Vuonnemite, Ussingite, Serandite, Neotocite

Specimen ID: QNL-EA3

Mineral(s)
Vuonnemite : Na11Ti4+Nb2(Si2O7)2(PO4)2O3(F,OH)
Ussingite : Na2AlSi3O8OH
Serandite : NaMn2+2Si3O8(OH)
Neotocite : (Mn,Fe,Mg)SiO3·H2O
Locality
As recorded:
Shkatulka pegmatite, Umbozero mine, Alluaiv Mt, Lovozersky District, Murmansk Oblast, Russia
Mindat locality:
Dimensions
5cm x 5cm x 2.5cm
Events

Photo added to mindat.org

Large tabular crystal of yellowish vuonnemite from the central ussingite core of the pegmatite. Associating minerals are orange prismatic serandite, minute pearly scales of shkatulkalite, replacing vuonnemite along its cleavage surfaces, and gmelinite-K (unvisible on the picture - its xls grow over ussingite crystals in cavity on the back side of the specimen). Specimen size is 5x5x2.5 cm. Collected by Arkady Shpachenko in 1991. Pavel M. Kartashov collection and photo.
Pavel Kartashov - 23rd May 2008

Photo added to mindat.org

Large tabular crystal of yellowish vuonnemite from the central ussingite core of the pegmatite. Associating minerals are orange prismatic serandite, minute pearly scales of shkatulkalite, replacing vuonnemite along its cleavage surfaces, and gmelinite-K (unvisible on the picture - its xls grow over ussingite crystals in cavity on the back side of the specimen). Specimen size is 5x5x2.5 cm. Collected by Arkady Shpachenko in 1991. Pavel M. Kartashov collection and photo.
Pavel Kartashov - 23rd May 2008
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