Belkin, Harvey E., McAleer, Ryan J., De Vivo, Benedetto (2024) Ore mineralization in the Mofete and San Vito geothermal fields, Campi Flegrei volcanic complex, Naples, Italy. Journal of Geochemical Exploration, 265. 107556 doi:10.1016/j.gexplo.2024.107556

ⓘ Adranosite

Formula: (NH₄)₄NaAl₂(SO₄)₄Cl(OH)₂

Locality: "Bocca Grande" fumarole, Solfatara di Pozzuoli, Pozzuoli, Metropolitan City of Naples, Campania, Italy

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

ⓘ Adranosite-(Fe)

Formula: (NH₄)₄NaFe³⁺₂(SO₄)₄Cl(OH)₂

Localities:

"Bocca Grande" fumarole, Solfatara di Pozzuoli, Pozzuoli, Metropolitan City of Naples, Campania, Italy
Pisciarelli di Agnano, Pozzuoli, Metropolitan City of Naples, Campania, Italy

ⓘ Aegirine

Formula: NaFe³⁺Si₂O₆

Locality: Fondo Riccio, Pozzuoli, Metropolitan City of Naples, Campania, Italy

References:

Manasse, E. (1902 a) Rocce trachitiche del cratere di Fondo Riccio nei Campi Flegrei. I. Jalotrachite nera ad augite ed egirina. Atti della Reale Accademia dei Lincei, serie 5, Rendiconti, Classe di scienze fisiche, matematiche e naturali, 11 (1° semestre): 85-90

Manasse, E. (1902 b) Rocce trachitiche del cratere di Fondo Riccio nei Campi Flegrei. II. Jalotrachite rossa e grigio-cinerea ad augite ed egirina e tufo giallo. Atti della Reale Accademia dei Lincei, serie 5, Rendiconti, Classe di scienze fisiche, matematiche e naturali, 11 (1° semestre): 125-130

ⓘ Alacránite

Formula: As₈S₉

Locality: "Bocca Grande" fumarole, Solfatara di Pozzuoli, Pozzuoli, Metropolitan City of Naples, Campania, Italy

References:

ⓘ Alcaparrosaite ?

Formula: K₃Ti⁴⁺Fe³⁺(SO₄)₄O(H₂O)₂

Locality: Solfatara di Pozzuoli, Pozzuoli, Metropolitan City of Naples, Campania, Italy

References:

ⓘ 'Alum Group'

Formula: XAl(SO₄)₂ · 12H₂O

Locality: Solfatara di Pozzuoli, Pozzuoli, Metropolitan City of Naples, Campania, Italy

References:

70.1911encyclopedia.org (n.d.) http://70.1911encyclopedia.org/V/VO/VOLCANO.htm.

ⓘ Aluminite ?

Formula: Al₂(SO₄)(OH)₄ · 7H₂O

Localities:

Solfatara di Pozzuoli, Pozzuoli, Metropolitan City of Naples, Campania, Italy ? (more information)
Pisciarelli di Agnano, Pozzuoli, Metropolitan City of Naples, Campania, Italy ? (more information)
Antiniana (Scarfoglio), Pozzuoli, Metropolitan City of Naples, Campania, Italy ? (more information)

ⓘ Aluminocoquimbite

Formula: Al₂Fe₂(SO₄)₆(H₂O)₁₂ · 6H₂O

Localities:

Pisciarelli di Agnano, Pozzuoli, Metropolitan City of Naples, Campania, Italy
Antiniana (Scarfoglio), Pozzuoli, Metropolitan City of Naples, Campania, Italy

ⓘ Alum-(K) (TL)

Formula: KAl(SO₄)₂ · 12H₂O

Localities:

Solfatara di Pozzuoli, Pozzuoli, Metropolitan City of Naples, Campania, Italy
Pisciarelli di Agnano, Pozzuoli, Metropolitan City of Naples, Campania, Italy
Antiniana (Scarfoglio), Pozzuoli, Metropolitan City of Naples, Campania, Italy

Type Locality: Solfatara di Pozzuoli, Pozzuoli, Metropolitan City of Naples, Campania, Italy

ⓘ Alunite

Formula: KAl₃(SO₄)₂(OH)₆

Localities:

"Bocca Grande" fumarole, Solfatara di Pozzuoli, Pozzuoli, Metropolitan City of Naples, Campania, Italy
Antiniana (Scarfoglio), Pozzuoli, Metropolitan City of Naples, Campania, Italy
Pisciarelli di Agnano, Pozzuoli, Metropolitan City of Naples, Campania, Italy

ⓘ Alunogen

Formula: Al₂(SO₄)₃ · 17H₂O

Localities:

"Bocca Grande" fumarole, Solfatara di Pozzuoli, Pozzuoli, Metropolitan City of Naples, Campania, Italy
Pisciarelli di Agnano, Pozzuoli, Metropolitan City of Naples, Campania, Italy
Antiniana (Scarfoglio), Pozzuoli, Metropolitan City of Naples, Campania, Italy
Solfatara di Pozzuoli, Pozzuoli, Metropolitan City of Naples, Campania, Italy

ⓘ Amarillite ?

Formula: NaFe(SO₄)₂ · 6H₂O

Locality: Pisciarelli di Agnano, Pozzuoli, Metropolitan City of Naples, Campania, Italy

References:

Mormone, A., Piochi, M., Balassone, G., Strauss, H., Troise, C., & De Natale, G. (2015, April). Mineralogical and sulfur isotopic characterization of the sulfur-bearing mineralization from the active degassing area of Campi Flegrei caldera (southern Italy). In EGU General Assembly Conference Abstracts (Vol. 17).

