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Marsiliana slag locality, Valpiana - Castello della Marsiliana area slag sites, Massa Marittima, Grosseto Province, Tuscany, Italyi
Regional Level Types
Marsiliana slag localitySlag Locality
Valpiana - Castello della Marsiliana area slag sitesGroup of Slag Localities
Massa MarittimaCommune
Grosseto ProvinceProvince
TuscanyRegion
Italy- not defined -

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Latitude & Longitude (WGS84):
43° 1' 45'' North , 10° 49' 24'' East
Latitude & Longitude (decimal):
Nearest Settlements:
PlacePopulationDistance
Valpiana499 (2014)3.5km
Massa Marittima5,707 (2014)6.0km
Ghirlanda213 (2014)7.1km
Scarlino Scalo1,582 (2014)10.0km
Niccioleta248 (2014)10.9km
Mindat Locality ID:
233046
Long-form identifier:
mindat:1:2:233046:7
GUID (UUID V4):
ab25d7f4-f290-4324-8384-9e9890150723
Other/historical names associated with this locality:
Castello della Marsiliana slag locality
Other Languages:
Italian:
Località di scorie di Marsiliana (Località di scorie del Castello della Marsiliana, Siti di scorie dell'area Valpiana - Castello della Marsiliana (Siti di scorie della Media Valle Pecora), Massa Marittima, Provincia di Grosseto, Toscana, Italia


The Marsiliana smelting site is located 6 km west of Massa Marittima, near the Pecora River.

According to "Ordinamenta super artem fossarum rameriae et argenteriae civitatis Massae", as well as to archaeological dating, this smelting site was active for two centuries (13th and 14th). Remains of a hydraulic system near the slag heaps at Marsiliana suggest that in the Middle Ages, hydraulic power was used to ventilate furnaces and/or crush mineral charges. According to the traditional interpretation of "Ordinamenta super artem ...", the Marsiliana site was specialised in copper smelting.

Three slag heaps are known in the woods near the road: the two larger heaps are practically undisturbed, whereas the third one has been partially removed in modern times (slags were reused as road ballast).

The Marsiliana slag heaps consist of stratified, cake-sized fragments intermixed with rare remains of the furnace walls. The largest fragments have an irregular, flat, triangular shape, with a maximum size of 40×30×10 cm. Slags are often glassy in aspect; their colour ranges from dark grey to brownish-red, and flow textures are evident on the upper surface. Pyroxenes are the most abundant pyrometallurgic phases. Most of the Marsiliana slags prevalently consist of pyroxenes intermixed with sulphides in the glassy matrix. Pyroxenes often form elongated chains with acicular habit. Textures change from complete to progressively less complete crystals, until pyroxene can no longer be distinguished from the glassy matrix. Sulphides occur as abundant sphalerite and galena plus small chalcopyrite grains, intermixed with FeS and metallic lead. Olivines are rare at Marsiliana; the commonest habit of Marsiliana olivines ranges from polyhedral-granular to acicular (supercooling, ∆T lower than 60 °C). Olivine feathers may be present in the glassy matrix (∆T greater than 100 °C). The common occurrence of weathered copper phases is testified by frequent green coatings (Manasse & Mellini, 2002).

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


45 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:

