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Johanna mine, Norberg, Västmanland County, Swedeni
Regional Level Types
Johanna mineMine
NorbergMunicipality
Västmanland CountyCounty
SwedenCountry

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Latitude & Longitude (WGS84):
60° 4' North , 15° 55' East
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
PlacePopulationDistance
Norberg4,653 (2017)0.4km
Fagersta11,936 (2017)9.8km
Annelund503 (2018)9.8km
Hedkärra201 (2017)14.0km
Vad291 (2017)15.2km
Mindat Locality ID:
10904
Long-form identifier:
mindat:1:2:10904:9
GUID (UUID V4):
0
Name(s) in local language(s):
Johannagruvan


The Johanna Mine is a skarn deposit worked for iron ore up to 1909. The Johanna mine is a Bastnäs-type REE deposit, belonging to the subtype (2) of Sahlström (2014) (Norberg type) in that it is enriched in heavy REE (HREE), Y, Mg, Ca, and F. The REE deposits are hosted in skarns associated with marble horizons in a strongly Na, K, and/or Mg-altered, metavolcanic succession.

Sahlström (2014) provides analytical data on gadolinite-(Nd) occurring as small anhedral grains in dollaseite-(Ce). The empirical mineral formula can be expressed as (Ca0.02Nd0.57Y0.40Ce0.40Sm0.18Gd0.15La0.09Pr0.09Dy0.04As0.01)∑1.95(Fe2+0.76Mg0.10)∑0.86Si2.06(Be1 .98 B0.02)∑2.00O9.72(OH)0.28.

The Johannagruvan mines comprise a magnesium-rich tremolite skarn with magnetite in a serpentine-bearing dolomitic marble with local ophicalcitic pods and associated REE mineralisation. The skarn body occurs within a folded stratified metavolcanic sequence with quartz-banded, hematite-dominated ore horizons.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.


Mineral List


21 valid minerals.

Rock Types Recorded

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

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

'Amphibole Supergroup'
Formula: AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Bastnäsite-(Ce)
Formula: Ce(CO3)F
Bastnäsite-(La)
Formula: La(CO3)F
Bornite
Formula: Cu5FeS4
Cerite-(CeCa)
Formula: (Ce7Ca2)◻Mg(SiO4)3(SiO3OH)4(OH)3
Chalcopyrite
Formula: CuFeS2
Dollaseite-(Ce)
Formula: (CaCe)(MgAlMg)F[Si2O7][SiO4](OH)
Fluorbritholite-(Ce)
Formula: (Ce,Ca)5(SiO4)3F
'Gadolinite'
Gadolinite-(Ce)
Formula: (Ce,La,Nd,Y)2Fe2+Be2Si2O10
Habit: microscopic granular
Gadolinite-(Nd)
Formula: Nd2Fe2+Be2O2(SiO4)2
Gadolinite-(Y)
Formula: Y2Fe2+Be2Si2O10
Hematite
Formula: Fe2O3
Humite
Formula: Mg7(SiO4)3F2
Magnetite
Formula: Fe2+Fe3+2O4
Molybdenite
Formula: MoS2
Native Bismuth
Formula: Bi
Norbergite
Formula: Mg3(SiO4)F2
Quartz
Formula: SiO2
'Serpentine Subgroup'
Formula: D3[Si2O5](OH)4
Synchysite-(Ce)
Formula: CaCe(CO3)2F
Taipingite-(CeCa)
Formula: (Ce7Ca2)◻Mg(SiO4)3[SiO3(OH)]4F3
Tremolite
Formula: ◻Ca2Mg5(Si8O22)(OH)2
Västmanlandite-(Ce)
Formula: CaCe3(MgAl2Mg)[Si2O7][SiO4]3F(OH)2

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Native Bismuth1.CA.05Bi
Group 2 - Sulphides and Sulfosalts
Bornite2.BA.15Cu5FeS4
Chalcopyrite2.CB.10aCuFeS2
Molybdenite2.EA.30MoS2
Group 4 - Oxides and Hydroxides
Magnetite4.BB.05Fe2+Fe3+2O4
Hematite4.CB.05Fe2O3
Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Bastnäsite-(Ce)5.BD.20aCe(CO3)F
Bastnäsite-(La)5.BD.20aLa(CO3)F
Synchysite-(Ce)5.BD.20cCaCe(CO3)2F
Group 9 - Silicates
Norbergite9.AF.40Mg3(SiO4)F2
Humite9.AF.50Mg7(SiO4)3F2
Taipingite-(CeCa)9.AG.12(Ce7Ca2)◻Mg(SiO4)3[SiO3(OH)]4F3
Cerite-(CeCa)9.AG.20(Ce7Ca2)◻Mg(SiO4)3(SiO3OH)4(OH)3
Fluorbritholite-(Ce)9.AH.25(Ce,Ca)5(SiO4)3F
Gadolinite-(Ce)9.AJ.20(Ce,La,Nd,Y)2Fe2+Be2Si2O10
Gadolinite-(Y)9.AJ.20Y2Fe2+Be2Si2O10
Gadolinite-(Nd)9.AJ.20Nd2Fe2+Be2O2(SiO4)2
Dollaseite-(Ce)9.BG.05(CaCe)(MgAlMg)F[Si2O7][SiO4](OH)
Västmanlandite-(Ce)9.BG.55CaCe3(MgAl2Mg)[Si2O7][SiO4]3F(OH)2
Tremolite9.DE.10◻Ca2Mg5(Si8O22)(OH)2
Unclassified
'Amphibole Supergroup'-AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
'Gadolinite'-
'Serpentine Subgroup'-D3[Si2O5](OH)4

