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:
Kladno Mine (Nejedlý I Mine; Zdeněk Nejedlý Mine; Schoeller Mine; Schöller Mine), Libušin, Kladno District, Central Bohemian Region, Czech Republic

Oldest recorded age at locality: 313
Youngest recorded age at locality: 0

mindat Locality ID: 13670
mindat URL: http://www.mindat.org/loc-13670.html

Tectonic Settings:

Total number of sublocalities beneath "Kladno Mine (Nejedlý I Mine; Zdeněk Nejedlý Mine; Schoeller Mine; Schöller Mine), Libušin, Kladno District, Central Bohemian Region, Czech Republic": 0
Total number of bottom-level sublocalities: 0

Latitude: 50°9'45"N
Longitude: 14°1'47"E
Decimal Degree (lat, lon): 50.1625,14.029722222222
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 C Ca Cl F Fe H Mg N Na O S Se Si 

Elements from minerals reported directly at this locality: Al C Ca Cl F Fe H Mg N Na O S Se Si 

Structural Groups for minerals in this locality: 
AlumArcaniteBerylCopiapiteFeldsparHalotrichiteKhademiteLangbeiniteMillosevichiteNone
Not in a structural groupPicromeriteQuartzRhabdophaneSabieiteSulphur

24 IMA Minerals at location:
Albite  (*)Alunogen  (*)Bassanite  (*)Boussingaultite  (*)Cordierite  (*)
Cryptohalite  (*)Efremovite  (*)Godovikovite  (*)Hoelite  (*)Indialite  (*)
Khademite  (*)Kladnoite  (*)Kratochvílite  (*)Lesukite  (*)Magnesiocopiapite  (*)
Mascagnite  (*)Millosevichite  (*)Mullite  (*)Pickeringite  (*)Quartz  (*)
Rostite  (*)Salammoniac  (*)Selenium  (*)Tschermigite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Albite  (*)FeldsparNa(AlSi3O8)0008803
Alunogen  (*)Not in a structural groupAl2(SO4)3(H2O)12·5H2O000272
Bassanite  (*)RhabdophaneCa(SO4)·0.5H2O00082
Boussingaultite  (*)Picromerite(NH4)2Mg(SO4)2·6H2O00030
Cordierite  (*)BerylMg2Al4Si5O180001008
Cryptohalite  (*)None(NH4)2SiF600014
Efremovite  (*)Langbeinite(NH4)2Mg2(SO4)300013
Godovikovite  (*)Sabieite(NH4)Al(SO4)200019
Hoelite  (*)NoneC14H8O20004
Indialite  (*)BerylMg2Al3(AlSi5)O1800024
Khademite  (*)KhademiteAl(SO4)F·5H2O00015
Kladnoite  (*)NoneC6H4(CO)2NH0004
Kratochvílite  (*)NoneC13H100003
Lesukite  (*)NoneAl2(OH)5Cl·2H2O00010
Magnesiocopiapite  (*)CopiapiteMgFe3+4(SO4)6(OH)2·20H2O00054
Mascagnite  (*)Arcanite(NH4)2(SO4)00061
Millosevichite  (*)MillosevichiteAl2(SO4)300020
Mullite  (*)NoneAl4+2xSi2-2xO10-x (x ≈ 0.4)00078
Pickeringite  (*)HalotrichiteMgAl2(SO4)4·22H2O000265
Quartz  (*)QuartzSiO200061156
Rostite  (*)KhademiteAl(SO4)(OH)·5H2O00010
Salammoniac  (*)None(NH4)Cl000105
Selenium  (*)SulphurSe000143
Tschermigite  (*)Alum(NH4)Al(SO4)2·12H2O00081


Locality Notes from all Ages at Locality:
Age IDLocality Notes
Michelle_564Whewellite is found in association with Westphalian age freshwater sediments of the Kladno Coal Basin. Large whewellite crystals are found on dislocations of girdles or on cracks in basal breccia resting on Proterozoic basement. Whewellite has not been found directly in the coal beds.


2 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
Michelle_564313304Westphalian Age of freshwater sediments   YesWhewellite 780Kladno District, Central Bohemian Region, Czech RepublicKladno Coal BasinZak and Skala (1993)10.1016/0009-2541(93)90169-JCG106_123Age of freshwater sediments
Michelle_0026000 Age of mining      13670Kladno Mine (Nejedlý I Mine; Zdeněk Nejedlý Mine; Schoeller Mine; Schöller Mine), Libušin, Kladno District, Central Bohemian Region, Czech RepublicKladno MineRost (1946) AM31_605Kladnoite is found as a result of anthropogenic mining activity.

SampleSource LocalityReference URL
R061022Kladno Mine (Nejedlý I Mine; Zdeněk Nejedlý Mine; Schoeller Mine; Schöller Mine), Libušin, Kladno District, Central Bohemian Region, Czech Republichttps://rruff.info/R061022

All locality data graciously provided by mindat.org

All age data...

Other copyright data...