Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
Log InRegister
Quick Links : The Mindat ManualThe Rock H. Currier Digital LibraryMindat Newsletter [Free Download]
Home PageAbout MindatThe Mindat ManualHistory of MindatCopyright StatusWho We AreContact UsAdvertise on Mindat
Donate to MindatCorporate SponsorshipSponsor a PageSponsored PagesMindat AdvertisersAdvertise on Mindat
Learning CenterWhat is a mineral?The most common minerals on earthInformation for EducatorsMindat ArticlesThe ElementsThe Rock H. Currier Digital LibraryGeologic TimeExplore Fossils
Minerals by PropertiesMinerals by ChemistryMineral Visual ExplorerAdvanced Locality SearchRandom MineralRandom LocalitySearch by minIDLocalities Near MeSearch ArticlesSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
Mining CompaniesStatisticsUsersMineral MuseumsClubs & OrganizationsMineral Shows & EventsThe Mindat DirectoryDevice SettingsThe Mineral QuizTime Machine
Photo SearchPhoto GalleriesSearch by ColorPhoto Colour ExplorerNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day GalleryPhotography

Antiniana (Scarfoglio), Pozzuoli, Metropolitan City of Naples, Campania, Italyi
Regional Level Types
Antiniana (Scarfoglio)Fumarole (Active)
PozzuoliCommune
Metropolitan City of NaplesMetropolitan City
CampaniaRegion
ItalyCountry

This page is currently not sponsored. Click here to sponsor this page.
PhotosMapsSearch
Latitude & Longitude (WGS84):
40° 49' 34'' North , 14° 8' 44'' East
Latitude & Longitude (decimal):
40.82616,14.14559
GeoHash:
G#: sr603bht8
GRN:
N28E08
Type:
Fumarole (Active) - last checked 2018
Köppen climate type:
Csa : Hot-summer Mediterranean climate
Nearest Settlements:
PlacePopulationDistance
Cigliano342 (2014)2.3km
Bagnoli24,671 (2011)2.4km
Cofanara I282 (2014)2.9km
Pozzuoli45,575 (2015)4.7km
Montagna Spaccata108 (2014)5.3km
Mindat Locality ID:
302566
Long-form identifier:
mindat:1:2:302566:9
GUID (UUID V4):
0
Name(s) in local language(s):
Antiniana (Scarfoglio), Pozzuoli, Campi Flegrei, Provincia di Napoli, Complesso vulcanico flegreo, Campania, Italia


Fumarolic field outside the Solfatara crater wall, not far from Pisciarelli di Agnano. This locality is known as Antiniana, however, according to more recent toponymy, it should be indicated as Scarfoglio.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


19 valid minerals.

Detailed Mineral List:

ⓘ Aluminite ?
Formula: Al2(SO4)(OH)4 · 7H2O
ⓘ Aluminocoquimbite
Formula: Al2Fe2(SO4)6(H2O)12 · 6H2O
ⓘ Alum-(K)
Formula: KAl(SO4)2 · 12H2O
ⓘ Alunite
Formula: KAl3(SO4)2(OH)6
ⓘ Alunogen
Formula: Al2(SO4)3 · 17H2O
ⓘ Gypsum
Formula: CaSO4 · 2H2O
ⓘ Halotrichite
Formula: FeAl2(SO4)4 · 22H2O
ⓘ Hydrohalloysite
Formula: Al2Si2O5(OH)4 · 2H2O
ⓘ Krausite
Formula: KFe(SO4)2 · H2O
ⓘ Magnesiocopiapite
Formula: MgFe3+4(SO4)6(OH)2 · 20H2O
ⓘ Magnesiovoltaite ?
Formula: K2Mg5Fe3+3Al(SO4)12 · 18H2O
ⓘ Metavoltine
Formula: K2Na6Fe2+Fe3+6O2(SO4)12 · 18H2O
ⓘ Native Sulphur
Formula: S8
ⓘ Opal
Formula: SiO2 · nH2O
ⓘ Pertlikite ?
Formula: K2(Fe2+,Mg)2(Mg,Fe3+)4Fe3+2Al(SO4)12 · 18H2O
ⓘ Pickeringite
Formula: MgAl2(SO4)4 · 22H2O
ⓘ Römerite
Formula: Fe2+Fe3+2(SO4)4 · 14H2O
ⓘ Tamarugite
Formula: NaAl(SO4)2 · 6H2O
ⓘ Voltaite
Formula: K2Fe2+5Fe3+3Al(SO4)12 · 18H2O

