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Terranera Mine, Porto Azzurro, Elba Island, Livorno Province, Tuscany, Italy

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(Miniera di Terranera, Porto Azzurro, Isola d'Elba, Livorno, Toscana, Italia)

(m. 0-31 on s.l.) Modern exploitation start in 1880 and end in 1970, but this mine was known also by the ancients.
Placed on the coast, less than 2 km. at NE of the spanish fortress of Porto Azzurro, is known today for the little lake separated from the sea by a narrow beach.
Ore body was hematite and limonite, with pyrite at the bed.

References:
-De Michele, V. (1974). Guida mineralogica d'Italia. Istituto Geografico De Agostini, Novara, 2 vol
-N. Calanchi, G. Dal Rio, A. Prati (1976). Miniere e minerali dell'Elba orientale - Tip. Cacciari, Bologna




Group 2 - Sulphides and Sulfosalts
  		• Arsenopyrite2.EB.20
    FeAsS - (Fe
     
    0.90
    		Co
     
    0.10
    		)AsS
  		• Pyrite2.EB.05a
    FeS
     
    2
    Group 4 - Oxides and Hydroxides
  		• Cuprite
    var: Chalcotrichite    		4.AA.10
    Cu
     
    2
    		O
  		• Hematite4.CB.05
    Fe
     
    2
    		O
     
    3
  		• Magnetite4.BB.05
    Fe
    2+
     
    		Fe
    3+
    2
    		O
     
    4
  		• Quartz4.DA.05
    SiO
     
    2
    Group 5 - Nitrates and Carbonates
  		• Aragonite5.AB.15
    CaCO
     
    3
  		• Calcite5.AB.05
    CaCO
     
    3
  		• Malachite5.BA.10
    Cu
     
    2
    		[(OH)
     
    2
    		|CO
     
    3
    		]
    Group 7 - Sulphates, Chromates, Molybdates and Tungstates
  		• Alunite7.BC.10
    KAl
     
    3
    		[(OH)
     
    3
    		|SO
     
    4
    		]
     
    2
  		• Botryogen7.DC.25
    MgFe
    3+
     
    		[OH|(SO
     
    4
    		)
     
    2
    		] · 7H
     
    2
    		O
  		• Copiapite7.DB.35
    Fe
    2+
     
    		Fe
    3+
    4
    		[OH|(SO
     
    4
    		)
     
    3
    		]
     
    2
    		 · 20H
     
    2
    		O
  		• Melanterite7.CB.35
    FeSO
     
    4
    		·7H
     
    2
    		O
      var: Cuprian Melanterite7.CB.35
    (Fe,Cu)SO
     
    4
    		·7H
     
    2
    		O
  		• Pickeringite7.CB.85
    MgAl
     
    2
    		(SO
     
    4
    		)
     
    4
    		·22H
     
    2
    		O
    Unclassified Minerals
  		• Limonite-
    FeO(OH)·nH
     
    2
    		O


    16 entries listed. 15 valid minerals.

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