Acanthite
Formula: Ag2S
Anglesite
Formula: PbSO4
Antimony
Formula: Sb
Aragonite
Formula: CaCO3
Arsenic
Formula: As
Atacamite
Formula: Cu2(OH)3Cl
Azurite
Formula: Cu3(CO3)2(OH)2
Beudantite
Formula: PbFe3(AsO4)(SO4)(OH)6
Brochantite
Formula: Cu4(SO4)(OH)6
Caledonite
Formula: Pb5Cu2(SO4)3(CO3)(OH)6
Chalcocite
Formula: Cu2S
Chalcophyllite
Formula: Cu18Al2(AsO4)4(SO4)3(OH)24 · 36H2O
Chalcopyrite
Formula: CuFeS2
Chenite
Formula: Pb4Cu(SO4)2(OH)6
Connellite
Formula: Cu19(SO4)(OH)32Cl4 · 3H2O
Copper
Formula: Cu
Covellite
Formula: CuS
Cuprite
Formula: Cu2O
Digenite
Formula: Cu9S5
Elyite
Formula: Pb4Cu(SO4)O2(OH)4 · H2O
Fayalite
Formula: Fe2+2SiO4
Ferrihydrite
Formula: Fe3+10O14(OH)2
References:
Galena
Formula: PbS
'Glass'
Goethite
Formula: α-Fe3+O(OH)
Gypsum
Formula: CaSO4 · 2H2O
Hedenbergite
Formula: CaFe2+Si2O6
Jarosite
Formula: KFe3+3(SO4)2(OH)6
Kirschsteinite
Formula: CaFe2+SiO4
Lanarkite
Formula: Pb2(SO4)O
Langite
Formula: Cu4(SO4)(OH)6 · 2H2O
Lead
Formula: Pb
'Limonite'
Litharge
Formula: PbO
Magnetite
Formula: Fe2+Fe3+2O4
Malachite
Formula: Cu2(CO3)(OH)2
Melanterite
Formula: Fe2+(H2O)6SO4 · H2O
Nantokite
Formula: CuCl
Plumbojarosite
Formula: Pb0.5Fe3+3(SO4)2(OH)6
'Pyroxene Group'
Formula: ADSi2O6
Pyrrhotite
Formula: Fe1-xS
Serpierite
Formula: Ca(Cu,Zn)4(SO4)2(OH)6 · 3H2O
References:
Siderite
Formula: FeCO3
Silver
Formula: Ag
References:
Spangolite
Formula: Cu6Al(SO4)(OH)12Cl · 3H2O
Sphalerite
Formula: ZnS
Spinel
Formula: MgAl2O4
Wüstite
Formula: FeO

Gallery:

Cu2(OH)3Cl Atacamite
Cu3(CO3)2(OH)2 Azurite
Cu4(SO4)(OH)6 Brochantite
Cu19(SO4)(OH)32Cl4 · 3H2O Connellite
CaSO4 · 2H2O Gypsum
Cu2(CO3)(OH)2 Malachite
Cu6Al(SO4)(OH)12Cl · 3H2O Spangolite

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Copper1.AA.05Cu
Lead1.AA.05Pb
Silver1.AA.05Ag
Antimony1.CA.05Sb
Arsenic1.CA.05As
Group 2 - Sulphides and Sulfosalts
Chalcocite2.BA.05Cu2S
Digenite2.BA.10Cu9S5
Acanthite2.BA.35Ag2S
Covellite2.CA.05aCuS
Sphalerite2.CB.05aZnS
Chalcopyrite2.CB.10aCuFeS2
Pyrrhotite2.CC.10Fe1-xS
Galena2.CD.10PbS
Group 3 - Halides
Nantokite3.AA.05CuCl
Atacamite3.DA.10aCu2(OH)3Cl
Connellite3.DA.25Cu19(SO4)(OH)32Cl4 · 3H2O
Group 4 - Oxides and Hydroxides
Goethite4.00.α-Fe3+O(OH)
Cuprite4.AA.10Cu2O
Wüstite4.AB.25FeO
Litharge4.AC.20PbO
Spinel4.BB.05MgAl2O4
Magnetite4.BB.05Fe2+Fe3+2O4
Ferrihydrite4.FE.35Fe3+10O14(OH)2
Group 5 - Nitrates and Carbonates
Siderite5.AB.05FeCO3
Aragonite5.AB.15CaCO3
Azurite5.BA.05Cu3(CO3)2(OH)2
Malachite5.BA.10Cu2(CO3)(OH)2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Anglesite7.AD.35PbSO4
Brochantite7.BB.25Cu4(SO4)(OH)6
Jarosite7.BC.10KFe3+3(SO4)2(OH)6
Plumbojarosite7.BC.10Pb0.5Fe3+3(SO4)2(OH)6
Caledonite7.BC.50Pb5Cu2(SO4)3(CO3)(OH)6
Chenite7.BC.70Pb4Cu(SO4)2(OH)6
Lanarkite7.BD.40Pb2(SO4)O
Melanterite7.CB.35Fe2+(H2O)6SO4 · H2O
Gypsum7.CD.40CaSO4 · 2H2O
Langite7.DD.10Cu4(SO4)(OH)6 · 2H2O
Spangolite7.DD.15Cu6Al(SO4)(OH)12Cl · 3H2O
Serpierite7.DD.30Ca(Cu,Zn)4(SO4)2(OH)6 · 3H2O
Elyite7.DF.65Pb4Cu(SO4)O2(OH)4 · H2O
Group 8 - Phosphates, Arsenates and Vanadates
Beudantite8.BL.05PbFe3(AsO4)(SO4)(OH)6
Chalcophyllite8.DF.30Cu18Al2(AsO4)4(SO4)3(OH)24 · 36H2O
Group 9 - Silicates
Kirschsteinite9.AC.05CaFe2+SiO4
Fayalite9.AC.05Fe2+2SiO4
Hedenbergite9.DA.15CaFe2+Si2O6
Unclassified
'Limonite'-
'Pyroxene Group'-ADSi2O6
'Glass'-

