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:
Darkov Mine, Karviná District, Moravian-Silesian Region, Czech Republic


mindat Locality ID: 268766
mindat URL: http://www.mindat.org/loc-268766.html

Tectonic Settings:

Total number of sublocalities beneath "Darkov Mine, Karviná District, Moravian-Silesian Region, Czech Republic": 4
Total number of bottom-level sublocalities: 3

Number of Child Localities: 2
Child Localities:
1. Máj Mine
9. Květen Mine

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 Cu Fe H Mg Na O S 

Elements from minerals reported directly at this locality: Al Fe H Mg Na O S 

Structural Groups for minerals in this locality: 
ChalcanthiteCopiapiteHalotrichiteHexahydriteMelanteriteNoneStarkeyiteSulphurTamarugite

12 IMA Minerals at location:
Halotrichite  (*)Hexahydrite  (*)Magnesiocopiapite  (*)Melanterite  (*)Metasideronatrite  (*)
Pickeringite  (*)Rozenite  (*)Sideronatrite  (*)Siderotil  (*)Starkeyite  (*)
Sulphur  (*)Tamarugite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Halotrichite  (*)HalotrichiteFe2+Al2(SO4)4·22H2O0409
Hexahydrite  (*)HexahydriteMg(SO4)·6H2O0251
Magnesiocopiapite  (*)CopiapiteMgFe3+4(SO4)6(OH)2·20H2O054
Melanterite  (*)MelanteriteFe(SO4)·7H2O0915
Metasideronatrite  (*)NoneNa2Fe3+(SO4)2(OH)·H2O028
Pickeringite  (*)HalotrichiteMgAl2(SO4)4·22H2O0265
Rozenite  (*)StarkeyiteFe2+(SO4)·4H2O0293
Sideronatrite  (*)NoneNa2Fe3+(SO4)2(OH)·3H2O073
Siderotil  (*)ChalcanthiteFe(SO4)·5H2O084
Starkeyite  (*)StarkeyiteMg(SO4)·4H2O079
Sulphur  (*)SulphurS02045
Tamarugite  (*)TamarugiteNaAl(SO4)2·6H2O087



No ages have been assigned to this locality yet.

SampleSource LocalityReference URL


All locality data graciously provided by mindat.org

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