ⓘ 'Amphibole Supergroup'

Formula: AB₂C₅(T₈O₂₂)W₂

Locality: Fondo Riccio, Pozzuoli, Metropolitan City of Naples, Campania, Italy

References:

ⓘ Anorthite

Formula: Ca(Al₂Si₂O₈)

Locality: Fondo Riccio, Pozzuoli, Metropolitan City of Naples, Campania, Italy

References:

ⓘ 'Apatite'

Formula: Ca₅(PO₄)₃A

Localities:

Fondo Riccio, Pozzuoli, Metropolitan City of Naples, Campania, Italy
San Vito geothermal field, Pozzuoli, Metropolitan City of Naples, Campania, Italy

ⓘ Aphthitalite ?

Formula: K₃Na(SO₄)₂

Locality: Solfatara di Pozzuoli, Pozzuoli, Metropolitan City of Naples, Campania, Italy

References:

ⓘ Arsenolite ?

Formula: As₂O₃

Locality: Solfatara di Pozzuoli, Pozzuoli, Metropolitan City of Naples, Campania, Italy

References:

ⓘ Arsenopyrite

Formula: FeAsS

Locality: Solfatara di Pozzuoli, Pozzuoli, Metropolitan City of Naples, Campania, Italy

References:

Pichler, H., (1970): Italienische Vulkangebiete II, Bornträger Berlin Stuttgart

ⓘ 'Arsenschwefel'

Formula: As₂S₃ · H₂O

Locality: Solfatara di Pozzuoli, Pozzuoli, Metropolitan City of Naples, Campania, Italy

ⓘ Augite

Formula: (Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆

Localities:

Fondo Riccio, Pozzuoli, Metropolitan City of Naples, Campania, Italy
Monte Olibano, Pozzuoli, Metropolitan City of Naples, Campania, Italy

ⓘ Baryte

Formula: BaSO₄

Locality: Solfatara di Pozzuoli, Pozzuoli, Metropolitan City of Naples, Campania, Italy

References:

ⓘ 'Biotite'

Formula: K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂

Localities:

Fondo Riccio, Pozzuoli, Metropolitan City of Naples, Campania, Italy
San Vito geothermal field, Pozzuoli, Metropolitan City of Naples, Campania, Italy

ⓘ Blödite

Formula: Na₂Mg(SO₄)₂ · 4H₂O

Locality: Solfatara di Pozzuoli, Pozzuoli, Metropolitan City of Naples, Campania, Italy

References:

ⓘ Calcite

Formula: CaCO₃

Locality: Monte Olibano, Pozzuoli, Metropolitan City of Naples, Campania, Italy

References:

vom Rath, G. (1866): Mineralogisch-geognostische Fragmente aus Italien. Zeitschrift der deutschen geologischen Gesellschaft, 18, 614ff

ⓘ Cassiterite

Formula: SnO₂

Locality: San Vito geothermal field, Pozzuoli, Metropolitan City of Naples, Campania, Italy

References:

ⓘ Chalcopyrite

Formula: CuFeS₂

Locality: San Vito geothermal field, Pozzuoli, Metropolitan City of Naples, Campania, Italy

References:

ⓘ 'Chlorite Group'

Locality: San Vito geothermal field, Pozzuoli, Metropolitan City of Naples, Campania, Italy

References:

ⓘ Clairite

Formula: (NH₄)₂Fe₃(SO₄)₄(OH)₃ · 3H₂O

Locality: Pisciarelli di Agnano, Pozzuoli, Metropolitan City of Naples, Campania, Italy

References:

ⓘ Clinozoisite

Formula: (CaCa)(AlAlAl)O[Si₂O₇][SiO₄](OH)

Locality: San Vito geothermal field, Pozzuoli, Metropolitan City of Naples, Campania, Italy

References:

ⓘ Coquimbite

Formula: AlFe₃(SO₄)₆(H₂O)₁₂ · 6H₂O

Locality: Solfatara di Pozzuoli, Pozzuoli, Metropolitan City of Naples, Campania, Italy

References:

De Michele, V. (1974) Guida mineralogica d'Italia. Istituto Geografico De Agostini.

ⓘ Dimorphite (TL)

Formula: As₄S₃

Localities:

Solfatara di Pozzuoli, Pozzuoli, Metropolitan City of Naples, Campania, Italy
"Bocca Grande" fumarole, Solfatara di Pozzuoli, Pozzuoli, Metropolitan City of Naples, Campania, Italy

Type Locality: Solfatara di Pozzuoli, Pozzuoli, Metropolitan City of Naples, Campania, Italy

ⓘ Diopside

Formula: CaMgSi₂O₆

Locality: San Vito geothermal field, Pozzuoli, Metropolitan City of Naples, Campania, Italy

References:

ⓘ 'Diopside-Hedenbergite Series'

Locality: Fondo Riccio, Pozzuoli, Metropolitan City of Naples, Campania, Italy

References:

Cannatelli, C., Lima, A., Bodnar, R.J., De Vivo, B., Webster, J.D., and Fedele, L. (2007) Geochemistry of melt inclusions from the Fondo Riccio and Minopoli 1 eruptions at Campi Flegrei (Italy). Chemical Geology, 237: 3–4: 418-432.

ⓘ Efremovite

Formula: (NH₄)₂Mg₂(SO₄)₃

Locality: "Bocca Grande" fumarole, Solfatara di Pozzuoli, Pozzuoli, Metropolitan City of Naples, Campania, Italy

References:

ⓘ Epidote

Formula: (CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)

Locality: San Vito geothermal field, Pozzuoli, Metropolitan City of Naples, Campania, Italy

References:

ⓘ Epsomite

Formula: MgSO₄ · 7H₂O

Locality: Solfatara di Pozzuoli, Pozzuoli, Metropolitan City of Naples, Campania, Italy

References:

Pichler, H., (1970): Italienische Vulkangebiete II, Bornträger Berlin Stuttgart

ⓘ Ferroefremovite (TL)

Formula: (NH₄)₂Fe²⁺₂(SO₄)₃

Type Locality:

References:

Kasatkin A.V., Plášil J., Škoda R., Campostrini I., Chukanov N.V., Agakhanov A.A., Karpenko V.Y. and Belakovskiy D.I. (2021) Ferroefremovite, (NH4)2Fe2+2(SO4)3, a new mineral from Solfatara di Pozzuoli, Campania, Italy. The Canadian Mineralogist: 59(1): 59–68.

