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Antignano, Livorno, Livorno Province, Tuscany, Italyi
Regional Level Types
AntignanoQuarter
LivornoMunicipality
Livorno ProvinceProvince
TuscanyRegion
Italy- not defined -

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PhotosMapsSearch
Type:
Quarter
Mindat Locality ID:
126424
Long-form identifier:
mindat:1:2:126424:4
GUID (UUID V4):
4f83add9-3a02-4711-8cb1-47004a56227a
Name(s) in local language(s):
Antignano, Livorno, Provincia di Livorno, Toscana, Italia


Minerals are found along the cliffed coast at Antignano, the southernmost district of the city of Livorno, in the sector between Villa Carolina to the north and Rio Maroccone to the south.

The rocks forming this coast sector are mainly siltstones and dark grey manganiferous claystones with minor, very fine-grained calcarenites of the so-called Antignano member, a component of the lower-middle Eocene Santa Fiora formation (Ligurian Domain).

Hydrothermally altered ophiolitic olistostromes (hydrothermalites) are quite frequently embedded in the sedimentary sequence.

These hydrothermalites are more resistant to erosion and often appear as insulated rocks, also at distances of 10-20 m from the shore or small headlands.

These rock masses generally involve small volumes (few cubic metres), but occasionally they can reach considerable sizes as in the 5-m-high Scoglio della Ballerina.

Note on the mineral list: Bonifazi (2020) reports a single find in 1992 of extremely small rosettes of green acicular crystals on acicular millerite crystals. It is most likely a new species (a nickel oxalate), but the extremely small size of the crystals, and therefore their incomplete characterisation, prevented the submission to the IMA as a new species.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


24 valid minerals.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ Anatase
Formula: TiO2
ⓘ Aragonite
Formula: CaCO3
ⓘ Azurite
Formula: Cu3(CO3)2(OH)2
ⓘ Baryte
Formula: BaSO4
ⓘ Brookite
Formula: TiO2
ⓘ Calcite
Formula: CaCO3
ⓘ Chalcopyrite
Formula: CuFeS2
ⓘ 'Chlorite Group' ?
ⓘ Chromite
Formula: Fe2+Cr3+2O4
Habit: rounded octahedra with characteristic subconchoidal fracture
ⓘ Dawsonite
Formula: NaAlCO3(OH)2
Habit: rosettes of acicular crystals
Colour: white to pink
ⓘ Dawsonite var. Chromium-bearing Dawsonite
Formula: Na(Al,Cr)CO3(OH)2
Colour: pink
ⓘ Dolomite
Formula: CaMg(CO3)2
ⓘ Glaukosphaerite ?
Formula: (Cu,Ni)2(CO3)(OH)2
Habit: minute crusts on chalcopyrite
Description: Presumed, not yet analysed.
ⓘ Gypsum
Formula: CaSO4 · 2H2O
ⓘ 'Limonite'
ⓘ Marcasite
Formula: FeS2
ⓘ Millerite
Formula: NiS
ⓘ Nickelbischofite
Formula: NiCl2 · 6H2O
Habit: crusts and microscopic spherules on millerite
Colour: green
Description: Analysed by Gian Carlo Parodi and Sylvain Pont, Muséum National d'Histoire Naturelle, Paris.
ⓘ Opal
Formula: SiO2 · nH2O
ⓘ Opal var. Hyalite
Formula: SiO2 · nH2O
ⓘ Pyrite
Formula: FeS2
Habit: octahedra, cubes
Description: Associated with millerite.
ⓘ Pyrite var. Bravoite
Formula: (Fe,Ni)S2
Description: SEM image of pyrite crystals "rich in nickel on a millerite needle" on page 171 in Bonifazi (2020). Analysed EDS on several samples also in Botro del Diavolo stream still In Livorno.
ⓘ Quartz
Formula: SiO2
ⓘ Reevesite
Formula: Ni6Fe3+2(OH)16(CO3) · 4H2O
Colour: (canary) yellow, yellow-green
Description: Pseudomorphs after millerite
ⓘ Siderite
Formula: FeCO3
ⓘ Sphalerite
Formula: ZnS
ⓘ Talc
Formula: Mg3Si4O10(OH)2
ⓘ Talc var. Steatite
Formula: Mg3(Si4O10)(OH)2
ⓘ Todorokite
Formula: (Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
Habit: masses of lamellar microcrystals; dendritic aggregates
Colour: black
ⓘ Vaesite ?
Formula: NiS2
Description: According to Bonifazi (2020), Vaesite has not yet been analytically confirmed anywhere in Livorno Province. Octahedral crystals associated with millerite at Antignano have been analysed and turned out to be pyrite.

