Östanmossa mine, Röberg ore field, Norberg, Västmanland County, Swedeni
Regional Level Types | |
---|---|
Östanmossa mine | Mine |
Röberg ore field | Ore Field |
Norberg | Municipality |
Västmanland County | County |
Sweden | Country |
Östanmossa mine, Röberg ore field, Bergslagen mining district, Sweden
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Latitude & Longitude (WGS84):
60° 4' 59'' North , 15° 55' 59'' East
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Mindat Locality ID:
14533
Long-form identifier:
mindat:1:2:14533:3
GUID (UUID V4):
4a46c937-747a-4ab0-9046-102b63efda9f
Name(s) in local language(s):
Östanmossagruvan (Östanmossgruvan), Röbergsfältet , Norberg, Västmanland, Sverige
The Östanmossa mine produced iron ore from a skarn in the period from 1859 to 1934. The mine is worked to a depth of 114.9m. The Östanmossa mine is a Bastnäs-type REE deposit, belonging to the subtype (2) of Sahlström (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.
The Östanmossa deposit is the type locality for dollaseite-(Ce), arrheniusite-(Ce), and norbergite.
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Standard Detailed Gallery Strunz Chemical ElementsCommodity List
This is a list of exploitable or exploited mineral commodities recorded at this locality.Mineral List
21 valid minerals. 3 (TL) - type locality of valid minerals.
Rock Types Recorded
Note: data is currently VERY limited. Please bear with us while we work towards adding this information!
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Alphabetical List Tree DiagramDetailed Mineral List:
ⓘ Actinolite Formula: ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2 |
ⓘ 'Allanite Group' Formula: (A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH) Description: The composition of the various grains and crystals of allanite group minerals are of an intermediate composition between dissakisite-(Ce), dollaseite-(Ce) and allanite-(Ce). Jansson (2001) distinguishes between dissakisite-(Ce) and dollaseite-(Ce) based on paragenesis. Small, anhedral grains and masses embedded in tremolite and larger tabular crystals embedded in calcite lenses within the tremolite are considered to be dissakisite-(Ce), whereas the material embedded in the dolomite marble associated with norbergite and magnetite is considered to be dollaseite-(Ce). The analytical basis for this distinction is quite slim.
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ⓘ 'Amphibole Supergroup' Formula: AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2 |
ⓘ Arrheniusite-(Ce) (TL) Formula: CaMg[(Ce7Y3)Ca5](SiO4)4(Si2B3AsO18)(BO3)F11 Type Locality: |
ⓘ Bastnäsite-(Ce) Formula: Ce(CO3)F Colour: Yellowgreen Description: See photo References: |
ⓘ Bismuthinite Formula: Bi2S3 |
ⓘ Calcite Formula: CaCO3 |
ⓘ Cerite-(CeCa) ? Formula: (Ce7Ca2)◻Mg(SiO4)3(SiO3OH)4(OH)3 |
ⓘ 'Chlorite Group' |
ⓘ Chondrodite Formula: Mg5(SiO4)2F2 Description: Chondrodite is found in an association with allanite-(Ce), tremolite and magnetite. |
ⓘ Clinohumite Formula: Mg9(SiO4)4F2 Colour: orange Description: Clinohumite (and chondrodite?) is quite common in the ophicalcite where it occurs as small orange aggregates together with calcite and serpentine, sometimes also together with fluorite. |
ⓘ Dissakisite-(Ce) Formula: (CaCe)(AlAlMg)O[Si2O7][SiO4](OH) Habit: massive Colour: red-brown, chocolate brown to black Description: Both subaluminous, ferroan dissakisite-(Ce) and Fe-poor dollaseite-(Ce) occurs at Östanmossa Mine (Grew et al. 1991). The composition of the various grains and crystals of allanite group minerals are of an intermediate composition between dissakisite-(Ce), dollaseite-(Ce) and allanite-(Ce). Jansson (2001) distinguishes between dissakisite-(Ce) and dollaseite-(Ce) based on paragenesis. Small, anhedral grains and masses embedded in tremolite and larger tabular crystals embedded in calcite lenses within the tremolite are considered to be dissakisite-(Ce), whereas the material embedded in the dolomite marble associated with norbergite and magnetite is considered to be dollaseite-(Ce). The analytical basis for this distinction is quite slim.
