Shkatulkalite  Manganoneptunite   Image

Shkatulkalite Manganoneptunite Image

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McDougall Minerals is based near famous Bancroft, Ontario, at the heart of one of the best mineral regions in Canada

 Manganoneptunite, Shkatulkalite

Large Manganoneptunite Image

Mineral: Manganoneptunite: KNa2Li(Mn,Fe++)2Ti2Si8O24  
Shkatulkalite: {(Na,Mn,Ca,[ ])4[Nb2(O,H2O)4Si4O14](OH,F)2}·2(H2O,[ ])
Comments: Pearly white shkatulkalite with brown mangan-neptunite grains.
Location: Shkatulka pegmatite, Umbozero mine, Alluaiv Mt, Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia.
Scale: Picture size 4.5 mm.
Copyright: © Thomas Witzke / Abraxas-Verlag
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