List of minerals for each chemical element

HHydrogen
H AtacamiteCu2(OH)3Cl
H AzuriteCu3(CO3)2(OH)2
H BeudantitePbFe3(AsO4)(SO4)(OH)6
H BrochantiteCu4(SO4)(OH)6
H CaledonitePb5Cu2(SO4)3(CO3)(OH)6
H ChalcophylliteCu18Al2(AsO4)4(SO4)3(OH)24 · 36H2O
H ChenitePb4Cu(SO4)2(OH)6
H ConnelliteCu19(SO4)(OH)32Cl4 · 3H2O
H ElyitePb4Cu(SO4)O2(OH)4 · H2O
H FerrihydriteFe103+O14(OH)2
H Goethiteα-Fe3+O(OH)
H GypsumCaSO4 · 2H2O
H JarositeKFe33+(SO4)2(OH)6
H LangiteCu4(SO4)(OH)6 · 2H2O
H MalachiteCu2(CO3)(OH)2
H MelanteriteFe2+(H2O)6SO4 · H2O
H PlumbojarositePb0.5Fe33+(SO4)2(OH)6
H SerpieriteCa(Cu,Zn)4(SO4)2(OH)6 · 3H2O
H SpangoliteCu6Al(SO4)(OH)12Cl · 3H2O
CCarbon
C AragoniteCaCO3
C AzuriteCu3(CO3)2(OH)2
C CaledonitePb5Cu2(SO4)3(CO3)(OH)6
C MalachiteCu2(CO3)(OH)2
C SideriteFeCO3
OOxygen
O AnglesitePbSO4
O AragoniteCaCO3
O AtacamiteCu2(OH)3Cl
O AzuriteCu3(CO3)2(OH)2
O BeudantitePbFe3(AsO4)(SO4)(OH)6
O BrochantiteCu4(SO4)(OH)6
O CaledonitePb5Cu2(SO4)3(CO3)(OH)6
O ChalcophylliteCu18Al2(AsO4)4(SO4)3(OH)24 · 36H2O
O ChenitePb4Cu(SO4)2(OH)6
O ConnelliteCu19(SO4)(OH)32Cl4 · 3H2O
O CupriteCu2O
O ElyitePb4Cu(SO4)O2(OH)4 · H2O
O FayaliteFe22+SiO4
O FerrihydriteFe103+O14(OH)2
O Goethiteα-Fe3+O(OH)
O GypsumCaSO4 · 2H2O
O HedenbergiteCaFe2+Si2O6
O JarositeKFe33+(SO4)2(OH)6
O KirschsteiniteCaFe2+SiO4
O LanarkitePb2(SO4)O
O LangiteCu4(SO4)(OH)6 · 2H2O
O LithargePbO
O MagnetiteFe2+Fe23+O4
O MalachiteCu2(CO3)(OH)2
O MelanteriteFe2+(H2O)6SO4 · H2O
O PlumbojarositePb0.5Fe33+(SO4)2(OH)6
O SerpieriteCa(Cu,Zn)4(SO4)2(OH)6 · 3H2O
O SideriteFeCO3
O SpangoliteCu6Al(SO4)(OH)12Cl · 3H2O
O SpinelMgAl2O4
O WüstiteFeO
O Pyroxene GroupADSi2O6
MgMagnesium
Mg SpinelMgAl2O4
AlAluminium
Al ChalcophylliteCu18Al2(AsO4)4(SO4)3(OH)24 · 36H2O
Al SpangoliteCu6Al(SO4)(OH)12Cl · 3H2O
Al SpinelMgAl2O4
SiSilicon
Si FayaliteFe22+SiO4
Si HedenbergiteCaFe2+Si2O6
Si KirschsteiniteCaFe2+SiO4
Si Pyroxene GroupADSi2O6
SSulfur
S AcanthiteAg2S
S AnglesitePbSO4
S BeudantitePbFe3(AsO4)(SO4)(OH)6
S BrochantiteCu4(SO4)(OH)6
S CaledonitePb5Cu2(SO4)3(CO3)(OH)6
S ChalcopyriteCuFeS2
S ChalcociteCu2S
S ChalcophylliteCu18Al2(AsO4)4(SO4)3(OH)24 · 36H2O
S ChenitePb4Cu(SO4)2(OH)6
S ConnelliteCu19(SO4)(OH)32Cl4 · 3H2O
S CovelliteCuS
S DigeniteCu9S5
S ElyitePb4Cu(SO4)O2(OH)4 · H2O
