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Brosso Mine, Cálea, Léssolo, Canavese District, Torino Province, Piedmont, Italy

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(Miniera di Brosso, Cálea, Léssolo/Brosso, Canavese, Torino, Piemonte, Italia)

Some iron (pyrite) mines on the municipalities of Lessolo and Brosso.



References:
Selected references:

-Giussani, A. & Vighi, L. (1964): Caratteristiche e genesi dei minerali di boro, ludwigte, ferroludwigite, szaibelyite, camsdellite, della miniera di Brosso (Ivrea). Periodico di Mineralogia, 33, 471-490.
-Abbona, F., Compagnoni, R., Ferraris, G. (1968) - Contributo alla conoscenza di minerali arsenicali; nota I: Ricerche su nuovi minerali di Brosso (Torino). Periodico di Mineralogia, 245-267.
-Campostrini, I. (2001): Le miniere di Brosso. Monografie XXIX. Museo Regionale di Scienze Naturali, Ed., Torino, 185 pp.
-Preite, D., Ciriotti, M. E., Blaβ, G., Piccoli, G. (2006). Novità da Brosso: delafossite. MICRO (UK report), 2006, 27-28.
-Piccoli, G.C., Maletto, G., Bosio, P., Lombardo, B. (2007). Minerali del Piemonte e della Valle d'Aosta. Associazione Amici del Museo "F. Eusebio" Alba, Ed., Alba (Cuneo) 607 pp.




Group 1 - Elements
  		• Antimony1.CA.05
    Sb
  		• Arsenic1.CA.05
    As
  		• Bismuth1.CA.05
    Bi
  		• Silver1.AA.05
    Ag
  		• Sulphur1.CC.05
    S
     
    8
    Group 2 - Sulphides and Sulfosalts
  		• Arsenopyrite2.EB.20
    FeAsS - (Fe
     
    0.90
    		Co
     
    0.10
    		)AsS
  		• Bismuthinite2.DB.05
    Bi
     
    2
    		S
     
    3
  		• Bornite2.BA.15
    Cu
     
    5
    		FeS
     
    4
  		• Boulangerite2.HC.15
    Pb
     
    5
    		Sb
     
    4
    		S
     
    11
  		• Bournonite2.GA.50
    PbCuSbS
     
    3
  		• Chalcopyrite2.CB.10a
    CuFeS
     
    2
  		• Cosalite2.JB.10
    Pb
     
    2
    		Bi
     
    2
    		S
     
    5
  		• Galena2.CD.10
    PbS
  		• Jamesonite ?2.HB.15
    Pb
     
    4
    		FeSb
     
    6
    		S
     
    14
  		• Marcasite2.EB.10a
    FeS
     
    2
  		• Pyrite2.EB.05a
    FeS
     
    2
  		• Pyrrhotite2.CC.10
    Fe
     
    7
    		S
     
    8
    		, (-4M), also given as Fe
     
    1-x
    		S (x = 0 - 0.2)
  		• Sphalerite2.CB.05a
    (Zn,Fe
    2+
     
    		)S
  		• Tetrahedrite2.GB.05
    (Cu,Fe,Ag,Zn)
     
    12
    		Sb
     
    4
    		S
     
    13
  		• Valleriite2.FD.30
    (Fe
    2+
     
    		,Cu)
     
    4
    		(Mg,Al)
     
    3
    		[(OH,O)
     
    6
    		|S
     
    4
    		]
    Group 3 - Halides
  		• Fluorite3.AB.25
    CaF
     
    2
    Group 4 - Oxides and Hydroxides
  		• Anatase4.DD.05
    TiO
     
    2
  		• Arsenolite4.CB.50
    As
     
    2
    		O
     
    3
  		• Brookite4.DD.10
    TiO
     
    2
  		• Brucite4.FE.05
    Mg(OH)
     
    2
  		• Cuprite4.AA.10
    Cu
     
    2
    		O
  		• Delafossite4.AB.15
    CuFeO
     
    2
  		• Ferberite4.DB.30
    FeWO
     
    4
  		• Goethite4.FD.10
    α-Fe
    3+
     
    		O(OH)
  		• Hematite4.CB.05
    Fe
     
    2
    		O
     
    3
  		• Magnetite4.BB.05
    Fe
    2+
     
    		Fe
    3+
    2
    		O
     
    4
  		• Melanophlogite4.DA.25
    46SiO
     
    2
    		·6(N
     
    2
    		,CO
     
    2
    		)·2(CH
     
    4
    		,N
     
    2
    		)
  		• Plattnerite ?4.DB.05
    PbO
     
    2
  		• Quartz4.DA.05
    SiO
     
    2
      var: Prase4.DA.05
    SiO
     
    2
  		• Rutile4.DB.05
    TiO
     
    2
  		• Tungstite ?4.FJ.10
    WO
     
    3
    		·H
     
    2
    		O
  		• Uraninite4.DL.05
    UO
     
    2
    Group 5 - Nitrates and Carbonates
  		• Ankerite5.AB.10
    Ca(Fe
    2+
     
    		 ,Mg,Mn
    2+
     
    		)(CO
     
    3
    		)
     
