian Federation
    Micromount (under 1cm)
    Sold
    HEF883970
  • Sergevanite
    Sergevanite
    Karnasurt Mountain, Lovozero Massif, Murmansk Oblast, Russian Federation
    Micromount (under 1cm)
    Sold
    HEF840256
  • Sergevanite
    Sergevanite
    Karnasurt Mountain, Lovozero Massif, Murmansk Oblast, Russian Federation
    Micromount (under 1cm)
    Sold
    HEF829418
Locality List

Item Localities for Mineral

Greenland

Kujalleq

Russian Federation

Murmansk Oblast

References
Mindat URL: 
https://www.mindat.org/min-54024.html