Gallery:

TiO2ⓘ Brookite
CaCO3ⓘ Calcite
NiSⓘ Millerite
FeS2ⓘ Pyrite
SiO2ⓘ Quartz
Ni6Fe3+2(OH)16(CO3) · 4H2Oⓘ Reevesite

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘSphalerite2.CB.05aZnS
ⓘChalcopyrite2.CB.10aCuFeS2
ⓘMillerite2.CC.20NiS
ⓘVaesite ?2.EB.05aNiS2
ⓘPyrite
var. Bravoite		2.EB.05a(Fe,Ni)S2
ⓘ2.EB.05aFeS2
ⓘMarcasite2.EB.10aFeS2
Group 3 - Halides
ⓘNickelbischofite3.BB.20NiCl2 · 6H2O
Group 4 - Oxides and Hydroxides
ⓘChromite4.BB.05Fe2+Cr3+2O4
ⓘQuartz4.DA.05SiO2
ⓘOpal4.DA.10SiO2 · nH2O
ⓘvar. Hyalite4.DA.10SiO2 · nH2O
ⓘAnatase4.DD.05TiO2
ⓘBrookite4.DD.10TiO2
ⓘTodorokite4.DK.10(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
Group 5 - Nitrates and Carbonates
ⓘSiderite5.AB.05FeCO3
ⓘCalcite5.AB.05CaCO3
ⓘDolomite5.AB.10CaMg(CO3)2
ⓘAragonite5.AB.15CaCO3
ⓘAzurite5.BA.05Cu3(CO3)2(OH)2
ⓘGlaukosphaerite ?5.BA.10(Cu,Ni)2(CO3)(OH)2
ⓘDawsonite5.BB.10NaAlCO3(OH)2
ⓘvar. Chromium-bearing Dawsonite5.BB.10Na(Al,Cr)CO3(OH)2
ⓘReevesite5.DA.50Ni6Fe3+2(OH)16(CO3) · 4H2O
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘBaryte7.AD.35BaSO4
ⓘGypsum7.CD.40CaSO4 · 2H2O
Group 9 - Silicates
ⓘTalc
var. Steatite		9.EC.05Mg3(Si4O10)(OH)2
ⓘ9.EC.05Mg3Si4O10(OH)2
Unclassified
ⓘ'Chlorite Group' ?-
ⓘ'Limonite'-

