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:
Kropfmühl, Kropfmühl-Untergriesbach Graphite Mining District, Untergriesbach, Lower Bavaria, Bavaria, Germany


mindat Locality ID: 146294
mindat URL: http://www.mindat.org/loc-146294.html

Tectonic Settings:

Total number of sublocalities beneath "Kropfmühl, Kropfmühl-Untergriesbach Graphite Mining District, Untergriesbach, Lower Bavaria, Bavaria, Germany": 2
Total number of bottom-level sublocalities: 2

Number of Child Localities: 2
Child Localities:
Kropfmühl Mine
Schellesreuth Shaft

Latitude: 48°37'19"N
Longitude: 13°39'35"E
Decimal Degree (lat, lon): 48.621944444444,13.659722222222

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 B C Ca F Fe H Mg Na O P S Si Th Zr 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AmphiboleClayCorundumEpsomiteEttringiteHumiteNoneOlivinePyriteSerpentine
Smectite-vermiculiteSpinelTourmalineVivianiteZircon

18 IMA Minerals at location:
Anthophyllite  (*)Antigorite  (*)Chrysotile  (*)Clinohumite  (*)Corundum  (*)
Dravite  (*)Epsomite  (*)Ettringite  (*)Forsterite  (*)Graphite  (*)
Montmorillonite  (*)Pyrite  (*)Spinel  (*)Strätlingite  (*)Thorite  (*)
Vermiculite  (*)Vivianite  (*)Zircon  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Anthophyllite  (*)Amphibole   Mg2Mg5Si8O22(OH)2158321718
Antigorite  (*)Serpentine ClayMg3Si2O5(OH)4158320708
Chrysotile  (*)Serpentine ClayMg3Si2O5(OH)4158320951
Clinohumite  (*)HumiteMg9(SiO4)4F2158321236
Corundum  (*)CorundumAl2O31583201797
Dravite  (*)TourmalineNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)158320648
Epsomite  (*)EpsomiteMg(SO4)·7H2O158320484
Ettringite  (*)EttringiteCa6Al2(SO4)3(OH)12·27H2O15832093
Forsterite  (*)OlivineMg2(SiO4)1583201188
Graphite  (*)NoneC258320,583212812
Montmorillonite  (*)Clay Smectite-vermiculite(Na,Ca)0.3(Al,Mg)2Si4O10(OH)2·nH2O1583201508
Pyrite  (*)PyriteFeS215832039462
Spinel  (*)SpinelMgAl2O4258320,583211934
Strätlingite  (*)NoneCa2Al(Si,Al)2O2(OH)10·2.25H2O15832011
Thorite  (*)ZirconTh(SiO4)1583201006
Vermiculite  (*)Clay Smectite-vermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4·8H2O158320652
Vivianite  (*)VivianiteFe2+3(PO4)2·8H2O158320636
Zircon  (*)ZirconZr(SiO4)1583205251



No ages have been assigned to this locality yet.

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All locality data graciously provided by mindat.org

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