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Sidensjö, Örnsköldsvik, Västernorrland County, Swedeni
Regional Level Types
Sidensjö- not defined -
ÖrnsköldsvikMunicipality
Västernorrland CountyCounty
SwedenCountry

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Neighbouring regions:
Själevad, Örnsköldsvik, Västernorrland County, Sweden
Largest Settlements:
PlacePopulation
Sidensjö380 (2017)
Västerby371 (2011)
Mindat Locality ID:
220555
Long-form identifier:
mindat:1:2:220555:0
GUID (UUID V4):
0


The geology of the area is dominated by Härnö group metagreywackes and intercalated mafic to intermediate metavolcanic rocks. Local interbeds of pyrite- and/or pyrrhotite-bearing metapelite and graphite schist also occur in the package. The metasupracrustal rocks are intruded by late-orogenic granites, pegmatitic granites, and pegmatites belonging to the GrP suite. Major deformation zones in the area have mainly WNW-ESE orientations with subordinate deformation zones orientated NW to NE. Locally, these fault zones flank the margins of larger granite bodies. Folding patterns evident on regional magnetic anomaly maps indicate variable N- to NE- and WNW- to NW-oriented and typically steeply plunging folds affect the metasupracrustal rocks. Metamorphic grade is estimated to have reached upper amphibolite to granulite facies based on the local occurrence of paragneiss and migmatite, as elsewhere in the Bothnian Basin.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded from this region.


Mineral List

Mineral list contains entries from the region specified including sub-localities

16 valid minerals.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

Rock list contains entries from the region specified including sub-localities

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Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ Albite
Formula: Na(AlSi3O8)
ⓘ Albite var. Cleavelandite
Formula: Na(AlSi3O8)
ⓘ 'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
ⓘ Arsenopyrite
Formula: FeAsS
ⓘ Beryl
Formula: Be3Al2(Si6O18)
ⓘ Beusite
Formula: Mn2+Mn2+2 (PO4)2
ⓘ 'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Localities: Reported from at least 6 localities in this region.
ⓘ Cassiterite
Formula: SnO2
ⓘ 'Columbite-(Fe)-Columbite-(Mn) Series'
ⓘ 'Columbite-Tantalite'
ⓘ Cookeite
Formula: (LiAl4◻)[AlSi3O10](OH)8
ⓘ 'Feldspar Group'
ⓘ 'Garnet Group'
Formula: X3Z2(SiO4)3
ⓘ Graphite
Formula: C
ⓘ Herzenbergite
Formula: SnS
ⓘ Heterosite
Formula: Fe3+(PO4)
ⓘ 'K Feldspar'
ⓘ Magnetite
Formula: Fe2+Fe3+2O4
ⓘ Microcline
Formula: K(AlSi3O8)
ⓘ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Localities: Reported from at least 6 localities in this region.
ⓘ Muscovite var. Sericite
Formula: KAl2(AlSi3O10)(OH)2
ⓘ Pyrite
Formula: FeS2
ⓘ Quartz
Formula: SiO2
ⓘ Spodumene
Formula: LiAlSi2O6
ⓘ 'Tourmaline'
Formula: AD3G6(T6O18)(BO3)3X3Z
ⓘ Triphylite
Formula: LiFe2+PO4

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘGraphite1.CB.05aC
Group 2 - Sulphides and Sulfosalts
ⓘHerzenbergite2.CD.05SnS
ⓘPyrite2.EB.05aFeS2
ⓘArsenopyrite2.EB.20FeAsS
Group 4 - Oxides and Hydroxides
ⓘMagnetite4.BB.05Fe2+Fe3+2O4
ⓘQuartz4.DA.05SiO2
ⓘCassiterite4.DB.05SnO2
Group 8 - Phosphates, Arsenates and Vanadates
ⓘHeterosite8.AB.10Fe3+(PO4)
ⓘTriphylite8.AB.10LiFe2+PO4
ⓘBeusite8.AB.20Mn2+Mn2+2 (PO4)2
Group 9 - Silicates
ⓘBeryl9.CJ.05Be3Al2(Si6O18)
ⓘSpodumene9.DA.30LiAlSi2O6
ⓘMuscovite9.EC.15KAl2(AlSi3O10)(OH)2
ⓘvar. Sericite9.EC.15KAl2(AlSi3O10)(OH)2
ⓘCookeite9.EC.55(LiAl4◻)[AlSi3O10](OH)8
ⓘMicrocline9.FA.30K(AlSi3O8)
ⓘAlbite9.FA.35Na(AlSi3O8)
ⓘvar. Cleavelandite9.FA.35Na(AlSi3O8)
Unclassified
ⓘ'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ'Feldspar Group'-
ⓘ'Tourmaline'-AD3G6(T6O18)(BO3)3X3Z
ⓘ'Columbite-(Fe)-Columbite-(Mn) Series'-
ⓘ'K Feldspar'-
ⓘ'Garnet Group'-X3Z2(SiO4)3
ⓘ'Columbite-Tantalite'-
ⓘ'Apatite'-Ca5(PO4)3(Cl/F/OH)