The individual grains embedded in tremolite are rarely visible to the naked eye, whereas the tabular crystals found embedded in calcite lenses in tremolite can be up to up to 4-10 mm. |
ⓘ Dollaseite-(Ce) (TL) Formula: (CaCe)(MgAlMg)F[Si2O7][SiO4](OH) Type Locality: Habit: massive Colour: Brown Description: The composition of the various grains and crystals of allanite group minerals are of an intermediate composition between dissakisite-(Ce), dollaseite-(Ce) and allanite-(Ce). Jansson (2001) distinguishes between dissakisite-(Ce) and dollaseite-(Ce) based on paragenesis. Small, anhedral grains and masses embedded in tremolite and larger tabular crystals embedded in calcite lenses within the tremolite are considered to be dissakisite-(Ce), whereas the material embedded in the dolomite marble associated with norbergite and magnetite is considered to be dollaseite-(Ce). The analytical basis for this distinction is quite slim.
References: |
ⓘ Dolomite Formula: CaMg(CO3)2 |
ⓘ Fluorbritholite-(Y) Formula: (Y,Ca)5(SiO4)3F |
ⓘ Gadolinite-(Ce) Formula: (Ce,La,Nd,Y)2Fe2+Be2Si2O10 Habit: microscopic granular Colour: green |
ⓘ Gadolinite-(Y) Formula: Y2Fe2+Be2Si2O10 |
ⓘ Magnetite Formula: Fe2+Fe3+2O4 |
ⓘ Molybdenite Formula: MoS2 |
ⓘ Norbergite (TL) Formula: Mg3(SiO4)F2 Type Locality: Colour: pink, white, purplish Description: NOrbergite occurs as massive occurs in massive pink (purplish) to white aggregates and is associated with tremolite and an epidote group minerals. Only massive aggregates have been found Östanmossa iron mine References: |
ⓘ Parisite-(Ce) Formula: CaCe2(CO3)3F2 |
ⓘ Phlogopite Formula: KMg3(AlSi3O10)(OH)2 |
ⓘ Pyrite Formula: FeS2 |
ⓘ Tremolite Formula: ◻Ca2Mg5(Si8O22)(OH)2 |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
Group 2 - Sulphides and Sulfosalts | |||
---|---|---|---|
ⓘ | Bismuthinite | 2.DB.05 | Bi2S3 |
ⓘ | Molybdenite | 2.EA.30 | MoS2 |
ⓘ | Pyrite | 2.EB.05a | FeS2 |
Group 4 - Oxides and Hydroxides | |||
ⓘ | Magnetite | 4.BB.05 | Fe2+Fe3+2O4 |
Group 5 - Nitrates and Carbonates | |||
ⓘ | Calcite | 5.AB.05 | CaCO3 |
ⓘ | Dolomite | 5.AB.10 | CaMg(CO3)2 |
ⓘ | Bastnäsite-(Ce) | 5.BD.20a | Ce(CO3)F |
ⓘ | Parisite-(Ce) | 5.BD.20b | CaCe2(CO3)3F2 |
Group 9 - Silicates | |||
ⓘ | Norbergite (TL) | 9.AF.40 | Mg3(SiO4)F2 |
ⓘ | Chondrodite | 9.AF.45 | Mg5(SiO4)2F2 |
ⓘ | Clinohumite | 9.AF.55 | Mg9(SiO4)4F2 |
ⓘ | Cerite-(CeCa) ? | 9.AG.20 | (Ce7Ca2)◻Mg(SiO4)3(SiO3OH)4(OH)3 |
ⓘ | Fluorbritholite-(Y) | 9.AH.25 | (Y,Ca)5(SiO4)3F |
