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Eiras Quarry (incl. Eiras de cima quarry), Sanfins, Valença do Minho, Viana do Castelo District, Portugal

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Granite quarry, closed.
Eiras de cima is a very small quarry about 200 m from Eiras quarry and is included in this locality (mineralisations are very similar).





Mineral List:
  		•  Albite
    Na[AlSi
     
    3
    		O
     
    8
    		]
    Reference: [Nuno Afonso collection (XRD-analysed)]
    Site Photo
    Eiras Quarry (incl. Eiras de cima quarry), Sanfins, Valença do Minho, Viana do Castelo District, Portugal
    © nuno afonso
  		•  Albite
    var: Cleavelandite
    Reference: [Pedro Alves collection]
  		•  Anatase
    TiO
     
    2
    Reference: [Nuno Afonso collection (XRD-analysed)]
  		•  'Chlorite Group'
    Reference: [Pedro Alves collection]
  		•  Clinochlore
    (Mg,Fe
    2+
     
    		)
     
    5
    		Al[(OH)
     
    8
    		|AlSi
     
    3
    		O
     
    10
    		]
    Reference: [Nuno Afonso collection (XRD-analysed)]
  		•  Columbite-(Fe)
    FeNb
     
    2
    		O
     
    6
    Reference: [Nuno Afonso collection (XRD-analysed)]
  		•  Fluorite
    CaF
     
    2
    Reference: [Pedro Alves collection; Nuno Afonso collection (XRD-analysed)]
  		•  Microcline
    K[AlSi
     
    3
    		O
     
    8
    		]
    Reference: [Pedro Alves collection; Nuno Afonso collection (XRD-analysed)]
  		•  Microcline
    var: Amazonite
    Reference: [Pedro Alves collection]
  		•  Molybdenite
    MoS
     
    2
    Reference: [Pedro Alves collection]
  		•  Opal
    var: Opal-AN
    SiO
     
    2
    		·nH
     
    2
    		O
    Reference: [Pedro Alves collection; Nuno Afonso collection (XRD-analysed)]
  		•  Pyrite
    FeS
     
    2
    Reference: [Nuno Afonso collection (XRD-analysed); Pedro Alves collection]
  		•  Quartz
    SiO
     
    2
    Reference: [Pedro Alves collection]
  		•  Schorl
    [Na][Fe
    2+
    3
    		][Al
     
    6
    		][(OH)
     
    3
    		|OH|(BO
     
    3
    		)
     
    3
    		|Si
     
    6
    		O
     
    18
    		]
    Reference: [Pedro Alves collection]
  		•  Wulfenite
    Pb[MoO
     
    4
    		]
    Reference: [Pedro Alves collection]
  		•  Zircon
    Zr[SiO
     
    4
    		]
    Reference: [Nuno Afonso collection (XRD-analysed)]


    16 entries listed. 12 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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