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:
Bocca Grande Fumarole, Solfatara Di Pozzuoli, Pozzuoli, Phlegrean Fields, Naples, Campania, Italy


mindat Locality ID: 271003
mindat URL: http://www.mindat.org/loc-271003.html

Tectonic Settings:

Total number of sublocalities beneath "Bocca Grande Fumarole, Solfatara Di Pozzuoli, Pozzuoli, Phlegrean Fields, Naples, Campania, Italy": 0
Total number of bottom-level sublocalities: 0

Latitude: 40°49'41"N
Longitude: 14°8'30"E
Decimal Degree (lat, lon): 40.828055555556,14.141666666667

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 B Br Ca Cl Fe H K Mg N Na O S Si 

Elements from minerals reported directly at this locality: Al As B Br Ca Cl Fe H K Mg N Na O S Si 

Structural Groups for minerals in this locality: 
AdranositeAlumAmorphousArcaniteClayGypsumHalotrichiteKaoliniteLangbeiniteLucabindiite
NoneNot in a structural groupSabieiteSulphurTamarugite

23 IMA Minerals at location:
Adranosite  (*)Adranosite-(Fe)  (*)Alacránite  (*)Alunite  (*)Alunogen  (*)
Dimorphite  (*)Efremovite  (*)Godovikovite  (*)Gypsum  (*)Halotrichite  (*)
Huizingite-(Al)  (*)Halloysite-10Å  (*)Lucabindiite  (*)Mascagnite  (*)Opal  (*)
Pararealgar  (*)Realgar  (*)Russoite  (*)Salammoniac  (*)Sassolite  (*)
Sulphur  (*)Tamarugite  (*)Tschermigite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Adranosite  (*)Adranosite(NH4)4NaAl2(SO4)4Cl(OH)204
Adranosite-(Fe)  (*)Adranosite(NH4)4NaFe2(SO4)4Cl(OH)206
Alacránite  (*)Not in a structural groupAs8S9018
Alunite  (*)NoneKAl3(SO4)2(OH)60966
Alunogen  (*)Not in a structural groupAl2(SO4)3(H2O)12·5H2O0272
Dimorphite  (*)NoneAs4S305
Efremovite  (*)Langbeinite(NH4)2Mg2(SO4)3013
Godovikovite  (*)Sabieite(NH4)Al(SO4)2019
Gypsum  (*)GypsumCa(SO4)·2H2O06890
Halotrichite  (*)HalotrichiteFe2+Al2(SO4)4·22H2O0409
Huizingite-(Al)  (*)Not in a structural group(NH4)9Al3(SO4)8(OH)2·4H2O02
Halloysite-10Å  (*)Clay KaoliniteAl2Si2O5(OH)4·2H2O062
Lucabindiite  (*)Lucabindiite(K,NH4)As4O6(Cl,Br)04
Mascagnite  (*)Arcanite(NH4)2(SO4)061
Opal  (*)AmorphousSiO2·nH2O02994
Pararealgar  (*)NoneAs4S4057
Realgar  (*)NoneAsS0712
Russoite  (*)None(NH4)ClAs2O3(H2O)0.501
Salammoniac  (*)None(NH4)Cl0105
Sassolite  (*)NoneB(OH)3031
Sulphur  (*)SulphurS02045
Tamarugite  (*)TamarugiteNaAl(SO4)2·6H2O087
Tschermigite  (*)Alum(NH4)Al(SO4)2·12H2O081



No ages have been assigned to this locality yet.

SampleSource LocalityReference URL


All locality data graciously provided by mindat.org

All age data...

Other copyright data...