ⓘ Fibroferrite ?

Formula: Fe³⁺(SO₄)(OH) · 5H₂O

Locality: Solfatara di Pozzuoli, Pozzuoli, Metropolitan City of Naples, Campania, Italy

References:

ⓘ Fluorite

Formula: CaF₂

Locality: San Vito geothermal field, Pozzuoli, Metropolitan City of Naples, Campania, Italy

References:

ⓘ Forsterite

Formula: Mg₂(SiO₄)

Locality: Fondo Riccio, Pozzuoli, Metropolitan City of Naples, Campania, Italy

Description: Its composition varies from Fo84.60 to Fo86.77

References:

ⓘ Galena

Formula: PbS

Locality: San Vito geothermal field, Pozzuoli, Metropolitan City of Naples, Campania, Italy

References:

ⓘ 'Glass'

Locality: Fondo Riccio, Pozzuoli, Metropolitan City of Naples, Campania, Italy

References:

ⓘ Glauberite ?

Formula: Na₂Ca(SO₄)₂

Locality: Solfatara di Pozzuoli, Pozzuoli, Metropolitan City of Naples, Campania, Italy

References:

Pichler, H., (1970): Italienische Vulkangebiete II, Bornträger Berlin Stuttgart

ⓘ Godovikovite

Formula: (NH₄)Al(SO₄)₂

Locality: "Bocca Grande" fumarole, Solfatara di Pozzuoli, Pozzuoli, Metropolitan City of Naples, Campania, Italy

References:

ⓘ Goldichite

Formula: KFe(SO₄)₂ · 4H₂O

Locality: Solfatara di Pozzuoli, Pozzuoli, Metropolitan City of Naples, Campania, Italy

References:

De Michele, V. (1974) Guida mineralogica d'Italia. Istituto Geografico De Agostini.

ⓘ Gypsum

Formula: CaSO₄ · 2H₂O

Localities:

ⓘ Halotrichite

Formula: Fe²⁺Al₂(SO₄)₄ · 22H₂O

Localities:

ⓘ Haüyne

Formula: Na₃Ca(Si₃Al₃)O₁₂(SO₄)

Locality: Fondo Riccio, Pozzuoli, Metropolitan City of Naples, Campania, Italy

References:

ⓘ Hematite

Formula: Fe₂O₃

Localities:

Fondo Riccio, Pozzuoli, Metropolitan City of Naples, Campania, Italy
Monte Olibano, Pozzuoli, Metropolitan City of Naples, Campania, Italy

ⓘ 'Hornblende Root Name Group'

Formula: ◻Ca₂(C²⁺₄C³⁺)(AlSi₇O₂₂)W₂

Locality: Monte Olibano, Pozzuoli, Metropolitan City of Naples, Campania, Italy

ⓘ Huizingite-(Al)

Formula: [(NH₄)₉(SO₄)₂][(Al,Fe³⁺)₃(OH)₂(H₂O)₄(SO₄)₆]

Locality: "Bocca Grande" fumarole, Solfatara di Pozzuoli, Pozzuoli, Metropolitan City of Naples, Campania, Italy

References:

ⓘ 'Hydrohalloysite'

Formula: Al₂Si₂O₅(OH)₄ · 2H₂O

Localities:

ⓘ Jarosite

Formula: KFe³⁺₃(SO₄)₂(OH)₆

Localities:

Solfatara di Pozzuoli, Pozzuoli, Metropolitan City of Naples, Campania, Italy
Pisciarelli di Agnano, Pozzuoli, Metropolitan City of Naples, Campania, Italy

ⓘ ~~Kalinite~~

Formula: KAl(SO₄)₂ · 11H₂O

Locality: Solfatara di Pozzuoli, Pozzuoli, Metropolitan City of Naples, Campania, Italy - erroneously reported

Description: Kalinite, although currently approved, is a non-existent species. Therefore, not mentioned in Russo et al. (2017). Specimens of "kalinite" can be considered mixtures of alum-(K), pickeringite +/- gypsum.

References:

De Michele, V. (1974) Guida mineralogica d'Italia. Istituto Geografico De Agostini.

ⓘ Kaolinite

Formula: Al₂(Si₂O₅)(OH)₄

Locality: Solfatara di Pozzuoli, Pozzuoli, Metropolitan City of Naples, Campania, Italy

References:

70.1911encyclopedia.org (n.d.) http://70.1911encyclopedia.org/V/VO/VOLCANO.htm.

ⓘ 'K Feldspar'

Locality: San Vito geothermal field, Pozzuoli, Metropolitan City of Naples, Campania, Italy

References:

ⓘ Krausite

Formula: KFe(SO₄)₂ · H₂O

Localities:

Pisciarelli di Agnano, Pozzuoli, Metropolitan City of Naples, Campania, Italy
Antiniana (Scarfoglio), Pozzuoli, Metropolitan City of Naples, Campania, Italy
Solfatara di Pozzuoli, Pozzuoli, Metropolitan City of Naples, Campania, Italy

ⓘ Letovicite ?

