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:
Sein Island, Finistère, Brittany, France


mindat Locality ID: 286658
mindat URL: http://www.mindat.org/loc-286658.html

Tectonic Settings:

Total number of sublocalities beneath "Sein Island, Finistère, Brittany, France": 3
Total number of bottom-level sublocalities: 3

Number of Child Localities: 3
Child Localities:
Beg Ar Galez
Nerroth Island
Plas Ar Skoul

Latitude: 48°2'26"N
Longitude: 4°51'31"W
Decimal Degree (lat, lon): 48.040555555556,-4.8586111111111
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 As Be Fe K O Pb S Sb Si Zn 

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

Structural Groups for minerals in this locality: 
ArsenicArsenopyriteBerylFeldsparMarcasiteNoneNot in a structural groupPyriteQuartzSphalerite
StibniteZinkenite

15 IMA Minerals at location:
Antimony  (*)Arsenopyrite  (*)Beryl  (*)Kermesite  (*)Kyanite  (*)
Marcasite  (*)Microcline  (*)Orthoclase  (*)Plagionite  (*)Pyrite  (*)
Quartz  (*)Semseyite  (*)Sphalerite  (*)Stibnite  (*)Zinkenite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Antimony  (*)ArsenicSb153127363
Arsenopyrite  (*)ArsenopyriteFeAsS1531279052
Beryl  (*)BerylBe3Al2Si6O1804286
Kermesite  (*)NoneSb2OS2153127230
Kyanite  (*)Not in a structural groupAl2OSiO401507
Marcasite  (*)MarcasiteFeS21531275674
Microcline  (*)FeldsparK(AlSi3O8)04924
Orthoclase  (*)FeldsparK(AlSi3O8)02349
Plagionite  (*)NonePb5Sb8S17153127100
Pyrite  (*)PyriteFeS215312739462
Quartz  (*)QuartzSiO215312761156
Semseyite  (*)NonePb9Sb8S21153127165
Sphalerite  (*)SphaleriteZnS15312721482
Stibnite  (*)StibniteSb2S31531273418
Zinkenite  (*)ZinkenitePb9Sb22S42153127228


No ages have been assigned to this locality yet.
SampleSource LocalityReference URL

All locality data graciously provided by mindat.org

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