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘNative Sulphur1.CC.05S8
Group 4 - Oxides and Hydroxides
ⓘOpal4.DA.10SiO2 · nH2O
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘAlunite7.BC.10KAl3(SO4)2(OH)6
ⓘAlunogen7.CB.45Al2(SO4)3 · 17H2O
ⓘAluminocoquimbite7.CB.50Al2Fe2(SO4)6(H2O)12 · 6H2O
ⓘRömerite7.CB.75Fe2+Fe3+2(SO4)4 · 14H2O
ⓘHalotrichite7.CB.85FeAl2(SO4)4 · 22H2O
ⓘPickeringite7.CB.85MgAl2(SO4)4 · 22H2O
ⓘKrausite7.CC.05KFe(SO4)2 · H2O
ⓘTamarugite7.CC.10NaAl(SO4)2 · 6H2O
ⓘAlum-(K)7.CC.20KAl(SO4)2 · 12H2O
ⓘVoltaite7.CC.25K2Fe2+5Fe3+3Al(SO4)12 · 18H2O
ⓘPertlikite ?7.CC.25K2(Fe2+,Mg)2(Mg,Fe3+)4Fe3+2Al(SO4)12 · 18H2O
ⓘMagnesiovoltaite ?7.CC.25K2Mg5Fe3+3Al(SO4)12 · 18H2O
ⓘGypsum7.CD.40CaSO4 · 2H2O
ⓘMagnesiocopiapite7.DB.35MgFe3+4(SO4)6(OH)2 · 20H2O
ⓘAluminite ?7.DC.05Al2(SO4)(OH)4 · 7H2O
ⓘMetavoltine7.DF.35K2Na6Fe2+Fe3+6O2(SO4)12 · 18H2O
Group 9 - Silicates
ⓘHydrohalloysite9.ED.10Al2Si2O5(OH)4 · 2H2O