Formula: (NH₄)₃H(SO₄)₂

Locality: Pisciarelli di Agnano, Pozzuoli, Metropolitan City of Naples, Campania, Italy

References:

ⓘ Leucite

Formula: K(AlSi₂O₆)

Localities:

Solfatara di Pozzuoli, Pozzuoli, Metropolitan City of Naples, Campania, Italy
Monte Olibano, Pozzuoli, Metropolitan City of Naples, Campania, Italy

ⓘ 'Limonite'

Locality: Fondo Riccio, Pozzuoli, Metropolitan City of Naples, Campania, Italy

References:

ⓘ Lucabindiite

Formula: (K,NH₄)As₄O₆(Cl,Br)

Locality: "Bocca Grande" fumarole, Solfatara di Pozzuoli, Pozzuoli, Metropolitan City of Naples, Campania, Italy

References:

ⓘ Magnesiocopiapite

Formula: MgFe³⁺₄(SO₄)₆(OH)₂ · 20H₂O

Locality: Antiniana (Scarfoglio), Pozzuoli, Metropolitan City of Naples, Campania, Italy

References:

ⓘ Magnesiovoltaite

Formula: K₂Mg₅Fe³⁺₃Al(SO₄)₁₂ · 18H₂O

Localities:

Pisciarelli di Agnano, Pozzuoli, Metropolitan City of Naples, Campania, Italy
Antiniana (Scarfoglio), Pozzuoli, Metropolitan City of Naples, Campania, Italy ? (more information)

ⓘ Magnetite

Formula: Fe²⁺Fe³⁺₂O₄

Localities:

Fondo Riccio, Pozzuoli, Metropolitan City of Naples, Campania, Italy
Monte Olibano, Pozzuoli, Metropolitan City of Naples, Campania, Italy

ⓘ Mascagnite

Formula: (NH₄)₂SO₄

Localities:

Solfatara di Pozzuoli, Pozzuoli, Metropolitan City of Naples, Campania, Italy
"Bocca Grande" fumarole, Solfatara di Pozzuoli, Pozzuoli, Metropolitan City of Naples, Campania, Italy
Pisciarelli di Agnano, Pozzuoli, Metropolitan City of Naples, Campania, Italy

ⓘ Meionite

Formula: Ca₄Al₆Si₆O₂₄CO₃

Locality: San Vito geothermal field, Pozzuoli, Metropolitan City of Naples, Campania, Italy

References:

ⓘ Melanterite ?

Formula: Fe²⁺(H₂O)₆(SO₄) · H₂O

Locality: Pisciarelli di Agnano, Pozzuoli, Metropolitan City of Naples, Campania, Italy

References:

ⓘ Mendozite ?

Formula: NaAl(SO₄)₂ · 11H₂O

Locality: Solfatara di Pozzuoli, Pozzuoli, Metropolitan City of Naples, Campania, Italy

References:

70.1911encyclopedia.org (n.d.) http://70.1911encyclopedia.org/V/VO/VOLCANO.htm.

ⓘ Mereiterite ?

Formula: K₂Fe(SO₄)₂ · 4H₂O

Locality: Pisciarelli di Agnano, Pozzuoli, Metropolitan City of Naples, Campania, Italy

References:

ⓘ Metavoltine

Formula: K₂Na₆Fe²⁺Fe³⁺₆O₂(SO₄)₁₂ · 18H₂O

Localities:

ⓘ Mirabilite

Formula: Na₂SO₄ · 10H₂O

Locality: Solfatara di Pozzuoli, Pozzuoli, Metropolitan City of Naples, Campania, Italy

References:

Sinno R. – (1957) Trona, thenardite e mirabilite nei Campi Flegrei. Periodico di Mineralogia – Roma pp. 1-12.

ⓘ Molybdenite

Formula: MoS₂

Locality: San Vito geothermal field, Pozzuoli, Metropolitan City of Naples, Campania, Italy

References:

ⓘ Native Bismuth

Formula: Bi

Locality: San Vito geothermal field, Pozzuoli, Metropolitan City of Naples, Campania, Italy

References:

ⓘ Native Sulphur

Formula: S₈

Localities:

ⓘ Natrolite

Formula: Na₂Al₂Si₃O₁₀ · 2H₂O

Locality: Solfatara di Pozzuoli, Pozzuoli, Metropolitan City of Naples, Campania, Italy

References:

Pichler, H., (1970): Italienische Vulkangebiete II, Bornträger Berlin Stuttgart

ⓘ Opal

Formula: SiO₂ · nH₂O

Localities:

Solfatara di Pozzuoli, Pozzuoli, Metropolitan City of Naples, Campania, Italy
"Bocca Grande" fumarole, Solfatara di Pozzuoli, Pozzuoli, Metropolitan City of Naples, Campania, Italy
Antiniana (Scarfoglio), Pozzuoli, Metropolitan City of Naples, Campania, Italy
Pisciarelli di Agnano, Pozzuoli, Metropolitan City of Naples, Campania, Italy

ⓘ Orpiment ?

Formula: As₂S₃

Locality: Solfatara di Pozzuoli, Pozzuoli, Metropolitan City of Naples, Campania, Italy

References:

ⓘ Paradimorphite (TL)

Formula: As₄S₃

Type Locality:

References:

Miyawaki, Ritsuro, Hatert, Frédéric, Pasero, Marco, Mills, Stuart J. (2022) IMA Commission on New Minerals, Nomenclature and Classification (CNMNC) – Newsletter 66. European Journal of Mineralogy, 34 (2) 253-257 doi:10.5194/ejm-34-253-2022

ⓘ Pararealgar

Formula: As₄S₄

Localities:

"Bocca Grande" fumarole, Solfatara di Pozzuoli, Pozzuoli, Metropolitan City of Naples, Campania, Italy
Solfatara di Pozzuoli, Pozzuoli, Metropolitan City of Naples, Campania, Italy

ⓘ Pertlikite ?

