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:
Helsinki, Uusimaa, Finland


mindat Locality ID: 156346
mindat URL: http://www.mindat.org/loc-156346.html

Tectonic Settings:

Total number of sublocalities beneath "Helsinki, Uusimaa, Finland": 7
Total number of bottom-level sublocalities: 4

Number of Child Localities: 3
Child Localities:
Kapteeninkatu Pegmatite
Laajasalo
Pakila

Latitude: 0°0'0"N
Longitude: 0°0'0"E
Decimal Degree (lat, lon): 0,0

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 Be C Ca Cu F Fe H Mg O Pb S Si Zn 

Elements from minerals reported directly at this locality: Al Mg O Si 

Structural Groups for minerals in this locality: 
AmorphousBerylCalciteClayClinozoisiteCopperCorundumEpidoteFluoriteGarnet
KaoliniteMalachiteMarcasiteMelanteriteNoneOlivineRocksaltSphaleriteSpinelTridymite

17 IMA Minerals at location:
Andradite  (*)Chalcocite  (*)Chrysoberyl  (*)Copper  (*)Cordierite  (*)
Corundum  (*)Epidote  (*)Fluorite  (*)Galena  (*)Hisingerite  (*)
Ice  (*)Magnetite  (*)Malachite  (*)Marcasite  (*)Melanterite  (*)
Siderite  (*)Sphalerite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Andradite  (*)GarnetCa3Fe3+2(SiO4)31502481534
Chalcocite  (*)NoneCu2S1502465707
Chrysoberyl  (*)OlivineBeAl2O4150242321
Copper  (*)CopperCu250243,502463846
Cordierite  (*)BerylMg2Al4Si5O1801008
Corundum  (*)CorundumAl2O31502421797
Epidote  (*)Epidote ClinozoisiteCa2(Al2Fe3+)[Si2O7][SiO4]O(OH)1502468173
Fluorite  (*)FluoriteCaF21502469617
Galena  (*)RocksaltPbS250244,5024524243
Hisingerite  (*)Kaolinite ClayFe2Si2O5(OH)4·2H2O150245144
Ice  (*)Amorphous TridymiteH2O15024359
Magnetite  (*)SpinelFe2+Fe3+2O415024614899
Malachite  (*)MalachiteCu2(CO3)(OH)215024612537
Marcasite  (*)MarcasiteFeS21502455674
Melanterite  (*)MelanteriteFe(SO4)·7H2O150245915
Siderite  (*)CalciteFe(CO3)1502456417
Sphalerite  (*)SphaleriteZnS15024521482



No ages have been assigned to this locality yet.

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All locality data graciously provided by mindat.org

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