S GalenaPbS
S GypsumCaSO4 · 2H2O
S JarositeKFe33+(SO4)2(OH)6
S LanarkitePb2(SO4)O
S LangiteCu4(SO4)(OH)6 · 2H2O
S MelanteriteFe2+(H2O)6SO4 · H2O
S PlumbojarositePb0.5Fe33+(SO4)2(OH)6
S PyrrhotiteFe1-xS
S SerpieriteCa(Cu,Zn)4(SO4)2(OH)6 · 3H2O
S SpangoliteCu6Al(SO4)(OH)12Cl · 3H2O
S SphaleriteZnS
ClChlorine
Cl AtacamiteCu2(OH)3Cl
Cl ConnelliteCu19(SO4)(OH)32Cl4 · 3H2O
Cl NantokiteCuCl
Cl SpangoliteCu6Al(SO4)(OH)12Cl · 3H2O
KPotassium
K JarositeKFe33+(SO4)2(OH)6
CaCalcium
Ca AragoniteCaCO3
Ca GypsumCaSO4 · 2H2O
Ca HedenbergiteCaFe2+Si2O6
Ca KirschsteiniteCaFe2+SiO4
Ca SerpieriteCa(Cu,Zn)4(SO4)2(OH)6 · 3H2O
FeIron
Fe BeudantitePbFe3(AsO4)(SO4)(OH)6
Fe ChalcopyriteCuFeS2
Fe FayaliteFe22+SiO4
Fe FerrihydriteFe103+O14(OH)2
Fe Goethiteα-Fe3+O(OH)
Fe HedenbergiteCaFe2+Si2O6
Fe JarositeKFe33+(SO4)2(OH)6
Fe KirschsteiniteCaFe2+SiO4
Fe MagnetiteFe2+Fe23+O4
Fe MelanteriteFe2+(H2O)6SO4 · H2O
Fe PlumbojarositePb0.5Fe33+(SO4)2(OH)6
Fe PyrrhotiteFe1-xS
Fe SideriteFeCO3
Fe WüstiteFeO
CuCopper
Cu AtacamiteCu2(OH)3Cl
Cu AzuriteCu3(CO3)2(OH)2
Cu BrochantiteCu4(SO4)(OH)6
Cu CaledonitePb5Cu2(SO4)3(CO3)(OH)6
Cu ChalcopyriteCuFeS2
Cu ChalcociteCu2S
Cu ChalcophylliteCu18Al2(AsO4)4(SO4)3(OH)24 · 36H2O
Cu ChenitePb4Cu(SO4)2(OH)6
Cu ConnelliteCu19(SO4)(OH)32Cl4 · 3H2O
Cu CovelliteCuS
Cu CupriteCu2O
Cu CopperCu
Cu DigeniteCu9S5
Cu ElyitePb4Cu(SO4)O2(OH)4 · H2O
Cu LangiteCu4(SO4)(OH)6 · 2H2O
Cu MalachiteCu2(CO3)(OH)2
Cu NantokiteCuCl
Cu SerpieriteCa(Cu,Zn)4(SO4)2(OH)6 · 3H2O
Cu SpangoliteCu6Al(SO4)(OH)12Cl · 3H2O
ZnZinc
Zn SerpieriteCa(Cu,Zn)4(SO4)2(OH)6 · 3H2O
Zn SphaleriteZnS
AsArsenic
As ArsenicAs
As BeudantitePbFe3(AsO4)(SO4)(OH)6
As ChalcophylliteCu18Al2(AsO4)4(SO4)3(OH)24 · 36H2O
AgSilver
Ag AcanthiteAg2S
Ag SilverAg
SbAntimony
Sb AntimonySb
PbLead
Pb AnglesitePbSO4
Pb BeudantitePbFe3(AsO4)(SO4)(OH)6
Pb CaledonitePb5Cu2(SO4)3(CO3)(OH)6
Pb ChenitePb4Cu(SO4)2(OH)6
Pb ElyitePb4Cu(SO4)O2(OH)4 · H2O
Pb GalenaPbS
Pb LanarkitePb2(SO4)O
Pb LeadPb
Pb LithargePbO
Pb PlumbojarositePb0.5Fe33+(SO4)2(OH)6

Other Regions, Features and Areas containing this locality

Eurasian PlateTectonic Plate
EuropeContinent

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

 
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