Formula: K₂(Fe²⁺,Mg)₂(Mg,Fe³⁺)₄Fe³⁺₂Al(SO₄)₁₂ · 18H₂O

Localities:

Pisciarelli di Agnano, Pozzuoli, Metropolitan City of Naples, Campania, Italy ? (more information)
Antiniana (Scarfoglio), Pozzuoli, Metropolitan City of Naples, Campania, Italy ? (more information)

ⓘ Pickeringite

Formula: MgAl₂(SO₄)₄ · 22H₂O

Localities:

ⓘ 'Plagioclase'

Formula: (Na,Ca)[(Si,Al)AlSi₂]O₈

Localities:

Fondo Riccio, Pozzuoli, Metropolitan City of Naples, Campania, Italy
San Vito geothermal field, Pozzuoli, Metropolitan City of Naples, Campania, Italy

ⓘ Pyrite

Formula: FeS₂

Localities:

Solfatara di Pozzuoli, Pozzuoli, Metropolitan City of Naples, Campania, Italy
Pisciarelli di Agnano, Pozzuoli, Metropolitan City of Naples, Campania, Italy
San Vito geothermal field, Pozzuoli, Metropolitan City of Naples, Campania, Italy

ⓘ Pyrrhotite

Formula: Fe_1-xS

Locality: San Vito geothermal field, Pozzuoli, Metropolitan City of Naples, Campania, Italy

References:

ⓘ Realgar

Formula: As₄S₄

Localities:

"Bocca Grande" fumarole, Solfatara di Pozzuoli, Pozzuoli, Metropolitan City of Naples, Campania, Italy
Solfatara di Pozzuoli, Pozzuoli, Metropolitan City of Naples, Campania, Italy

ⓘ Rhomboclase

Formula: (H₅O₂)Fe³⁺(SO₄)₂ · 2H₂O

Locality: Pisciarelli di Agnano, Pozzuoli, Metropolitan City of Naples, Campania, Italy

References:

Italo Campostrini - Università degli Studi di Milano

ⓘ Römerite

Formula: Fe²⁺Fe³⁺₂(SO₄)₄ · 14H₂O

Locality: Antiniana (Scarfoglio), Pozzuoli, Metropolitan City of Naples, Campania, Italy

References:

ⓘ Russoite (TL)

Formula: (NH₄)ClAs₂O₃(H₂O)_0.5

Type Locality:

References:

Campostrini, Italo, Demartin, Francesco, Scavini, Marco (2019) Russoite, NH₄ClAs₂³⁺O₃(H₂O)_0.5, a new phylloarsenite mineral from Solfatara Di Pozzuoli, Napoli, Italy. Mineralogical Magazine, 83 (1) 89-94 doi:10.1180/minmag.2017.081.097

ⓘ Rutile

Formula: TiO₂

Locality: Solfatara di Pozzuoli, Pozzuoli, Metropolitan City of Naples, Campania, Italy

References:

Pichler, H., (1970): Italienische Vulkangebiete II, Bornträger Berlin Stuttgart

ⓘ Salammoniac

Formula: NH₄Cl

Localities:

"Bocca Grande" fumarole, Solfatara di Pozzuoli, Pozzuoli, Metropolitan City of Naples, Campania, Italy
Solfatara di Pozzuoli, Pozzuoli, Metropolitan City of Naples, Campania, Italy

ⓘ Sanidine

Formula: K(AlSi₃O₈)

Localities:

Fondo Riccio, Pozzuoli, Metropolitan City of Naples, Campania, Italy
Solfatara di Pozzuoli, Pozzuoli, Metropolitan City of Naples, Campania, Italy
Monte Olibano, Pozzuoli, Metropolitan City of Naples, Campania, Italy

ⓘ Sassolite

Formula: H₃BO₃

Localities:

"Bocca Grande" fumarole, Solfatara di Pozzuoli, Pozzuoli, Metropolitan City of Naples, Campania, Italy
Solfatara di Pozzuoli, Pozzuoli, Metropolitan City of Naples, Campania, Italy

ⓘ Scheelite

Formula: Ca(WO₄)

Locality: San Vito geothermal field, Pozzuoli, Metropolitan City of Naples, Campania, Italy

References:

ⓘ Sodalite

Formula: Na₄(Si₃Al₃)O₁₂Cl

Localities:

Fondo Riccio, Pozzuoli, Metropolitan City of Naples, Campania, Italy
Monte Olibano, Pozzuoli, Metropolitan City of Naples, Campania, Italy

ⓘ Sphalerite

Formula: ZnS

Locality: San Vito geothermal field, Pozzuoli, Metropolitan City of Naples, Campania, Italy

References:

ⓘ 'Sulfurite'

Formula: S

Locality: Solfatara di Pozzuoli, Pozzuoli, Metropolitan City of Naples, Campania, Italy

References:

Palache, Charles, Berman, Harry, Frondel, Clifford (1944) The System of Mineralogy (7th ed.) Vol. 1 - Elements, Sulfides, Sulfosalts, Oxides. John Wiley and Sons, New York.

ⓘ 'Sulfurite var. Arsensulfurite'

Formula: (S,As)₈

Locality: Solfatara di Pozzuoli, Pozzuoli, Metropolitan City of Naples, Campania, Italy

References:

Palache, Charles, Berman, Harry, Frondel, Clifford (1944) The System of Mineralogy (7th ed.) Vol. 1 - Elements, Sulfides, Sulfosalts, Oxides. John Wiley and Sons, New York.

ⓘ Tamarugite

Formula: NaAl(SO₄)₂ · 6H₂O

Localities:

ⓘ Thénardite

Formula: Na₂SO₄

Locality: Solfatara di Pozzuoli, Pozzuoli, Metropolitan City of Naples, Campania, Italy

References:

Sinno R. – (1957) Trona, thenardite e mirabilite nei Campi Flegrei. Periodico di Mineralogia – Roma pp. 1-12.

ⓘ Titanite

Formula: CaTiO(SiO₄)

Locality: San Vito geothermal field, Pozzuoli, Metropolitan City of Naples, Campania, Italy

References:

ⓘ Trona

Formula: Na₃H(CO₃)₂ · 2H₂O

Locality: Solfatara di Pozzuoli, Pozzuoli, Metropolitan City of Naples, Campania, Italy

References:

Sinno R. – (1957) Trona, thenardite e mirabilite nei Campi Flegrei. Periodico di Mineralogia – Roma pp. 1-12.

