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Porriño quarries, Porriño, Pontevedra, Galicia, Spain

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(Canteras de Porriño, Porriño, Pontevedra, España)

Quarries, presently worked, in a granitic batholith. The pegmatites and miarolityc cavities contains large quartz and microcline crystals and some uncommon minerals.



References:
Calvo, M., Viñals, J. and Vila, F. (2009) Mineralogy of the pegmatites and miarolitic cavities in the granitic batholit of Porriño, Pontevedra, galicia, Spain. Mineral Up, (2009-1), 6-23




Group 2 - Sulphides and Sulfosalts
  		• Bismuthinite2.DB.05
    Bi
     
    2
    		S
     
    3
  		• Galena2.CD.10
    PbS
  		• Marcasite2.EB.10a
    FeS
     
    2
  		• Molybdenite2.EA.30
    MoS
     
    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
    Group 3 - Halides
  		• Fluorite3.AB.25
    CaF
     
    2
    Group 4 - Oxides and Hydroxides
  		• Anatase4.DD.05
    TiO
     
    2
  		• Cassiterite4.DB.05
    SnO
     
    2
  		• Coronadite4.DK.05
    Pb(Mn
    4+
     
    		,Mn
    3+
     
    		)
     
    8
    		O
     
    16
  		• Opal4.DA.10
    SiO
     
    2
    		·nH
     
    2
    		O
  		• Pyrolusite4.DB.05
    MnO
     
    2
  		• Quartz4.DA.05
    SiO
     
    2
      var: Smoky Quartz4.DA.05
    SiO
     
    2
  		• Rutile4.DB.05
    TiO
     
    2
    Group 5 - Nitrates and Carbonates
  		• Bastnäsite-(Ce)5.BD.20a
    (Ce,La)[F|CO
     
    3
    		]
  		• Calcite5.AB.05
    CaCO
     
    3
  		• Synchysite-(Ce)5.BD.20c
    Ca(Ce,La)[F|(CO
     
    3
    		)
     
    2
    		]
    Group 7 - Sulphates, Chromates, Molybdates and Tungstates
  		• Wulfenite7.GA.05
    Pb[MoO
     
    4
    		]
    Group 8 - Phosphates, Arsenates and Vanadates
  		• Rhabdophane-(Ce)8.CJ.45
    (Ce,La)PO
     
    4
    		·H
     
    2
    		O
    Group 9 - Silicates
  		• Albite9.FA.35
    Na[AlSi
     
    3
    		O
     
    8
    		]
  		• Allanite-(Ce)9.BG.05
    {CaCe}{Al
     
    2
    		Fe
    2+
     
    		}[O|OH|SiO
     
    4
    		|Si
     
    2
    		O
     
    7
    		]
  		• Biotite9..
  		• Chamosite9.EC.55
    (Fe
    2+
     
    		,Mg)
     
    5
    		Al[(OH)
     
    8
    		|AlSi
     
    3
    		O
     
    10
    		]
  		• Epidote9.BG.05
    {Ca
     
    2
    		}{Al
     
    2
    		Fe
    3+
     
    		}[O|OH|SiO
     
    4
    		|Si
     
    2
    		O
     
    7
    		]
  		• Kainosite-(Y)9.CF.10
    Ca
     
    2
    		(Y,Ce)
     
    2
    		Si
     
    4
    		O
     
    12
    		CO
     
    3
    		·H
     
    2
    		O
  		• Microcline9.FA.30
    K[AlSi
     
    3
    		O
     
    8
    		]
  		• Muscovite9.EC.15
    KAl
     
    2
    		[(OH)
     
    2
    		|AlSi
     
    3
    		O
     
    10
    		]
  		• Nontronite9.EC.40
    Na
     
    0.3
    		Fe
     
    2
    		(Si,Al)
     
    4
    		O
     
    10
    		(OH)
     
    2
    		·nH
     
    2
    		O
  		• Schorl9.CK.05
    [Na][Fe
    2+
    3
    		][Al
     
    6
    		][(OH)
     
    3
    		|OH|(BO
     
    3
    		)
     
    3
    		|Si
     
    6
    		O
     
    18
    		]
  		• Titanite9.AG.15
    CaTi[O|SiO
     
    4
    		]
  		• Zircon9.AD.30
    Zr[SiO
     
    4
    		]
    Unclassified Minerals
  		• Cheralite-(Ce)-


    34 entries listed. 32 valid minerals.

    The above list 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!
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