ⓘ | Arrheniusite-(Ce) (TL) | 9.AJ. | CaMg[(Ce7Y3)Ca5](SiO4)4(Si2B3AsO18)(BO3)F11 |
ⓘ | Gadolinite-(Ce) | 9.AJ.20 | (Ce,La,Nd,Y)2Fe2+Be2Si2O10 |
ⓘ | Gadolinite-(Y) | 9.AJ.20 | Y2Fe2+Be2Si2O10 |
ⓘ | Dollaseite-(Ce) (TL) | 9.BG.05 | (CaCe)(MgAlMg)F[Si2O7][SiO4](OH) |
ⓘ | Dissakisite-(Ce) | 9.BG.05b | (CaCe)(AlAlMg)O[Si2O7][SiO4](OH) |
ⓘ | Tremolite | 9.DE.10 | ◻Ca2Mg5(Si8O22)(OH)2 |
ⓘ | Actinolite | 9.DE.10 | ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2 |
ⓘ | Phlogopite | 9.EC.20 | KMg3(AlSi3O10)(OH)2 |
Unclassified | |||
ⓘ | 'Amphibole Supergroup' | - | AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2 |
ⓘ | 'Chlorite Group' | - | |
ⓘ | 'Allanite Group' | - | (A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH) |
List of minerals for each chemical element
H | Hydrogen | |
---|---|---|
H | ⓘ Actinolite | ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2 |
H | ⓘ Amphibole Supergroup | AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2 |
H | ⓘ Cerite-(CeCa) | (Ce7Ca2)◻Mg(SiO4)3(SiO3OH)4(OH)3 |
H | ⓘ Dissakisite-(Ce) | (CaCe)(AlAlMg)O[Si2O7][SiO4](OH) |
H | ⓘ Dollaseite-(Ce) | (CaCe)(MgAlMg)F[Si2O7][SiO4](OH) |
H | ⓘ Phlogopite | KMg3(AlSi3O10)(OH)2 |
H | ⓘ Tremolite | ◻Ca2Mg5(Si8O22)(OH)2 |
H | ⓘ Allanite Group | (A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH) |
Be | Beryllium | |
Be | ⓘ Gadolinite-(Ce) | (Ce,La,Nd,Y)2Fe2+Be2Si2O10 |
Be | ⓘ Gadolinite-(Y) | Y2Fe2+Be2Si2O10 |
B | Boron | |
B | ⓘ Arrheniusite-(Ce) | CaMg[(Ce7Y3)Ca5](SiO4)4(Si2B3AsO18)(BO3)F11 |
C | Carbon | |
C | ⓘ Bastnäsite-(Ce) | Ce(CO3)F |
C | ⓘ Calcite | CaCO3 |
C | ⓘ Dolomite | CaMg(CO3)2 |
C | ⓘ Parisite-(Ce) | CaCe2(CO3)3F2 |
O | Oxygen | |
O | ⓘ Actinolite | ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2 |
O | ⓘ Amphibole Supergroup | AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2 |
O | ⓘ Bastnäsite-(Ce) | Ce(CO3)F |
O | ⓘ Calcite | CaCO3 |
O | ⓘ Cerite-(CeCa) | (Ce7Ca2)◻Mg(SiO4)3(SiO3OH)4(OH)3 |
O | ⓘ Chondrodite | Mg5(SiO4)2F2 |
O | ⓘ Clinohumite | Mg9(SiO4)4F2 |
O | ⓘ Dissakisite-(Ce) | (CaCe)(AlAlMg)O[Si2O7][SiO4](OH) |
O | ⓘ Dollaseite-(Ce) | (CaCe)(MgAlMg)F[Si2O7][SiO4](OH) |
O | ⓘ Dolomite | CaMg(CO3)2 |
O | ⓘ Gadolinite-(Ce) | (Ce,La,Nd,Y)2Fe2+Be2Si2O10 |
O | ⓘ Gadolinite-(Y) | Y2Fe2+Be2Si2O10 |
O | ⓘ Magnetite | Fe2+Fe23+O4 |
O | ⓘ Norbergite | Mg3(SiO4)F2 |
O | ⓘ Parisite-(Ce) | CaCe2(CO3)3F2 |
O | ⓘ Phlogopite | KMg3(AlSi3O10)(OH)2 |
O | ⓘ Tremolite | ◻Ca2Mg5(Si8O22)(OH)2 |