ⓘ Tschermigite

Formula: (NH₄)Al(SO₄)₂ · 12H₂O

Localities:

ⓘ Violarite

Formula: Fe²⁺Ni³⁺₂S₄

Locality: San Vito geothermal field, Pozzuoli, Metropolitan City of Naples, Campania, Italy

References:

ⓘ Voltaite (TL)

Formula: K₂Fe²⁺₅Fe³⁺₃Al(SO₄)₁₂ · 18H₂O

Localities:

Type Locality: Solfatara di Pozzuoli, Pozzuoli, Metropolitan City of Naples, Campania, Italy

ⓘ Yavapaiite

Formula: KFe³⁺(S⁶⁺O₄)₂

Locality: Solfatara di Pozzuoli, Pozzuoli, Metropolitan City of Naples, Campania, Italy

References:

De Michele, V. (1974) Guida mineralogica d'Italia. Istituto Geografico De Agostini.

Gallery:

(NH₄)Al(SO₄)₂ⓘ Godovikovite

Godovikovite

"Bocca Grande" fumarole, Solfatara di Pozzuoli, Pozzuoli, Metropolitan City of Naples, Campania, Italy

Godovikovite

"Bocca Grande" fumarole, Solfatara di Pozzuoli, Pozzuoli, Metropolitan City of Naples, Campania, Italy

Godovikovite

"Bocca Grande" fumarole, Solfatara di Pozzuoli, Pozzuoli, Metropolitan City of Naples, Campania, Italy

[(NH₄)₉(SO₄)₂][(Al,Fe³⁺)₃(OH)₂(H₂O)₄(SO₄)₆]ⓘ Huizingite-(Al)

Huizingite-(Al)

"Bocca Grande" fumarole, Solfatara di Pozzuoli, Pozzuoli, Metropolitan City of Naples, Campania, Italy

Huizingite-(Al)

Solfatara di Pozzuoli, Pozzuoli, Metropolitan City of Naples, Campania, Italy

Huizingite-(Al)

Solfatara di Pozzuoli, Pozzuoli, Metropolitan City of Naples, Campania, Italy

Huizingite-(Al)

"Bocca Grande" fumarole, Solfatara di Pozzuoli, Pozzuoli, Metropolitan City of Naples, Campania, Italy

Huizingite-(Al)

Solfatara di Pozzuoli, Pozzuoli, Metropolitan City of Naples, Campania, Italy

Huizingite-(Al)

Solfatara di Pozzuoli, Pozzuoli, Metropolitan City of Naples, Campania, Italy

Huizingite-(Al)

"Bocca Grande" fumarole, Solfatara di Pozzuoli, Pozzuoli, Metropolitan City of Naples, Campania, Italy

Huizingite-(Al)

Solfatara di Pozzuoli, Pozzuoli, Metropolitan City of Naples, Campania, Italy

(K,NH₄)As₄O₆(Cl,Br)ⓘ Lucabindiite

Lucabindiite

"Bocca Grande" fumarole, Solfatara di Pozzuoli, Pozzuoli, Metropolitan City of Naples, Campania, Italy

Lucabindiite

"Bocca Grande" fumarole, Solfatara di Pozzuoli, Pozzuoli, Metropolitan City of Naples, Campania, Italy

Lucabindiite

"Bocca Grande" fumarole, Solfatara di Pozzuoli, Pozzuoli, Metropolitan City of Naples, Campania, Italy

K₂Mg₅Fe³⁺₃Al(SO₄)₁₂ · 18H₂Oⓘ Magnesiovoltaite

Magnesiovoltaite, etc.

Pisciarelli di Agnano, Pozzuoli, Metropolitan City of Naples, Campania, Italy

Magnesiovoltaite, etc.

Pisciarelli di Agnano, Pozzuoli, Metropolitan City of Naples, Campania, Italy

Magnesiovoltaite, etc.

Pisciarelli di Agnano, Pozzuoli, Metropolitan City of Naples, Campania, Italy

(H₅O₂)Fe³⁺(SO₄)₂ · 2H₂Oⓘ Rhomboclase

Rhomboclase, etc.

Pisciarelli di Agnano, Pozzuoli, Metropolitan City of Naples, Campania, Italy

Rhomboclase, etc.

Pisciarelli di Agnano, Pozzuoli, Metropolitan City of Naples, Campania, Italy

Rhomboclase, etc.

Pisciarelli di Agnano, Pozzuoli, Metropolitan City of Naples, Campania, Italy

(NH₄)ClAs₂O₃(H₂O)_0.5ⓘ Russoite (TL)

Russoite

"Bocca Grande" fumarole, Solfatara di Pozzuoli, Pozzuoli, Metropolitan City of Naples, Campania, Italy

Russoite

"Bocca Grande" fumarole, Solfatara di Pozzuoli, Pozzuoli, Metropolitan City of Naples, Campania, Italy

Russoite

"Bocca Grande" fumarole, Solfatara di Pozzuoli, Pozzuoli, Metropolitan City of Naples, Campania, Italy