List of minerals for each chemical element

HHydrogen
Hⓘ AzuriteCu3(CO3)2(OH)2
Hⓘ DawsoniteNaAlCO3(OH)2
Hⓘ Glaukosphaerite(Cu,Ni)2(CO3)(OH)2
Hⓘ GypsumCaSO4 · 2H2O
Hⓘ NickelbischofiteNiCl2 · 6H2O
Hⓘ OpalSiO2 · nH2O
Hⓘ ReevesiteNi6Fe23+(OH)16(CO3) · 4H2O
Hⓘ Talc var. SteatiteMg3(Si4O10)(OH)2
Hⓘ TalcMg3Si4O10(OH)2
Hⓘ Todorokite(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
Hⓘ Dawsonite var. Chromium-bearing DawsoniteNa(Al,Cr)CO3(OH)2
Hⓘ Opal var. HyaliteSiO2 · nH2O
CCarbon
Cⓘ AragoniteCaCO3
Cⓘ AzuriteCu3(CO3)2(OH)2
Cⓘ CalciteCaCO3
Cⓘ DawsoniteNaAlCO3(OH)2
Cⓘ DolomiteCaMg(CO3)2
Cⓘ Glaukosphaerite(Cu,Ni)2(CO3)(OH)2
Cⓘ ReevesiteNi6Fe23+(OH)16(CO3) · 4H2O
Cⓘ SideriteFeCO3
Cⓘ Dawsonite var. Chromium-bearing DawsoniteNa(Al,Cr)CO3(OH)2
OOxygen
Oⓘ AnataseTiO2
Oⓘ AragoniteCaCO3
Oⓘ AzuriteCu3(CO3)2(OH)2
Oⓘ BaryteBaSO4
Oⓘ BrookiteTiO2
Oⓘ CalciteCaCO3
Oⓘ ChromiteFe2+Cr23+O4
Oⓘ DawsoniteNaAlCO3(OH)2
Oⓘ DolomiteCaMg(CO3)2
Oⓘ Glaukosphaerite(Cu,Ni)2(CO3)(OH)2
Oⓘ GypsumCaSO4 · 2H2O
Oⓘ NickelbischofiteNiCl2 · 6H2O
Oⓘ OpalSiO2 · nH2O
Oⓘ QuartzSiO2
Oⓘ ReevesiteNi6Fe23+(OH)16(CO3) · 4H2O
Oⓘ SideriteFeCO3
Oⓘ Talc var. SteatiteMg3(Si4O10)(OH)2
Oⓘ TalcMg3Si4O10(OH)2
Oⓘ Todorokite(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
Oⓘ Dawsonite var. Chromium-bearing DawsoniteNa(Al,Cr)CO3(OH)2
Oⓘ Opal var. HyaliteSiO2 · nH2O
NaSodium
Naⓘ DawsoniteNaAlCO3(OH)2
Naⓘ Todorokite(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
Naⓘ Dawsonite var. Chromium-bearing DawsoniteNa(Al,Cr)CO3(OH)2
MgMagnesium
Mgⓘ DolomiteCaMg(CO3)2
Mgⓘ Talc var. SteatiteMg3(Si4O10)(OH)2
Mgⓘ TalcMg3Si4O10(OH)2
Mgⓘ Todorokite(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
AlAluminium
Alⓘ DawsoniteNaAlCO3(OH)2
Alⓘ Todorokite(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
Alⓘ Dawsonite var. Chromium-bearing DawsoniteNa(Al,Cr)CO3(OH)2
SiSilicon
Siⓘ OpalSiO2 · nH2O
Siⓘ QuartzSiO2
Siⓘ Talc var. SteatiteMg3(Si4O10)(OH)2
Siⓘ TalcMg3Si4O10(OH)2
Siⓘ Opal var. HyaliteSiO2 · nH2O
SSulfur
Sⓘ BaryteBaSO4
Sⓘ Pyrite var. Bravoite(Fe,Ni)S2
Sⓘ ChalcopyriteCuFeS2
Sⓘ GypsumCaSO4 · 2H2O
Sⓘ MarcasiteFeS2
Sⓘ MilleriteNiS
Sⓘ PyriteFeS2
Sⓘ SphaleriteZnS
Sⓘ VaesiteNiS2
ClChlorine
Clⓘ NickelbischofiteNiCl2 · 6H2O
KPotassium
Kⓘ Todorokite(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
CaCalcium
Caⓘ AragoniteCaCO3
Caⓘ CalciteCaCO3
Caⓘ DolomiteCaMg(CO3)2
Caⓘ GypsumCaSO4 · 2H2O
Caⓘ Todorokite(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
TiTitanium
Tiⓘ AnataseTiO2
Tiⓘ BrookiteTiO2
CrChromium
Crⓘ ChromiteFe2+Cr23+O4
Crⓘ Dawsonite var. Chromium-bearing DawsoniteNa(Al,Cr)CO3(OH)2
MnManganese
Mnⓘ Todorokite(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
FeIron
Feⓘ Pyrite var. Bravoite(Fe,Ni)S2
Feⓘ ChalcopyriteCuFeS2
Feⓘ ChromiteFe2+Cr23+O4
Feⓘ MarcasiteFeS2
Feⓘ PyriteFeS2
Feⓘ ReevesiteNi6Fe23+(OH)16(CO3) · 4H2O
Feⓘ SideriteFeCO3
NiNickel
Niⓘ Pyrite var. Bravoite(Fe,Ni)S2
Niⓘ Glaukosphaerite(Cu,Ni)2(CO3)(OH)2
Niⓘ MilleriteNiS
Niⓘ NickelbischofiteNiCl2 · 6H2O
Niⓘ ReevesiteNi6Fe23+(OH)16(CO3) · 4H2O
Niⓘ VaesiteNiS2
CuCopper
Cuⓘ AzuriteCu3(CO3)2(OH)2
Cuⓘ ChalcopyriteCuFeS2
Cuⓘ Glaukosphaerite(Cu,Ni)2(CO3)(OH)2
ZnZinc
Znⓘ SphaleriteZnS
SrStrontium
Srⓘ Todorokite(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
BaBarium
Baⓘ BaryteBaSO4
Baⓘ Todorokite(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O

Fossils

This region is too big or complex to display the fossil list, try looking at smaller subregions.

Other Databases

Wikipedia:https://it.wikipedia.org/wiki/Antignano_(Livorno)
Wikidata ID:Q3618689


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

(n.d.)
Nannoni, R., Sammartino, F. (1979) Guida ai minerali dei monti livornesi. Guide Calderini, Bologna, 64 pages.
Ciampalini, A., Sammartino, F. (2010) I minerali della scogliera di Antignano. Codice Armonico 2010. Terzo congresso di scienze naturali. Ambiente toscano: 47-56.
Bonifazi, Marco (2020) Toscana. I minerali di Livorno. I favolosi tesori dei nostri monti. Youcanprint, 276 pages.
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