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:
Jeclov, Jihlava (Iglau), Jihlava District, Vysočina Region, Czech Republic

Oldest recorded age at locality: 340
Youngest recorded age at locality: 326

mindat Locality ID: 204322
mindat URL: http://www.mindat.org/loc-204322.html

Tectonic Settings:

Total number of sublocalities beneath "Jeclov, Jihlava (Iglau), Jihlava District, Vysočina Region, Czech Republic": 0
Total number of bottom-level sublocalities: 0

Latitude: 49°22'47"N
Longitude: 15°40'19"E
Decimal Degree (lat, lon): 49.379722222222,15.671944444444

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 B Be Ca Cs F Fe H K Li Mn Na O P S Si 

Elements from minerals reported directly at this locality: Al As B Be Ca Cs F Fe H K Li Mn Na O P S Si 

Structural Groups for minerals in this locality: 
AnalcimeArsenopyriteBerylClayFeldsparFluoriteGarnetLöllingiteMicaNone
Not in a structural groupPharmacosideriteQuartzTitaniteTopazTourmaline

17 IMA Minerals at location:
Albite  (*)Arsenopyrite  (*)Bertrandite  (*)Beryl  (*)Fluorite  (*)
Lacroixite  (*)Löllingite  (*)Microcline  (*)Muscovite  (*)Orthoclase  (*)
Petalite  (*)Pharmacosiderite  (*)Pollucite  (*)Quartz  (*)Schorl  (*)
Spessartine  (*)Topaz  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Albite  (*)FeldsparNa(AlSi3O8)34032608803
Arsenopyrite  (*)ArsenopyriteFeAsS34032609052
Bertrandite  (*)Not in a structural groupBe4Si2O7(OH)23403260606
Beryl  (*)BerylBe3Al2Si6O1834032604286
Fluorite  (*)FluoriteCaF234032609617
Lacroixite  (*)TitaniteNaAl(PO4)F340326022
Löllingite  (*)LöllingiteFeAs23403260762
Microcline  (*)FeldsparK(AlSi3O8)34032604924
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)2340326017380
Orthoclase  (*)FeldsparK(AlSi3O8)34032602349
Petalite  (*)Not in a structural groupLiAlSi4O103403260124
Pharmacosiderite  (*)PharmacosideriteKFe3+4(AsO4)3(OH)4·6-7H2O3403260428
Pollucite  (*)AnalcimeCs(Si2Al)O6·nH2O3403260140
Quartz  (*)QuartzSiO2340326061156
Schorl  (*)TourmalineNaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)34032602705
Spessartine  (*)GarnetMn2+3Al2(SiO4)334032601214
Topaz  (*)TopazAl2SiO4F234032601476



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
Alexandra-0400340326333 ± 7U-PbAge of pegmatitetantalite-(mn)JEC1001  Tantalite-(Mn)  204322Jeclov, Jihlava (Iglau), Jihlava District, Vysočina Region, Czech RepublicJeclovMelleton et al. (2012)10.3749/canmin.50.6.1751CM50_1751 


SampleSource LocalityReference URL


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