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘ	Native Bismuth	1.CA.05	Bi
ⓘ	Native Sulphur	1.CC.05	S₈
Group 2 - Sulphides and Sulfosalts
ⓘ	Acanthite	2.BA.35	Ag₂S
ⓘ	Sphalerite	2.CB.05a	ZnS
ⓘ	Chalcopyrite	2.CB.10a	CuFeS₂
ⓘ	Pyrrhotite	2.CC.10	Fe_1-xS
ⓘ	Galena	2.CD.10	PbS
ⓘ	Violarite	2.DA.05	Fe²⁺Ni³⁺₂S₄
ⓘ	Molybdenite	2.EA.30	MoS₂
ⓘ	Pyrite	2.EB.05a	FeS₂
ⓘ	Arsenopyrite	2.EB.20	FeAsS
ⓘ	Paradimorphite (TL)	2.FA.	As₄S₃
ⓘ	Dimorphite (TL)	2.FA.10	As₄S₃
ⓘ	Realgar	2.FA.15a	As₄S₄
ⓘ	Pararealgar	2.FA.15b	As₄S₄
ⓘ	Alacránite	2.FA.20	As₈S₉
ⓘ	Orpiment ?	2.FA.30	As₂S₃
Group 3 - Halides
ⓘ	Salammoniac	3.AA.25	NH₄Cl
ⓘ	Fluorite	3.AB.25	CaF₂
ⓘ	Lucabindiite	3.DC.	(K,NH₄)As₄O₆(Cl,Br)
ⓘ	Russoite (TL)	3.DC.05	(NH₄)ClAs₂O₃(H₂O)_0.5
Group 4 - Oxides and Hydroxides
ⓘ	Magnetite	4.BB.05	Fe²⁺Fe³⁺₂O₄
ⓘ	Hematite	4.CB.05	Fe₂O₃
ⓘ	Arsenolite ?	4.CB.50	As₂O₃
ⓘ	Opal	4.DA.10	SiO₂ · nH₂O
ⓘ	Cassiterite	4.DB.05	SnO₂
ⓘ	Rutile	4.DB.05	TiO₂
Group 5 - Nitrates and Carbonates
ⓘ	Calcite	5.AB.05	CaCO₃
ⓘ	Trona	5.CB.15	Na₃H(CO₃)₂ · 2H₂O
Group 6 - Borates
ⓘ	Sassolite	6.AA.05	H₃BO₃
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘ	Efremovite	7.AC.10	(NH₄)₂Mg₂(SO₄)₃
ⓘ	Ferroefremovite (TL)	7.AC.10	(NH₄)₂Fe²⁺₂(SO₄)₃
ⓘ	Yavapaiite	7.AC.15	KFe³⁺(S⁶⁺O₄)₂
ⓘ	Godovikovite	7.AC.20	(NH₄)Al(SO₄)₂
ⓘ	Aphthitalite ?	7.AC.35	K₃Na(SO₄)₂
ⓘ	Mascagnite	7.AD.05	(NH₄)₂SO₄
ⓘ	Letovicite ?	7.AD.20	(NH₄)₃H(SO₄)₂
ⓘ	Glauberite ?	7.AD.25	Na₂Ca(SO₄)₂
ⓘ	Thénardite	7.AD.25	Na₂SO₄
ⓘ	Baryte	7.AD.35	BaSO₄
ⓘ	Adranosite-(Fe)	7.BC.	(NH₄)₄NaFe³⁺₂(SO₄)₄Cl(OH)₂
ⓘ	Adranosite	7.BC.	(NH₄)₄NaAl₂(SO₄)₄Cl(OH)₂
ⓘ	Alunite	7.BC.10	KAl₃(SO₄)₂(OH)₆
ⓘ	Jarosite	7.BC.10	KFe³⁺₃(SO₄)₂(OH)₆
ⓘ	Melanterite ?	7.CB.35	Fe²⁺(H₂O)₆(SO₄) · H₂O
ⓘ	Epsomite	7.CB.40	MgSO₄ · 7H₂O
ⓘ	Alunogen	7.CB.45	Al₂(SO₄)₃ · 17H₂O
ⓘ	Aluminocoquimbite	7.CB.50	Al₂Fe₂(SO₄)₆(H₂O)₁₂ · 6H₂O
ⓘ	Coquimbite	7.CB.55	AlFe₃(SO₄)₆(H₂O)₁₂ · 6H₂O
ⓘ	Rhomboclase	7.CB.55	(H₅O₂)Fe³⁺(SO₄)₂ · 2H₂O
ⓘ	Römerite	7.CB.75	Fe²⁺Fe³⁺₂(SO₄)₄ · 14H₂O
ⓘ	Halotrichite	7.CB.85	Fe²⁺Al₂(SO₄)₄ · 22H₂O
ⓘ	Pickeringite	7.CB.85	MgAl₂(SO₄)₄ · 22H₂O
ⓘ	Krausite	7.CC.05	KFe(SO₄)₂ · H₂O
ⓘ	Tamarugite	7.CC.10	NaAl(SO₄)₂ · 6H₂O
ⓘ	Kalinite ?	7.CC.15	KAl(SO₄)₂ · 11H₂O
ⓘ	Mendozite ?	7.CC.15	NaAl(SO₄)₂ · 11H₂O
ⓘ	Alum-(K) (TL)	7.CC.20	KAl(SO₄)₂ · 12H₂O
ⓘ	Tschermigite	7.CC.20	(NH₄)Al(SO₄)₂ · 12H₂O
ⓘ	Voltaite (TL)	7.CC.25	K₂Fe²⁺₅Fe³⁺₃Al(SO₄)₁₂ · 18H₂O
ⓘ	Pertlikite ?	7.CC.25	K₂(Fe²⁺,Mg)₂(Mg,Fe³⁺)₄Fe³⁺₂Al(SO₄)₁₂ · 18H₂O
ⓘ	Magnesiovoltaite	7.CC.25	K₂Mg₅Fe³⁺₃Al(SO₄)₁₂ · 18H₂O
ⓘ	Goldichite	7.CC.40	KFe(SO₄)₂ · 4H₂O
ⓘ	Blödite	7.CC.50	Na₂Mg(SO₄)₂ · 4H₂O
ⓘ	Mereiterite ?	7.CC.55	K₂Fe(SO₄)₂ · 4H₂O
ⓘ	Amarillite ?	7.CC.75	NaFe(SO₄)₂ · 6H₂O
ⓘ	Mirabilite	7.CD.10	Na₂SO₄ · 10H₂O
ⓘ	Gypsum	7.CD.40	CaSO₄ · 2H₂O
ⓘ	Magnesiocopiapite	7.DB.35	MgFe³⁺₄(SO₄)₆(OH)₂ · 20H₂O
ⓘ	Aluminite ?	7.DC.05	Al₂(SO₄)(OH)₄ · 7H₂O
ⓘ	Fibroferrite ?	7.DC.15	Fe³⁺(SO₄)(OH) · 5H₂O
ⓘ	Alcaparrosaite ?	7.DF.	K₃Ti⁴⁺Fe³⁺(SO₄)₄O(H₂O)₂
ⓘ	Metavoltine	7.DF.35	K₂Na₆Fe²⁺Fe³⁺₆O₂(SO₄)₁₂ · 18H₂O
ⓘ	Huizingite-(Al)	7.DF.52	[(NH₄)₉(SO₄)₂][(Al,Fe³⁺)₃(OH)₂(H₂O)₄(SO₄)₆]
ⓘ	Clairite	7.DF.55	(NH₄)₂Fe₃(SO₄)₄(OH)₃ · 3H₂O
ⓘ	Scheelite	7.GA.05	Ca(WO₄)
Group 9 - Silicates
ⓘ	Forsterite	9.AC.05	Mg₂(SiO₄)
ⓘ	Titanite	9.AG.15	CaTiO(SiO₄)
ⓘ	Clinozoisite	9.BG.05a	(CaCa)(AlAlAl)O[Si₂O₇][SiO₄](OH)
ⓘ	Epidote	9.BG.05a	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
ⓘ	Augite	9.DA.15	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
ⓘ	Diopside	9.DA.15	CaMgSi₂O₆
ⓘ	Aegirine	9.DA.25	NaFe³⁺Si₂O₆
ⓘ	Kaolinite	9.ED.05	Al₂(Si₂O₅)(OH)₄
ⓘ	'Hydrohalloysite'	9.ED.10	Al₂Si₂O₅(OH)₄ · 2H₂O
ⓘ	Sanidine	9.FA.30	K(AlSi₃O₈)
ⓘ	Anorthite	9.FA.35	Ca(Al₂Si₂O₈)
ⓘ	Haüyne	9.FB.10	Na₃Ca(Si₃Al₃)O₁₂(SO₄)
ⓘ	Sodalite	9.FB.10	Na₄(Si₃Al₃)O₁₂Cl
ⓘ	Meionite	9.FB.15	Ca₄Al₆Si₆O₂₄CO₃
ⓘ	Natrolite	9.GA.05	Na₂Al₂Si₃O₁₀ · 2H₂O
ⓘ	Leucite	9.GB.05	K(AlSi₂O₆)
Unclassified
ⓘ	'Alum Group'	-	XAl(SO₄)₂ · 12H₂O
ⓘ	'Amphibole Supergroup'	-	AB₂C₅(T₈O₂₂)W₂
ⓘ	'Arsenschwefel'	-	As₂S₃ · H₂O
ⓘ	'Sulfurite var. Arsensulfurite'	-	(S,As)₈
ⓘ	'Biotite'	-	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
ⓘ	'Chlorite Group'	-
ⓘ	'Limonite'	-
ⓘ	'Hornblende Root Name Group'	-	◻Ca₂(C²⁺₄C³⁺)(AlSi₇O₂₂)W₂
ⓘ	'Diopside-Hedenbergite Series'	-
ⓘ	'Plagioclase'	-	(Na,Ca)[(Si,Al)AlSi₂]O₈
ⓘ	'K Feldspar'	-
ⓘ	'Glass'	-
ⓘ	'Apatite'	-	Ca₅(PO₄)₃A
ⓘ	'Sulfurite'	-	S

