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Dalyite Janhaugite Image

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 Dalyite, Janhaugite

Large Dalyite Image

Mineral: Dalyite: K2ZrSi6O15  
Janhaugite: (Na,Ca)3(Mn++,Fe++)3(Ti++++,Zr,Nb)2Si4O15(OH,F,O)3
Comments: Tan crystalline dalyite (arrow) with reddish brown janhaugite.
Location: Gjerdingen, Nordmark, north of Oslo, Oslo, Norway.
Scale: See Photo.
Copyright: © Jeff Weissman / Photographic Guide to Mineral Species
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