List of minerals for each chemical element

HHydrogen
H Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
H Cerite-(CeCa)(Ce7Ca2)◻Mg(SiO4)3(SiO3OH)4(OH)3
H Dollaseite-(Ce)(CaCe)(MgAlMg)F[Si2O7][SiO4](OH)
H Tremolite◻Ca2Mg5(Si8O22)(OH)2
H Serpentine SubgroupD3[Si2O5](OH)4
H Västmanlandite-(Ce)CaCe3(MgAl2Mg)[Si2O7][SiO4]3F(OH)2
H Taipingite-(CeCa)(Ce7Ca2)◻Mg(SiO4)3[SiO3(OH)]4F3
BeBeryllium
Be Gadolinite-(Ce)(Ce,La,Nd,Y)2Fe2+Be2Si2O10
Be Gadolinite-(Y)Y2Fe2+Be2Si2O10
Be Gadolinite-(Nd)Nd2Fe2+Be2O2(SiO4)2
CCarbon
C Bastnäsite-(Ce)Ce(CO3)F
C Bastnäsite-(La)La(CO3)F
C Synchysite-(Ce)CaCe(CO3)2F
OOxygen
O Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
O Bastnäsite-(Ce)Ce(CO3)F
O Bastnäsite-(La)La(CO3)F
O Cerite-(CeCa)(Ce7Ca2)◻Mg(SiO4)3(SiO3OH)4(OH)3
O Dollaseite-(Ce)(CaCe)(MgAlMg)F[Si2O7][SiO4](OH)
O Fluorbritholite-(Ce)(Ce,Ca)5(SiO4)3F
O Gadolinite-(Ce)(Ce,La,Nd,Y)2Fe2+Be2Si2O10
O Gadolinite-(Y)Y2Fe2+Be2Si2O10
O HematiteFe2O3
O HumiteMg7(SiO4)3F2
O MagnetiteFe2+Fe23+O4
O NorbergiteMg3(SiO4)F2
O QuartzSiO2
O Synchysite-(Ce)CaCe(CO3)2F
O Tremolite◻Ca2Mg5(Si8O22)(OH)2
O Serpentine SubgroupD3[Si2O5](OH)4
O Västmanlandite-(Ce)CaCe3(MgAl2Mg)[Si2O7][SiO4]3F(OH)2
O Gadolinite-(Nd)Nd2Fe2+Be2O2(SiO4)2
O Taipingite-(CeCa)(Ce7Ca2)◻Mg(SiO4)3[SiO3(OH)]4F3
FFluorine
F Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
F Bastnäsite-(Ce)Ce(CO3)F
F Bastnäsite-(La)La(CO3)F
F Dollaseite-(Ce)(CaCe)(MgAlMg)F[Si2O7][SiO4](OH)
F Fluorbritholite-(Ce)(Ce,Ca)5(SiO4)3F
F HumiteMg7(SiO4)3F2
F NorbergiteMg3(SiO4)F2
F Synchysite-(Ce)CaCe(CO3)2F
F Västmanlandite-(Ce)CaCe3(MgAl2Mg)[Si2O7][SiO4]3F(OH)2
F Taipingite-(CeCa)(Ce7Ca2)◻Mg(SiO4)3[SiO3(OH)]4F3
MgMagnesium
Mg Cerite-(CeCa)(Ce7Ca2)◻Mg(SiO4)3(SiO3OH)4(OH)3
Mg Dollaseite-(Ce)(CaCe)(MgAlMg)F[Si2O7][SiO4](OH)
Mg HumiteMg7(SiO4)3F2
Mg NorbergiteMg3(SiO4)F2
Mg Tremolite◻Ca2Mg5(Si8O22)(OH)2
Mg Västmanlandite-(Ce)CaCe3(MgAl2Mg)[Si2O7][SiO4]3F(OH)2
Mg Taipingite-(CeCa)(Ce7Ca2)◻Mg(SiO4)3[SiO3(OH)]4F3
AlAluminium
Al Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Al Dollaseite-(Ce)(CaCe)(MgAlMg)F[Si2O7][SiO4](OH)
Al Västmanlandite-(Ce)CaCe3(MgAl2Mg)[Si2O7][SiO4]3F(OH)2
SiSilicon
