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Kentbrooksite from
Koashva Mt, Khibiny Massif, Murmansk Oblast, Russia

Classification
Species:Kentbrooksite
Formula:(Na,REE)15(Ca,REE)6(Mn2+,Fe2+)3Zr3Nb[Si25O74]F2 · 2H2O
Confirmation
Validity:Believed Valid
References
References:PEKOV, I.V. & NIKOLAEV, A.P. (2013) Minerals of the pegmatites and hydrothermal assemblages of the Koashva deposit (Khibiny, Kola Peninsula, Russia). Mineralogical Almanac 189(2), 7-65.
Data
Mineral Data:Click here to view Kentbrooksite data
Locality Data:Click here to view Koashva Mt, Khibiny Massif, Murmansk Oblast, Russia
 
Mineral and/or Locality  
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