    2
  		• Aragonite5.AB.15
    CaCO
     
    3
  		• Azurite5.BA.05
    Cu
     
    3
    		[OH|CO
     
    3
    		]
     
    2
  		• Bismutite5.BE.25
    (BiO)
     
    2
    		CO
     
    3
  		• Calcite5.AB.05
    CaCO
     
    3
  		• Cerussite5.AB.15
    PbCO
     
    3
  		• Dolomite5.AB.10
    CaMg(CO
     
    3
    		)
     
    2
      var: Brossite5.AB.10
    CaMg(CO
     
    3
    		)
     
    2
  		• Dypingite ?5.DA.05
    Mg
     
    5
    		[OH|(CO
     
    3
    		)
     
    2
    		]
     
    2
    		 · 5H
     
    2
    		O
  		• Hydromagnesite5.DA.05
    Mg
     
    5
    		[(CO
     
    3
    		)
     
    4
    		(OH)
     
    2
    		] · 4H
     
    2
    		O
  		• Hydrotalcite5.DA.50
    Mg
     
    6
    		Al
     
    2
    		[(OH)
     
    16
    		|CO
     
    3
    		] · 4H
     
    2
    		O
  		• Magnesite5.AB.05
    MgCO
     
    3
  		• Malachite5.BA.10
    Cu
     
    2
    		[(OH)
     
    2
    		|CO
     
    3
    		]
  		• Nesquehonite5.CA.05
    MgCO
     
    3
    		·3H
     
    2
    		O
  		• Pyroaurite5.DA.50
    Mg
     
    6
    		Fe
    3+
    2
    		[(OH)
     
    16
    		|CO
     
    3
    		] · 4H
     
    2
    		O
  		• Siderite5.AB.05
    FeCO
     
    3
  		• Strontianite5.AB.15
    SrCO
     
    3
    Group 6 - Borates
  		• Canavesite (TL)6.HA.50
    Mg
     
    2
    		[CO
     
    3
    		|HBO
     
    3
    		] · 5H
     
    2
    		O
  		• Inderite6.CA.15
    Mg(H
     
    4
    		B
     
    3
    		O
     
    7
    		)(OH) · 5H
     
    2
    		O
  		• Ludwigite6.AB.30
    Mg
     
    2
    		Fe
    3+
     
    		[O
     
    2
    		|BO
     
    3
    		]
  		• Szaibélyite6.BA.15
    Mg
     
    2
    		[(OH)(B
     
    2
    		O
     
    4
    		(OH))]
    Group 7 - Sulphates, Chromates, Molybdates and Tungstates
  		• Anhydrite7.AD.30
    CaSO
     
    4
  		• Baryte7.AD.35
    BaSO
     
    4
  		• Celestine7.AD.35
    SrSO
     
    4
  		• Cuprotungstite ?7.GB.15
    Cu
     
    2
    		[(OH)
     
    2
    		|WO
     
    4
    		]
  		• Epsomite7.CB.40
    MgSO
     
    4
    		·7H
     
    2
    		O
  		• Gypsum7.CD.40
    Ca[SO
     
    4
    		] · 2H
     
    2
    		O
  		• Hexahydrite7.CB.25
    MgSO
     
    4
    		·6H
     
    2
    		O
  		• Langite7.DD.10
    Cu
     
    4
    		[(OH)
     
    6
    		|SO
     
    4
    		] · 2H
     
    2
    		O
  		• Linarite7.BC.65
    PbCu[(OH)
     
    2
    		|SO
     
    4
    		]
  		• Melanterite7.CB.35
    FeSO
     
    4
    		·7H
     
    2
    		O
  		• Pickeringite7.CB.85
    MgAl
     
    2
    		(SO
     
    4
    		)
     
    4
    		·22H
     
    2
    		O
  		• Scheelite7.GA.05
    Ca[WO
     
    4
    		]
    Group 8 - Phosphates, Arsenates and Vanadates
  		• Pharmacolite8.CJ.50
    CaHAsO
     
    4
    		·2H
     
    2
    		O
  		• Picropharmacolite8.CH.15
    Ca
     
    4
    		Mg[(HAsO
     
    4
    		)
     
    2
    		|(AsO
     
    4
    		)
     
    2
    		] · 11H
     
    2
    		O
  		• Pyromorphite8.BN.05
    Pb
     
    5
    		[Cl|(PO
     
    4
    		)
     
    3
    		]
  		• Svanbergite8.BL.05
    SrAl
     
    3
    		[(OH)
     
