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:
Redington Mine (Boston Mine; Knoxville Mine; Excellsior Mine), Knoxville, Knoxville District, Napa Co., California, USA


mindat Locality ID: 3490
mindat URL: http://www.mindat.org/loc-3490.html

Tectonic Settings:

Total number of sublocalities beneath "Redington Mine (Boston Mine; Knoxville Mine; Excellsior Mine), Knoxville, Knoxville District, Napa Co., California, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 38°49'31"N
Longitude: 122°20'20"W
Decimal Degree (lat, lon): 38.825277777778,-122.33888888889
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 C Cl Cr Fe H Hg K Mg Mn Na O S Sb Si 

Elements from minerals reported directly at this locality: Al As C Cl Cr Fe H Hg K Mg Mn Na O S Sb Si 

Structural Groups for minerals in this locality: 
AmarantiteAmorphousArsenopyriteBotryogenCalciteCopiapiteCoquimbiteEpsomiteHalotrichiteMarcasite
MelanteriteNoneNot in a structural groupQuartzRutileSphaleriteSpinelStibniteSulphurVoltaite

25 IMA Minerals at location:
Arsenopyrite  (*)Botryogen  (*)Calomel  (*)Chromite  (*)Cinnabar  (*)
Copiapite  (*)Coquimbite  (*)Epsomite  (*)Fibroferrite  (*)Hohmannite  (*)
Idrialite  (*)Magnesiocopiapite  (*)Magnesite  (*)Marcasite  (*)Melanterite  (*)
Metacinnabar  (*)Mirabilite  (*)Opal  (*)Pyrolusite  (*)Quartz  (*)
Redingtonite  (*)Siderite  (*)Stibnite  (*)Sulphur  (*)Voltaite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Arsenopyrite  (*)ArsenopyriteFeAsS09052
Botryogen  (*)BotryogenMgFe3+(SO4)2(OH)·7H2O045
Calomel  (*)NoneHgCl091
Chromite  (*)SpinelFe2+Cr2O403902
Cinnabar  (*)NoneHgS02600
Copiapite  (*)CopiapiteFe2+Fe3+4(SO4)6(OH)2·20H2O0382
Coquimbite  (*)CoquimbiteAlFe3(SO4)6(H2O)12·6H2O0136
Epsomite  (*)EpsomiteMg(SO4)·7H2O0484
Fibroferrite  (*)Not in a structural groupFe3+(SO4)(OH)·5H2O0107
Hohmannite  (*)AmarantiteFe3+2O(SO4)2·8H2O010
Idrialite  (*)NoneC22H14015
Magnesiocopiapite  (*)CopiapiteMgFe3+4(SO4)6(OH)2·20H2O054
Magnesite  (*)CalciteMg(CO3)01487
Marcasite  (*)MarcasiteFeS205674
Melanterite  (*)MelanteriteFe(SO4)·7H2O0915
Metacinnabar  (*)SphaleriteHgS0255
Mirabilite  (*)NoneNa2(SO4)·10H2O0223
Opal  (*)AmorphousSiO2·nH2O02994
Pyrolusite  (*)RutileMnO203106
Quartz  (*)QuartzSiO2061156
Redingtonite  (*)HalotrichiteFe2+Cr2(SO4)4·22H2O02
Siderite  (*)CalciteFe(CO3)06417
Stibnite  (*)StibniteSb2S303418
Sulphur  (*)SulphurS02045
Voltaite  (*)VoltaiteK2Fe2+5Fe3+3Al(SO4)12·18H2O0111


No ages have been assigned to this locality yet.
SampleSource LocalityReference URL
R070581Redington Mine (Boston Mine; Knoxville Mine; Excellsior Mine), Knoxville, Knoxville District, Napa Co., California, USAhttps://rruff.info/R070581

All locality data graciously provided by mindat.org

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