List of minerals for each chemical element

HHydrogen
Hⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Hⓘ Cookeite(LiAl4◻)[AlSi3O10](OH)8
Hⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Hⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Hⓘ ApatiteCa5(PO4)3(Cl/F/OH)
LiLithium
Liⓘ Cookeite(LiAl4◻)[AlSi3O10](OH)8
Liⓘ SpodumeneLiAlSi2O6
Liⓘ TriphyliteLiFe2+PO4
BeBeryllium
Beⓘ BerylBe3Al2(Si6O18)
BBoron
Bⓘ TourmalineAD3G6(T6O18)(BO3)3X3Z
CCarbon
Cⓘ GraphiteC
OOxygen
Oⓘ AlbiteNa(AlSi3O8)
Oⓘ BeusiteMn2+Mn22+ (PO4)2
Oⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Oⓘ BerylBe3Al2(Si6O18)
Oⓘ CassiteriteSnO2
Oⓘ Cookeite(LiAl4◻)[AlSi3O10](OH)8
Oⓘ HeterositeFe3+(PO4)
Oⓘ MagnetiteFe2+Fe23+O4
Oⓘ MicroclineK(AlSi3O8)
Oⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Oⓘ QuartzSiO2
Oⓘ SpodumeneLiAlSi2O6
Oⓘ TourmalineAD3G6(T6O18)(BO3)3X3Z
Oⓘ TriphyliteLiFe2+PO4
Oⓘ Albite var. CleavelanditeNa(AlSi3O8)
Oⓘ Columbite-(Fe)-Columbite-(Mn) Series
Oⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Oⓘ Garnet GroupX3Z2(SiO4)3
Oⓘ ApatiteCa5(PO4)3(Cl/F/OH)
FFluorine
Fⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Fⓘ ApatiteCa5(PO4)3(Cl/F/OH)
NaSodium
Naⓘ AlbiteNa(AlSi3O8)
Naⓘ Albite var. CleavelanditeNa(AlSi3O8)
MgMagnesium
Mgⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
AlAluminium
Alⓘ AlbiteNa(AlSi3O8)
Alⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Alⓘ BerylBe3Al2(Si6O18)
Alⓘ Cookeite(LiAl4◻)[AlSi3O10](OH)8
Alⓘ MicroclineK(AlSi3O8)
Alⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Alⓘ SpodumeneLiAlSi2O6
Alⓘ Albite var. CleavelanditeNa(AlSi3O8)
Alⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
SiSilicon
Siⓘ AlbiteNa(AlSi3O8)
Siⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Siⓘ BerylBe3Al2(Si6O18)
Siⓘ Cookeite(LiAl4◻)[AlSi3O10](OH)8
Siⓘ MicroclineK(AlSi3O8)
Siⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Siⓘ QuartzSiO2
Siⓘ SpodumeneLiAlSi2O6
Siⓘ Albite var. CleavelanditeNa(AlSi3O8)
Siⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Siⓘ Garnet GroupX3Z2(SiO4)3
PPhosphorus
Pⓘ BeusiteMn2+Mn22+ (PO4)2
Pⓘ HeterositeFe3+(PO4)
Pⓘ TriphyliteLiFe2+PO4
Pⓘ ApatiteCa5(PO4)3(Cl/F/OH)
SSulfur
Sⓘ ArsenopyriteFeAsS
Sⓘ HerzenbergiteSnS
Sⓘ PyriteFeS2
ClChlorine
Clⓘ ApatiteCa5(PO4)3(Cl/F/OH)
KPotassium
Kⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Kⓘ MicroclineK(AlSi3O8)
Kⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Kⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
CaCalcium
Caⓘ ApatiteCa5(PO4)3(Cl/F/OH)
TiTitanium
Tiⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
MnManganese
Mnⓘ BeusiteMn2+Mn22+ (PO4)2
Mnⓘ Columbite-(Fe)-Columbite-(Mn) Series
FeIron
Feⓘ ArsenopyriteFeAsS
Feⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Feⓘ HeterositeFe3+(PO4)
Feⓘ MagnetiteFe2+Fe23+O4
Feⓘ PyriteFeS2
Feⓘ TriphyliteLiFe2+PO4
Feⓘ Columbite-(Fe)-Columbite-(Mn) Series
AsArsenic
Asⓘ ArsenopyriteFeAsS
NbNiobium
Nbⓘ Columbite-(Fe)-Columbite-(Mn) Series
SnTin
Snⓘ CassiteriteSnO2
Snⓘ HerzenbergiteSnS

Fossils

This region is too big or complex to display the fossil list, try looking at smaller subregions.

Localities in this Region

Sweden

Other Regions, Features and Areas that Intersect

Baltic Shield (Fennoscandian Shield)Shield
Eurasian PlateTectonic Plate

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, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

[1]Lynch, Edward P.; Szentpéteri, Krisztián; Andersson, Joel B.H.; Kuusela, Janne; Sadeghi, Martiya; Bauer, Tobias E. (2025) Lithium-caesium-tantalum (LCT) pegmatite mineralization in the Paleoproterozoic central Fennoscandian Shield (Sweden and Finland): A review of geological characteristics and assessment of mineral system commonalities. Ore Geology Reviews, 184. 106739 doi:10.1016/j.oregeorev.2025.106739
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