    6
    		|SO
     
    4
    		|PO
     
    4
    		]
    Group 9 - Silicates
  		• Actinolite9.DE.10
    ☐Ca
     
    2
    		(Mg,Fe
    2+
     
    		)
     
    5
    		(Si
     
    8
    		O
     
    22
    		)(OH)
     
    2
  		• Allophane ?9.ED.20
    (Al
     
    2
    		O
     
    3
    		)(SiO
     
    2
    		)
     
    1.3-2
    		·2.5-3H
     
    2
    		O
  		• Amesite9.ED.15
    Mg
     
    2
    		Al[(OH)
     
    4
    		|AlSiO
     
    5
    		]
  		• Andradite9.AD.25
    Ca
     
    3
    		Fe
    3+
    2
    		[SiO
     
    4
    		]
     
    3
  		• Antigorite9.ED.15
    (Mg,Fe
    2+
     
    		)
     
    3
    		[(OH)
     
    4
    		|Si
     
    2
    		O
     
    5
    		]
  		• Augite
    var: Fassaite    		9.DA.15
    (Ca,Na)(Mg,Fe
    2+
     
    		,Al,Fe
    3+
     
    		,Ti)[(Si,Al)
     
    2
    		O
     
    6
    		]
  		• Berthierine9.ED.15
    (Fe,Fe,Mg)
     
    2-3
    		(Si,Al)
     
    2
    		O
     
    5
    		(OH)
     
    4
  		• Biotite9..
  		• Chrysotile9.ED.15
    Mg
     
    3
    		Si
     
    2
    		O
     
    5
    		(OH)
     
    4
  		• Cronstedtite9.ED.15
    Fe
    2+
    2
    		Fe
    3+
     
    		[(Si,Fe
    3+
     
    		)
     
    2
    		O
     
    5
    		](OH)
     
    4
  		• Dickite9.ED.05
    Al
     
    2
    		Si
     
    2
    		O
     
    5
    		(OH)
     
    4
  		• Diopside9.DA.15
    CaMg[Si
     
    2
    		O
     
    6
    		]
  		• Enstatite9.DA.05
    Mg
     
    2
    		[SiO
     
    3
    		]
     
    2
  		• Epidote9.BG.05
    {Ca
     
    2
    		}{Al
     
    2
    		Fe
    3+
     
    		}[O|OH|SiO
     
    4
    		|Si
     
    2
    		O
     
    7
    		]
  		• Ferrohornblende9.DE.10
    ☐[Ca
     
    2
    		][Fe
    2+
    4
    		Al][(OH)
     
    2
    		|AlSi
     
    7
    		O
     
    22
    		]
  		• Forsterite9.AC.05
    Mg
     
    2
    		[SiO
     
    4
    		]
  		• Gedrite9.DD.05
    ☐[Mg
     
    2
    		][Mg
     
    3
    		Al
     
    2
    		][(OH)
     
    2
    		|Al
     
    2
    		Si
     
    6
    		O
     
    22
    		]
  		• Lizardite9.ED.15
    Mg
     
    3
    		[(OH)
     
    4
    		|Si
     
    2
    		O
     
    5
    		]
  		• Magnesiohastingsite9.DE.15
    Na[Ca
     
    2
    		][Mg
     
    4
    		Fe
    3+
     
    		][(OH)
     
    2
    		|Al
     
    2
    		Si
     
    6
    		O
     
    22
    		]
  		• Muscovite9.EC.15
    KAl
     
    2
    		[(OH)
     
    2
    		|AlSi
     
    3
    		O
     
    10
    		]
  		• Orthoclase9.FA.30
    K[AlSi
     
    3
    		O
     
    8
    		]
  		• Richterite9.DE.20
    Na[CaNa][Mg
     
    5
    		][(OH)
     
    2
    		|Si
     
    8
    		O
     
    22
    		]
  		• Sepiolite9.EE.25
    Mg
     
    4
    		Si
     
    6
    		O
     
    15
    		(OH)
     
    2
    		·6H
     
    2
    		O
  		• Talc9.EC.05
    Mg
     
    3
    		Si
     
    4
    		O
     
    10
    		(OH)
     
    2
  		• Titanite9.AG.15
    CaTi[O|SiO
     
    4
    		]
  		• Topaz ?9.AF.35
    Al
     
    2
    		[(F,OH)
     
    2
    		|SiO
     
    4
    		]
  		• Tremolite9.DE.10
    ☐[Ca
     
    2
    		][Mg
     
    5
    		][(OH)
     
    2
    		|Si
     
    8
    		O
     
    22
    		]
    Unclassified Minerals
  		• 'Apatite'-
  		• 'Chabazite'-
  		• 'Chlorite Group'-
  		• 'Hornblende'-


    106 entries listed. 101 valid minerals.

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