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Alum Group	XAl(SO₄)₂ · 12H₂O
H	ⓘ Aluminite	Al₂(SO₄)(OH)₄ · 7H₂O
H	ⓘ Alunite	KAl₃(SO₄)₂(OH)₆
H	ⓘ Alunogen	Al₂(SO₄)₃ · 17H₂O
H	ⓘ Amarillite	NaFe(SO₄)₂ · 6H₂O
H	ⓘ Arsenschwefel	As₂S₃ · H₂O
H	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
H	ⓘ Blödite	Na₂Mg(SO₄)₂ · 4H₂O
H	ⓘ Clairite	(NH₄)₂Fe₃(SO₄)₄(OH)₃ · 3H₂O
H	ⓘ Clinozoisite	(CaCa)(AlAlAl)O[Si₂O₇][SiO₄](OH)
H	ⓘ Coquimbite	AlFe₃(SO₄)₆(H₂O)₁₂ · 6H₂O
H	ⓘ Efremovite	(NH₄)₂Mg₂(SO₄)₃
H	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
H	ⓘ Epsomite	MgSO₄ · 7H₂O
H	ⓘ Fibroferrite	Fe³⁺(SO₄)(OH) · 5H₂O
H	ⓘ Godovikovite	(NH₄)Al(SO₄)₂
H	ⓘ Goldichite	KFe(SO₄)₂ · 4H₂O
H	ⓘ Gypsum	CaSO₄ · 2H₂O
H	ⓘ Halotrichite	Fe²⁺Al₂(SO₄)₄ · 22H₂O
H	ⓘ Jarosite	KFe₃³⁺(SO₄)₂(OH)₆
H	ⓘ Kalinite	KAl(SO₄)₂ · 11H₂O
H	ⓘ Kaolinite	Al₂(Si₂O₅)(OH)₄
H	ⓘ

Pozzuoli, Metropolitan City of Naples, Campania, ItalyiRegional Level TypesPozzuoliCommune Metropolitan City of NaplesMetropolitan City CampaniaRegion ItalyCountry function showexplain() { $("#locexplain").toggle(); if (typeof movemap === "function") movemap(); }

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Detailed Mineral List:

Gallery:

List of minerals arranged by Strunz 10th Edition classification

List of minerals for each chemical element

Pozzuoli, Metropolitan City of Naples, Campania, Italy i
Regional Level Types
Pozzuoli Commune
Metropolitan City of Naples Metropolitan City
Campania Region
Italy Country