Si Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Si Cerite-(CeCa)(Ce7Ca2)◻Mg(SiO4)3(SiO3OH)4(OH)3
Si Dollaseite-(Ce)(CaCe)(MgAlMg)F[Si2O7][SiO4](OH)
Si Fluorbritholite-(Ce)(Ce,Ca)5(SiO4)3F
Si Gadolinite-(Ce)(Ce,La,Nd,Y)2Fe2+Be2Si2O10
Si Gadolinite-(Y)Y2Fe2+Be2Si2O10
Si HumiteMg7(SiO4)3F2
Si NorbergiteMg3(SiO4)F2
Si QuartzSiO2
Si Tremolite◻Ca2Mg5(Si8O22)(OH)2
Si Serpentine SubgroupD3[Si2O5](OH)4
Si Västmanlandite-(Ce)CaCe3(MgAl2Mg)[Si2O7][SiO4]3F(OH)2
Si Gadolinite-(Nd)Nd2Fe2+Be2O2(SiO4)2
Si Taipingite-(CeCa)(Ce7Ca2)◻Mg(SiO4)3[SiO3(OH)]4F3
SSulfur
S BorniteCu5FeS4
S ChalcopyriteCuFeS2
S MolybdeniteMoS2
ClChlorine
Cl Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
CaCalcium
Ca Cerite-(CeCa)(Ce7Ca2)◻Mg(SiO4)3(SiO3OH)4(OH)3
Ca Dollaseite-(Ce)(CaCe)(MgAlMg)F[Si2O7][SiO4](OH)
Ca Fluorbritholite-(Ce)(Ce,Ca)5(SiO4)3F
Ca Synchysite-(Ce)CaCe(CO3)2F
Ca Tremolite◻Ca2Mg5(Si8O22)(OH)2
Ca Västmanlandite-(Ce)CaCe3(MgAl2Mg)[Si2O7][SiO4]3F(OH)2
Ca Taipingite-(CeCa)(Ce7Ca2)◻Mg(SiO4)3[SiO3(OH)]4F3
TiTitanium
Ti Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
FeIron
Fe BorniteCu5FeS4
Fe ChalcopyriteCuFeS2
Fe Gadolinite-(Ce)(Ce,La,Nd,Y)2Fe2+Be2Si2O10
Fe Gadolinite-(Y)Y2Fe2+Be2Si2O10
Fe HematiteFe2O3
Fe MagnetiteFe2+Fe23+O4
Fe Gadolinite-(Nd)Nd2Fe2+Be2O2(SiO4)2
CuCopper
Cu BorniteCu5FeS4
Cu ChalcopyriteCuFeS2
YYttrium
Y Gadolinite-(Ce)(Ce,La,Nd,Y)2Fe2+Be2Si2O10
Y Gadolinite-(Y)Y2Fe2+Be2Si2O10
MoMolybdenum
Mo MolybdeniteMoS2
LaLanthanum
La Bastnäsite-(La)La(CO3)F
La Gadolinite-(Ce)(Ce,La,Nd,Y)2Fe2+Be2Si2O10
CeCerium
Ce Bastnäsite-(Ce)Ce(CO3)F
Ce Cerite-(CeCa)(Ce7Ca2)◻Mg(SiO4)3(SiO3OH)4(OH)3
Ce Dollaseite-(Ce)(CaCe)(MgAlMg)F[Si2O7][SiO4](OH)
Ce Fluorbritholite-(Ce)(Ce,Ca)5(SiO4)3F
Ce Gadolinite-(Ce)(Ce,La,Nd,Y)2Fe2+Be2Si2O10
Ce Synchysite-(Ce)CaCe(CO3)2F
Ce Västmanlandite-(Ce)CaCe3(MgAl2Mg)[Si2O7][SiO4]3F(OH)2
Ce Taipingite-(CeCa)(Ce7Ca2)◻Mg(SiO4)3[SiO3(OH)]4F3
NdNeodymium
Nd Gadolinite-(Ce)(Ce,La,Nd,Y)2Fe2+Be2Si2O10
Nd Gadolinite-(Nd)Nd2Fe2+Be2O2(SiO4)2
BiBismuth
Bi Native BismuthBi

Other Regions, Features and Areas containing this locality

Eurasian PlateTectonic Plate
EuropeContinent
Sweden

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