O | ⓘ Fluorbritholite-(Y) | (Y,Ca)5(SiO4)3F |
O | ⓘ Allanite Group | (A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH) |
O | ⓘ Arrheniusite-(Ce) | CaMg[(Ce7Y3)Ca5](SiO4)4(Si2B3AsO18)(BO3)F11 |
F | Fluorine | |
F | ⓘ Amphibole Supergroup | AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2 |
F | ⓘ Bastnäsite-(Ce) | Ce(CO3)F |
F | ⓘ Chondrodite | Mg5(SiO4)2F2 |
F | ⓘ Clinohumite | Mg9(SiO4)4F2 |
F | ⓘ Dollaseite-(Ce) | (CaCe)(MgAlMg)F[Si2O7][SiO4](OH) |
F | ⓘ Norbergite | Mg3(SiO4)F2 |
F | ⓘ Parisite-(Ce) | CaCe2(CO3)3F2 |
F | ⓘ Fluorbritholite-(Y) | (Y,Ca)5(SiO4)3F |
F | ⓘ Arrheniusite-(Ce) | CaMg[(Ce7Y3)Ca5](SiO4)4(Si2B3AsO18)(BO3)F11 |
Mg | Magnesium | |
Mg | ⓘ Actinolite | ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2 |
Mg | ⓘ Cerite-(CeCa) | (Ce7Ca2)◻Mg(SiO4)3(SiO3OH)4(OH)3 |
Mg | ⓘ Chondrodite | Mg5(SiO4)2F2 |
Mg | ⓘ Clinohumite | Mg9(SiO4)4F2 |
Mg | ⓘ Dissakisite-(Ce) | (CaCe)(AlAlMg)O[Si2O7][SiO4](OH) |
Mg | ⓘ Dollaseite-(Ce) | (CaCe)(MgAlMg)F[Si2O7][SiO4](OH) |
Mg | ⓘ Dolomite | CaMg(CO3)2 |
Mg | ⓘ Norbergite | Mg3(SiO4)F2 |
Mg | ⓘ Phlogopite | KMg3(AlSi3O10)(OH)2 |
Mg | ⓘ Tremolite | ◻Ca2Mg5(Si8O22)(OH)2 |
Mg | ⓘ Arrheniusite-(Ce) | CaMg[(Ce7Y3)Ca5](SiO4)4(Si2B3AsO18)(BO3)F11 |
Al | Aluminium | |
Al | ⓘ Amphibole Supergroup | AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2 |
Al | ⓘ Dissakisite-(Ce) | (CaCe)(AlAlMg)O[Si2O7][SiO4](OH) |
Al | ⓘ Dollaseite-(Ce) | (CaCe)(MgAlMg)F[Si2O7][SiO4](OH) |
Al | ⓘ Phlogopite | KMg3(AlSi3O10)(OH)2 |
Si | Silicon | |
Si | ⓘ Actinolite | ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2 |
Si | ⓘ Amphibole Supergroup | AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2 |
Si | ⓘ Cerite-(CeCa) | (Ce7Ca2)◻Mg(SiO4)3(SiO3OH)4(OH)3 |
Si | ⓘ Chondrodite | Mg5(SiO4)2F2 |
Si | ⓘ Clinohumite | Mg9(SiO4)4F2 |
Si | ⓘ Dissakisite-(Ce) | (CaCe)(AlAlMg)O[Si2O7][SiO4](OH) |
Si | ⓘ Dollaseite-(Ce) | (CaCe)(MgAlMg)F[Si2O7][SiO4](OH) |
Si | ⓘ Gadolinite-(Ce) | (Ce,La,Nd,Y)2Fe2+Be2Si2O10 |
Si | ⓘ Gadolinite-(Y) | Y2Fe2+Be2Si2O10 |
Si | ⓘ Norbergite | Mg3(SiO4)F2 |
Si | ⓘ Phlogopite | KMg3(AlSi3O10)(OH)2 |
Si | ⓘ Tremolite | ◻Ca2Mg5(Si8O22)(OH)2 |
Si | ⓘ Fluorbritholite-(Y) | (Y,Ca)5(SiO4)3F |
Si | ⓘ Allanite Group | (A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH) |
Si | ⓘ Arrheniusite-(Ce) | CaMg[(Ce7Y3)Ca5](SiO4)4(Si2B3AsO18)(BO3)F11 |
S | Sulfur | |
S | ⓘ Bismuthinite | Bi2S3 |
S | ⓘ Molybdenite | MoS2 |
S | ⓘ Pyrite | FeS2 |
Cl | Chlorine | |
