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26 de Agosto mine (Brillador mine), Brillador district, Elqui Province, Coquimbo Region, Chile

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A medium-scale, quite active Cu mine: interestingly, a very rare find of millimetric cornetite has been found during the 1970s. One great specimen is preserved in the Copiapó Mineralogical Museum, of the Copiapó Geological School of Mine University.
Mineralization hosted in andesite rocks.



References:
M. Dini

C. Ruiz Fuller/F. Peebles (1988): "Yacimientos metalíferos de Chile": Fondecyt, Stgo de Chile.





Mineral List:
  		•  Bornite
    Cu
     
    5
    		FeS
     
    4
    Reference: [C. Ruiz Fuller/F. Peebles (1988): \"Yacimientos metalíferos de Chile\": Fondecyt, Stgo de Chile.]
  		•  Chalcocite
    Cu
     
    2
    		S
    Reference: [C. Ruiz Fuller/F. Peebles (1988): \"Yacimientos metalíferos de Chile\": Fondecyt, Stgo de Chile.]
  		•  Chalcopyrite
    CuFeS
     
    2
    Reference: [C. Ruiz Fuller/F. Peebles (1988): \"Yacimientos metalíferos de Chile\": Fondecyt, Stgo de Chile.]
  		•  Chrysocolla
    (Cu,Al)
     
    2
    		H
     
    2
    		Si
     
    2
    		O
     
    5
    		(OH)
     
    4
    		·nH
     
    2
    		O
    Reference: [C. Ruiz Fuller/F. Peebles (1988): \"Yacimientos metalíferos de Chile\": Fondecyt, Stgo de Chile.]
  		•  Cornetite
    Cu
     
    3
    		[(OH)
     
    3
    		|PO
     
    4
    		]
    Reference: [C. Ruiz Fuller/F. Peebles (1988): \"Yacimientos metalíferos de Chile\": Fondecyt, Stgo de Chile.]
  		•  Hematite
    Fe
     
    2
    		O
     
    3
    Reference: [C. Ruiz Fuller/F. Peebles (1988): \"Yacimientos metalíferos de Chile\": Fondecyt, Stgo de Chile.]
  		•  Magnetite
    Fe
    2+
     
    		Fe
    3+
    2
    		O
     
    4
    Reference: [C. Ruiz Fuller/F. Peebles (1988): \"Yacimientos metalíferos de Chile\": Fondecyt, Stgo de Chile.]
  		•  Malachite
    Cu
     
    2
    		[(OH)
     
    2
    		|CO
     
    3
    		]
    Reference: [C. Ruiz Fuller/F. Peebles (1988): \"Yacimientos metalíferos de Chile\": Fondecyt, Stgo de Chile.]
  		•  Pyrite
    FeS
     
    2
    Reference: [C. Ruiz Fuller/F. Peebles (1988): \"Yacimientos metalíferos de Chile\": Fondecyt, Stgo de Chile.]


    9 entries listed. 9 valid minerals.

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