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:
Hejná, Horažďovice, Klatovy District, Plzeň Region, Czech Republic


mindat Locality ID: 228677
mindat URL: http://www.mindat.org/loc-228677.html

Tectonic Settings:

Total number of sublocalities beneath "Hejná, Horažďovice, Klatovy District, Plzeň Region, Czech Republic": 1
Total number of bottom-level sublocalities: 1

Number of Child Localities: 1
Child Localities:
Radvanka

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 C Ca F Fe H K Mg O S Si 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AmorphousAmphiboleCalciteClayHumiteMicaNickelineNoneOlivinePalygorskite
PyritePyroxeneQuartzSpinelTalcWollastonite

17 IMA Minerals at location:
Ankerite  (*)Calcite  (*)Clinohumite  (*)Diopside  (*)Dolomite  (*)
Forsterite  (*)Graphite  (*)Opal  (*)Palygorskite  (*)Phlogopite  (*)
Pyrite  (*)Pyrrhotite  (*)Quartz  (*)Spinel  (*)Talc  (*)
Tremolite  (*)Wollastonite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Ankerite  (*)NoneCa(Fe2+,Mg)(CO3)21471753092
Calcite  (*)CalciteCa(CO3)14717527770
Clinohumite  (*)HumiteMg9(SiO4)4F2147175236
Diopside  (*)PyroxeneCaMgSi2O61471754135
Dolomite  (*)NoneCaMg(CO3)21471759895
Forsterite  (*)OlivineMg2(SiO4)1471751188
Graphite  (*)NoneC1471752812
Opal  (*)AmorphousSiO2·nH2O1471752994
Palygorskite  (*)Palygorskite Clay(Mg,Al)2Si4O10(OH)·4H2O147175306
Phlogopite  (*)Mica ClayKMg3(AlSi3O10)(OH)21471752273
Pyrite  (*)PyriteFeS214717539462
Pyrrhotite  (*)NickelineFe7S81471759056
Quartz  (*)QuartzSiO214717561156
Spinel  (*)SpinelMgAl2O41471751934
Talc  (*)Clay TalcMg3Si4O10(OH)21471753337
Tremolite  (*)Amphibole   Ca2(Mg5.0-4.5Fe2+0.0-0.5)Si8O22(OH)21471752562
Wollastonite  (*)WollastoniteCaSiO31471751247


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

All locality data graciously provided by mindat.org

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