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Östanmossa mine, Röberg ore field, Norberg, Västmanland, Sweden
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Östanmossa mine, Röberg ore field, Norberg, Västmanland, Sweden

Photo: B. Otter
Latitude: 60°5'N
Longitude: 15°56'E
Name(s) in local language(s): Östanmossagruvan (Östanmossgruvan), Röbergsfältet , Norberg, Västmanland, Sverige
The Östanmossa deposit is the type locality for dollaseite-(Ce).

Mineral List

Amphibole Supergroup
Cerite-(Ce) ?
'Chlorite Group'
Dollaseite-(Ce) (TL)
Norbergite (TL)

21 entries listed. 19 valid minerals. 2 type localities (valid minerals).

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Geijer, P. (1926): Norbergite and Fluoborite, two new minerals from the Norberg mining district. Preliminary report. Geologiska Föreningens i Stockholm Förhandlinger. 48, 84-85.

Geijer, P. (1927): Some mineral associations from the Norberg District. Sveriges Geologiska Undersökning, 20, l-32 [first note on dollaseite-(Ce) as "magnesium orthite" from Östanmoss mine]

Peacor, D. R. & Dunn, P. J.: (1988): Dollaseite-(Ce) (magnesium orthite redefined): Structure refinement and implications for F + M2+ substitutions in epidote-group minerals. American Mineralogist. 73: 838- 842

Holtstam, D., Andersson, U.B. (2007): The REE minerals of the Bastnäs-type deposits, South-Central Sweden. Canadian Mineralogist. 45, 1073-1114

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