List of minerals for each chemical element

HHydrogen
Hⓘ AluminiteAl2(SO4)(OH)4 · 7H2O
Hⓘ AluniteKAl3(SO4)2(OH)6
Hⓘ AlunogenAl2(SO4)3 · 17H2O
Hⓘ GypsumCaSO4 · 2H2O
Hⓘ HalotrichiteFeAl2(SO4)4 · 22H2O
Hⓘ KrausiteKFe(SO4)2 · H2O
Hⓘ MagnesiocopiapiteMgFe43+(SO4)6(OH)2 · 20H2O
Hⓘ MetavoltineK2Na6Fe2+Fe63+O2(SO4)12 · 18H2O
Hⓘ OpalSiO2 · nH2O
Hⓘ PickeringiteMgAl2(SO4)4 · 22H2O
Hⓘ Alum-(K)KAl(SO4)2 · 12H2O
Hⓘ RömeriteFe2+Fe23+(SO4)4 · 14H2O
Hⓘ TamarugiteNaAl(SO4)2 · 6H2O
Hⓘ VoltaiteK2Fe52+Fe33+Al(SO4)12 · 18H2O
Hⓘ HydrohalloysiteAl2Si2O5(OH)4 · 2H2O
Hⓘ PertlikiteK2(Fe2+,Mg)2(Mg,Fe3+)4Fe23+Al(SO4)12 · 18H2O
Hⓘ AluminocoquimbiteAl2Fe2(SO4)6(H2O)12 · 6H2O
Hⓘ MagnesiovoltaiteK2Mg5Fe33+Al(SO4)12 · 18H2O
OOxygen
Oⓘ AluminiteAl2(SO4)(OH)4 · 7H2O
Oⓘ AluniteKAl3(SO4)2(OH)6
Oⓘ AlunogenAl2(SO4)3 · 17H2O
Oⓘ GypsumCaSO4 · 2H2O
Oⓘ HalotrichiteFeAl2(SO4)4 · 22H2O
Oⓘ KrausiteKFe(SO4)2 · H2O
Oⓘ MagnesiocopiapiteMgFe43+(SO4)6(OH)2 · 20H2O
Oⓘ MetavoltineK2Na6Fe2+Fe63+O2(SO4)12 · 18H2O
Oⓘ OpalSiO2 · nH2O
Oⓘ PickeringiteMgAl2(SO4)4 · 22H2O
Oⓘ Alum-(K)KAl(SO4)2 · 12H2O
Oⓘ RömeriteFe2+Fe23+(SO4)4 · 14H2O
Oⓘ TamarugiteNaAl(SO4)2 · 6H2O
Oⓘ VoltaiteK2Fe52+Fe33+Al(SO4)12 · 18H2O
Oⓘ HydrohalloysiteAl2Si2O5(OH)4 · 2H2O
Oⓘ PertlikiteK2(Fe2+,Mg)2(Mg,Fe3+)4Fe23+Al(SO4)12 · 18H2O
Oⓘ AluminocoquimbiteAl2Fe2(SO4)6(H2O)12 · 6H2O
Oⓘ MagnesiovoltaiteK2Mg5Fe33+Al(SO4)12 · 18H2O
NaSodium
Naⓘ MetavoltineK2Na6Fe2+Fe63+O2(SO4)12 · 18H2O
Naⓘ TamarugiteNaAl(SO4)2 · 6H2O
MgMagnesium
Mgⓘ MagnesiocopiapiteMgFe43+(SO4)6(OH)2 · 20H2O
Mgⓘ PickeringiteMgAl2(SO4)4 · 22H2O
Mgⓘ PertlikiteK2(Fe2+,Mg)2(Mg,Fe3+)4Fe23+Al(SO4)12 · 18H2O
Mgⓘ MagnesiovoltaiteK2Mg5Fe33+Al(SO4)12 · 18H2O
AlAluminium
Alⓘ AluminiteAl2(SO4)(OH)4 · 7H2O
Alⓘ AluniteKAl3(SO4)2(OH)6
Alⓘ AlunogenAl2(SO4)3 · 17H2O
Alⓘ HalotrichiteFeAl2(SO4)4 · 22H2O
Alⓘ PickeringiteMgAl2(SO4)4 · 22H2O
Alⓘ Alum-(K)KAl(SO4)2 · 12H2O
Alⓘ TamarugiteNaAl(SO4)2 · 6H2O
Alⓘ VoltaiteK2Fe52+Fe33+Al(SO4)12 · 18H2O
Alⓘ HydrohalloysiteAl2Si2O5(OH)4 · 2H2O
Alⓘ PertlikiteK2(Fe2+,Mg)2(Mg,Fe3+)4Fe23+Al(SO4)12 · 18H2O
Alⓘ AluminocoquimbiteAl2Fe2(SO4)6(H2O)12 · 6H2O
Alⓘ MagnesiovoltaiteK2Mg5Fe33+Al(SO4)12 · 18H2O
SiSilicon
Siⓘ OpalSiO2 · nH2O
Siⓘ HydrohalloysiteAl2Si2O5(OH)4 · 2H2O
SSulfur
Sⓘ AluminiteAl2(SO4)(OH)4 · 7H2O
Sⓘ AluniteKAl3(SO4)2(OH)6
Sⓘ AlunogenAl2(SO4)3 · 17H2O
Sⓘ GypsumCaSO4 · 2H2O
Sⓘ HalotrichiteFeAl2(SO4)4 · 22H2O
Sⓘ KrausiteKFe(SO4)2 · H2O
Sⓘ MagnesiocopiapiteMgFe43+(SO4)6(OH)2 · 20H2O
Sⓘ MetavoltineK2Na6Fe2+Fe63+O2(SO4)12 · 18H2O
Sⓘ PickeringiteMgAl2(SO4)4 · 22H2O
Sⓘ Alum-(K)KAl(SO4)2 · 12H2O
Sⓘ RömeriteFe2+Fe23+(SO4)4 · 14H2O
Sⓘ Native SulphurS8
Sⓘ TamarugiteNaAl(SO4)2 · 6H2O
Sⓘ VoltaiteK2Fe52+Fe33+Al(SO4)12 · 18H2O
Sⓘ PertlikiteK2(Fe2+,Mg)2(Mg,Fe3+)4Fe23+Al(SO4)12 · 18H2O
Sⓘ AluminocoquimbiteAl2Fe2(SO4)6(H2O)12 · 6H2O
Sⓘ MagnesiovoltaiteK2Mg5Fe33+Al(SO4)12 · 18H2O
KPotassium
Kⓘ AluniteKAl3(SO4)2(OH)6
Kⓘ KrausiteKFe(SO4)2 · H2O
Kⓘ MetavoltineK2Na6Fe2+Fe63+O2(SO4)12 · 18H2O
Kⓘ Alum-(K)KAl(SO4)2 · 12H2O
Kⓘ VoltaiteK2Fe52+Fe33+Al(SO4)12 · 18H2O
Kⓘ PertlikiteK2(Fe2+,Mg)2(Mg,Fe3+)4Fe23+Al(SO4)12 · 18H2O
Kⓘ MagnesiovoltaiteK2Mg5Fe33+Al(SO4)12 · 18H2O
CaCalcium
Caⓘ GypsumCaSO4 · 2H2O
FeIron
Feⓘ HalotrichiteFeAl2(SO4)4 · 22H2O
Feⓘ KrausiteKFe(SO4)2 · H2O
Feⓘ MagnesiocopiapiteMgFe43+(SO4)6(OH)2 · 20H2O
Feⓘ MetavoltineK2Na6Fe2+Fe63+O2(SO4)12 · 18H2O
Feⓘ RömeriteFe2+Fe23+(SO4)4 · 14H2O
Feⓘ VoltaiteK2Fe52+Fe33+Al(SO4)12 · 18H2O
Feⓘ PertlikiteK2(Fe2+,Mg)2(Mg,Fe3+)4Fe23+Al(SO4)12 · 18H2O
Feⓘ AluminocoquimbiteAl2Fe2(SO4)6(H2O)12 · 6H2O
Feⓘ MagnesiovoltaiteK2Mg5Fe33+Al(SO4)12 · 18H2O

