Mineral Evolution Database
Created and maintained by the Mineral Evolution Project in partnership with RRUFF and mindat.
Mineral locality data provided by mindat.org



The Mineral Evolution database is currently under development.

The goal of this page is to present localities at which the mineral is found, and estimates of the oldest possible geologic age of the minerals at these localities.


Locality Name:
Österåker, Stockholm County, Sweden

Oldest recorded age at locality: 1797
Youngest recorded age at locality: 1793

mindat Locality ID: 19581
mindat URL: http://www.mindat.org/loc-19581.html

Tectonic Settings:

Total number of sublocalities beneath "Österåker, Stockholm County, Sweden": 5
Total number of bottom-level sublocalities: 5

Number of Child Localities: 5
Child Localities:
Gruvdalen Mine (Skeppsdal)
Härsbacka
Idsätra
Skarpö
Svinninge

Latitude: 59°28'3"N
Longitude: 18°22'26"E
Decimal Degree (lat, lon): 59.4675,18.373888888889
AThis mineral is Anthropogenic.
GThis mineral is directly dated.
BThis mineral is reported as having this age.
YThis mineral is using an age reported as an element mineralization period.
OThis mineral is using an age calculated from all data at the locality.
RThe age displayed for this mineral originates from a different, non-child locality.
PThe age displayed for this mineral is the range of ages for this mineral at all of this locality's children.
This mineral's age has not yet been recorded.

This Mineral list contains entries from this locality, including sub-localities. Minerals in bold are reported by mindat.org as occurring directly at this locality, and do not occur at any children (sublocalities) of this locality.

Elements at this locality, including sub-localities: Al B Be Ca Cu F Fe H K Mo Na O S Si W Zr 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
BerylClayClinozoisiteEpidoteFeldsparFluoriteMicaMilariteMolybdeniteNone
Not in a structural groupQuartzScheeliteTopazTourmalineZircon

16 IMA Minerals at location:
Albite  (*)Bertrandite  (*)Beryl  (*)Chalcocite  (*)Clinozoisite  (*)
Fluorite  (*)Margarite  (*)Microcline  (*)Milarite  (*)Molybdenite  (*)
Muscovite  (*)Quartz  (*)Scheelite  (*)Schorl  (*)Topaz  (*)
Zircon  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Albite  (*)FeldsparNa(AlSi3O8)1797179311126668803
Bertrandite  (*)Not in a structural groupBe4Si2O7(OH)2179717931112666606
Beryl  (*)BerylBe3Al2Si6O181797179311126664286
Chalcocite  (*)NoneCu2S1797179311126665707
Clinozoisite  (*)Clinozoisite EpidoteCa2Al3[Si2O7][SiO4]O(OH)1797179311126661025
Fluorite  (*)FluoriteCaF21797179311126669617
Margarite  (*)Mica ClayCaAl2Si2Al2O10(OH)2179717931112666168
Microcline  (*)FeldsparK(AlSi3O8)179717932112666,1126674924
Milarite  (*)MilariteKCa2(Be2AlSi12)O30·H2O179717931112666156
Molybdenite  (*)MolybdeniteMoS211126675800
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)217971793111266617380
Quartz  (*)QuartzSiO2179717932112666,11266761156
Scheelite  (*)ScheeliteCa(WO4)1797179311126664894
Schorl  (*)TourmalineNaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)1797179311126662705
Topaz  (*)TopazAl2SiO4F21797179311126661476
Zircon  (*)ZirconZr(SiO4)1797179311126665251


1 Ages assigned to this locality:

Excel IDMax Age (Ma)Min Age (Ma)Age as listed in referenceDating MethodAge InterpretPrioritized?Sample SourceSample NumRun NumAge from other LocalityDated MineralMinerals explicitely stated as having this ageAge applies to these ElementsMinDat Locality IDDated Locality (Max Age)Location as listed in referenceReferenceReference DOIReference IDAge Notes
Bradley_2012_112179717931795±2U/Pb columbite, tantalite     12107Gruvdalen Mine (Skeppsdal), Österåker, Stockholm County, SwedenGruvdalenMcCauley and Bradley (2014)10.3749/canmin.52.2.183CM52_183 

SampleSource LocalityReference URL

All locality data graciously provided by mindat.org

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