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Berg, Råde, Østfold, Norwayi
Regional Level Types
Berg- not defined -
RådeMunicipality
ØstfoldCounty
NorwayCountry

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Mindat Locality ID:
32923
Long-form identifier:
mindat:1:2:32923:6
GUID (UUID V4):
dc56d3c1-a123-40db-8baf-4e1e4702912c
Name(s) in local language(s):
Berg, Råde kommune, Østfold fylke, Norge


A granite pegmatite. Brøgger (1897) described "Mossite" from a locality cllled Berg. The precise locality is however uncertain.


More than 100 kg offergusonite-(Y), mostly masses of several kg was found here in the 1880's.

Select Mineral List Type

StandardDetailedGalleryStrunzChemical Elements

Detailed Mineral List:

ⓘColumbite-(Fe)
Formula:Fe2+Nb2O6
Description: The mineral Brøgger (1897)described as a new mineral, mossite, was later shown by Dunn et. al (1979) to be a mixture of tantalian Columbite-(Fe) and tapiolite.
ⓘ'Columbite-(Fe)-Columbite-(Mn) Series'
ⓘ'Feldspar Group'
ⓘFergusonite-(Y)
Formula:YNbO4
Habit: masses & crystals up to 7cm long, 1-2 cm thick
ⓘ'Mica Group'
ⓘ'Monazite Group'
Formula:REE(PO4)
ⓘ'Mossite'
Description: Showed to be a mixture of tantalian columbite-(Fe) and tapiolite.
ⓘQuartz
Formula:SiO2
ⓘ'Tapiolite'
Formula:(Fe,Mn)(Ta,Nb)2O6
Description: The mineral Brøgger (1897)described as a new mineral, mossite, was later shown by Dunn et. al (1979) to be a mixture of tantalian Columbite-(Fe) and tapiolite.
ⓘTapiolite-(Fe)
Formula:Fe2+Ta2O6
ⓘXenotime-(Y)
Formula:Y(PO4)
ⓘYttrotantalite-(Y)
Formula:(Y,U,Fe2+)(Ta,Nb)(O,OH)4

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
ⓘQuartz4.DA.05SiO2
ⓘTapiolite-(Fe)4.DB.10Fe2+Ta2O6
ⓘColumbite-(Fe)4.DB.35Fe2+Nb2O6
ⓘYttrotantalite-(Y)4.DG.10(Y,U,Fe2+)(Ta,Nb)(O,OH)4
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘFergusonite-(Y)7.GA.05YNbO4
Group 8 - Phosphates, Arsenates and Vanadates
ⓘXenotime-(Y)8.AD.35Y(PO4)
Unclassified
ⓘ'Feldspar Group'-
ⓘ'Monazite Group'-REE(PO4)
ⓘ'Tapiolite'-(Fe,Mn)(Ta,Nb)2O6
ⓘ'Mica Group'-
ⓘ'Columbite-(Fe)-Columbite-(Mn) Series'-
ⓘ'Mossite' ?-

List of minerals for each chemical element

HHydrogen
HⓘYttrotantalite-(Y)(Y,U,Fe2+)(Ta,Nb)(O,OH)4
OOxygen
OⓘFergusonite-(Y)YNbO4
OⓘColumbite-(Fe)Fe2+Nb2O6
OⓘTapiolite-(Fe)Fe2+Ta2O6
OⓘMonazite GroupREE(PO4)
OⓘQuartzSiO2
OⓘTapiolite(Fe,Mn)(Ta,Nb)2O6
OⓘXenotime-(Y)Y(PO4)
OⓘYttrotantalite-(Y)(Y,U,Fe2+)(Ta,Nb)(O,OH)4
SiSilicon
SiⓘQuartzSiO2
PPhosphorus
PⓘMonazite GroupREE(PO4)
PⓘXenotime-(Y)Y(PO4)
MnManganese
MnⓘTapiolite(Fe,Mn)(Ta,Nb)2O6
FeIron
FeⓘColumbite-(Fe)Fe2+Nb2O6
FeⓘTapiolite-(Fe)Fe2+Ta2O6
FeⓘTapiolite(Fe,Mn)(Ta,Nb)2O6
FeⓘYttrotantalite-(Y)(Y,U,Fe2+)(Ta,Nb)(O,OH)4
YYttrium
YⓘFergusonite-(Y)YNbO4
YⓘXenotime-(Y)Y(PO4)
YⓘYttrotantalite-(Y)(Y,U,Fe2+)(Ta,Nb)(O,OH)4
NbNiobium
NbⓘFergusonite-(Y)YNbO4
NbⓘColumbite-(Fe)Fe2+Nb2O6
NbⓘTapiolite(Fe,Mn)(Ta,Nb)2O6
NbⓘYttrotantalite-(Y)(Y,U,Fe2+)(Ta,Nb)(O,OH)4
TaTantalum
TaⓘTapiolite-(Fe)Fe2+Ta2O6
TaⓘTapiolite(Fe,Mn)(Ta,Nb)2O6
TaⓘYttrotantalite-(Y)(Y,U,Fe2+)(Ta,Nb)(O,OH)4
UUranium
UⓘYttrotantalite-(Y)(Y,U,Fe2+)(Ta,Nb)(O,OH)4

Other Regions, Features and Areas containing this locality

Eurasian PlateTectonic Plate
EuropeContinent

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, pleaseregister so you can add to our database. This locality information is for reference purposes only. You should never attempt tovisit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holdersfor access and that you are aware of all safety precautions necessary.

References

Brögger, W. C. (1883) Om uranbegerts og xenotim fra norske forekomster.Geologiska Föreningen i Stockholm Förhandlingar, 6 (14) 744-752doi:10.1080/11035898309444117with a short notice on a find of xenotime-(Y) from Berg
Brøgger, W. C. (1897) Über den Mossit und über das Krystallsystem des Tantalit (Skogbölit) aus Finnland [About Mossite and the Crystal System of Tantalite (Skogbölite) from Finland].Videnskabsselskabet i Christiania Skrifter - I Mathematisk-naturvidenskabelig klasse Vol. 1897 (7). In commision by Jacob Dybwad
Brøgger, W. C. (1906) Die Mineralien der Südnorwegischen Granit-Pegmatitgänge - I. Niobate, Tantalate, Titanate und Titanoniobate [The minerals of the South Norwegian granite pegmatite dikes - I. Niobates, tantalates, titanates and titanoniobates].Videnskabsselskabet i Christiania Skrifter - I Mathematisk-naturvidenskabelig klasse, 1906.p.32
Dunn, P. J., Gaines, R. V., Kristiansen, R. (1979) Mossite discredited.Mineralogical Magazine, 43 (328) 553-554doi:10.1180/minmag.1979.043.328.23
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