Other Regions, Features and Areas containing this locality

Eurasian PlateTectonic Plate
EuropeContinent
Italy

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

Russo, M., Campostrini, I., Demartin, F. (2017) I minerali di origine fumarolica dei Campi Flegrei: Solfatara di Pozzuoli (Napoli) e dintorni [The fumarolic minerals of the Phlegraean Fields: Solfatara of Pozzuoli (Naples) and surroundings]. Micro, 15 (3). 122-192
Quick NavTopMineral ListOther RegionsReferences
 
and/or  
Mindat.org® is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization. Mindat® and mindat.org® are registered trademarks of the Hudson Institute of Mineralogy.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2026, except where stated. Most political location boundaries are © OpenStreetMap contributors. Mindat.org relies on the contributions of thousands of members and supporters. Founded in 2000 by Jolyon Ralph and Ida Chau.
Content on this site may not be used to train, fine-tune, or otherwise develop artificial intelligence or machine learning models without prior written permission - see our Terms & Conditions.
To cite: Ralph, J., Von Bargen, D., Martynov, P., Zhang, J., Que, X., Prabhu, A., Morrison, S. M., Li, W., Chen, W., & Ma, X. (2025). Mindat.org: The open access mineralogy database to accelerate data-intensive geoscience research. American Mineralogist, 110(6), 833–844. doi:10.2138/am-2024-9486.
Privacy Policy - Terms & Conditions - Contact Us / DMCA issues - Report a bug/vulnerability Current server date and time: September 3, 2026 00:56:54 Page updated: August 17, 2025 19:34:43
Go to top of page