Cl | ⓘ Amphibole Supergroup | AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2 |
K | Potassium | |
K | ⓘ Phlogopite | KMg3(AlSi3O10)(OH)2 |
Ca | Calcium | |
Ca | ⓘ Actinolite | ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2 |
Ca | ⓘ Calcite | CaCO3 |
Ca | ⓘ Cerite-(CeCa) | (Ce7Ca2)◻Mg(SiO4)3(SiO3OH)4(OH)3 |
Ca | ⓘ Dissakisite-(Ce) | (CaCe)(AlAlMg)O[Si2O7][SiO4](OH) |
Ca | ⓘ Dollaseite-(Ce) | (CaCe)(MgAlMg)F[Si2O7][SiO4](OH) |
Ca | ⓘ Dolomite | CaMg(CO3)2 |
Ca | ⓘ Parisite-(Ce) | CaCe2(CO3)3F2 |
Ca | ⓘ Tremolite | ◻Ca2Mg5(Si8O22)(OH)2 |
Ca | ⓘ Fluorbritholite-(Y) | (Y,Ca)5(SiO4)3F |
Ca | ⓘ Arrheniusite-(Ce) | CaMg[(Ce7Y3)Ca5](SiO4)4(Si2B3AsO18)(BO3)F11 |
Ti | Titanium | |
Ti | ⓘ Amphibole Supergroup | AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2 |
Fe | Iron | |
Fe | ⓘ Actinolite | ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2 |
Fe | ⓘ Gadolinite-(Ce) | (Ce,La,Nd,Y)2Fe2+Be2Si2O10 |
Fe | ⓘ Gadolinite-(Y) | Y2Fe2+Be2Si2O10 |
Fe | ⓘ Magnetite | Fe2+Fe23+O4 |
Fe | ⓘ Pyrite | FeS2 |
As | Arsenic | |
As | ⓘ Arrheniusite-(Ce) | CaMg[(Ce7Y3)Ca5](SiO4)4(Si2B3AsO18)(BO3)F11 |
Y | Yttrium | |
Y | ⓘ Gadolinite-(Ce) | (Ce,La,Nd,Y)2Fe2+Be2Si2O10 |
Y | ⓘ Gadolinite-(Y) | Y2Fe2+Be2Si2O10 |
Y | ⓘ Fluorbritholite-(Y) | (Y,Ca)5(SiO4)3F |
Y | ⓘ Arrheniusite-(Ce) | CaMg[(Ce7Y3)Ca5](SiO4)4(Si2B3AsO18)(BO3)F11 |
Mo | Molybdenum | |
Mo | ⓘ Molybdenite | MoS2 |
La | Lanthanum | |
La | ⓘ Gadolinite-(Ce) | (Ce,La,Nd,Y)2Fe2+Be2Si2O10 |
Ce | Cerium | |
Ce | ⓘ Bastnäsite-(Ce) | Ce(CO3)F |
Ce | ⓘ Cerite-(CeCa) | (Ce7Ca2)◻Mg(SiO4)3(SiO3OH)4(OH)3 |
Ce | ⓘ Dissakisite-(Ce) | (CaCe)(AlAlMg)O[Si2O7][SiO4](OH) |
Ce | ⓘ Dollaseite-(Ce) | (CaCe)(MgAlMg)F[Si2O7][SiO4](OH) |
Ce | ⓘ Gadolinite-(Ce) | (Ce,La,Nd,Y)2Fe2+Be2Si2O10 |
Ce | ⓘ Parisite-(Ce) | CaCe2(CO3)3F2 |
Ce | ⓘ Arrheniusite-(Ce) | CaMg[(Ce7Y3)Ca5](SiO4)4(Si2B3AsO18)(BO3)F11 |
Nd | Neodymium | |
Nd | ⓘ Gadolinite-(Ce) | (Ce,La,Nd,Y)2Fe2+Be2Si2O10 |
Bi | Bismuth | |
Bi | ⓘ Bismuthinite | Bi2S3 |
Other Regions, Features and Areas containing this locality
Eurasian PlateTectonic Plate
EuropeContinent
ScandinaviaRegion
Sweden
- Bergslagen mining districtMining District
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References
Grew, Edward S., Essene, Eric J., Peacor, Donald R., Su, Shu-chun, Asami, Masao (1991) Dissakisite-(Ce), a new member of the epidote group and the Mg analogue of allanite-(Ce), from Antarctica. American Mineralogist, 76 (11-12) 1990-1997