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Itos Mine, Oruro City, Cercado Province, Oruro Department, Bolivia

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Large tin-silver mine. Source of the world's best franckeite specimens. Specimens from here are hard to distinguish from those of the neighboring San Jose mine (qv) and, since the administrative office for both mines was at San Jose, most Itos mine specimens in foreign collections ended up labelled "San Jose mine".

Refs.: (in part):
Dana 7:I:427, 454, 459 & 477
Rocks & Min.: 16:133
Min.Rec.: 32:473.





Map Reference: 17°57'52"S , 67°8'2"W

This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.



Mineral List:
  		•  Acanthite
    Ag
     
    2
    		S
    Reference: [MinRec 32:473]
  		•  Alunite
    KAl
     
    3
    		[(OH)
     
    3
    		|SO
     
    4
    		]
     
    2
    Reference: [No reference listed]
  		•  Andorite
    PbAgSb
     
    3
    		S
     
    6
    Reference: [MinRec 32:473]
    Site Photo
    Itos Mine, Oruro City, Cercado Province, Oruro Department, Bolivia
    © Paul Bongaerts
  		•  Arsenopyrite
    FeAsS - (Fe
     
    0.90
    		Co
     
    0.10
    		)AsS
    Reference: [MinRec 32:473]
  		•  Augelite
    Al
     
    2
    		[(OH)
     
    3
    		|PO
     
    4
    		]
    Reference: [MinRec 32:473]
  		•  Baryte
    BaSO
     
    4
    Reference: [No reference listed]
  		•  Cassiterite
    SnO
     
    2
    Reference: [MinRec 32:473; Min Rec (1977) 8:52-57]
  		•  Cerussite
    PbCO
     
    3
    Reference: [No reference listed]
  		•  Chalcostibite
    CuSbS
     
    2
    Reference: [MinRec 32:473]
  		•  Cylindrite
    Pb
     
    3
    		Sn
     
    4
    		FeSb
     
    2
    		S
     
    14
    Reference: [Alfredo Petrov collection]
  		•  Diaphorite
    Ag
     
    3
    		Pb
     
    2
    		Sb
     
    3
    		S
     
    8
    Reference: [No reference listed]
  		•  Dolomite
    CaMg(CO
     
    3
    		)
     
    2
    Reference: [MinRec 32:473]
  		•  Ferrokësterite
    Cu
     
    2
    		(Fe,Zn)SnS
     
    4
    Reference: [No reference listed]
  		•  Franckeite
    Fe
    2+
     
    		(Pb,Sn
    2+
     
    		)
     
    6
    		Sn
    4+
    2
    		Sb
     
    2
    		S
     
    14
    Reference: [MinRec 32:473]
    Site Photo
    Itos Mine, Oruro City, Cercado Province, Oruro Department, Bolivia
    © Knut Eldjarn
  		•  Freibergite
    (Ag
     
    4+2x
    		Cu
     
    2-2x
    		)[(Cu, Ag)
     
    4
    		(Fe, Zn)
     
    2
    		]Sb
     
    4
    		S
     
    12
    		S
     
    1-x
    		 (0 < x < 1)
    Reference: [MinRec 32:473]
  		•  Heteromorphite
    Pb
     
    7
    		Sb
     
    8
    		S
     
    19
    Reference: [MinRec 32:473]
  		•  Jamesonite
    Pb
     
    4
    		FeSb
     
    6
    		S
     
    14
    Reference: [MinRec 32:473]
    Site Photo
    Itos Mine, Oruro City, Cercado Province, Oruro Department, Bolivia
    © C.Boutry
  		•  Kaolinite
    Al
     
    2
    		Si
     
    2
    		O
     
    5
    		(OH)
     
    4
    Reference: [MinRec 32:473]
  		•  Metastibnite
    Sb
     
    2
    		S
     
    3
    Reference: [MinRec 32:473]
  		•  Miargyrite
    AgSbS
     
    2
    Reference: [MinRec 6:133]
  		•  Natroalunite
    (Na,K)Al
     
    3
    		[(OH)
     
    3
    		|SO
     
    4
    		]
     
    2
    Reference: [MinRec 32:473]
  		•  Plagionite
    Pb
     
    5
    		Sb
     
    8
    		S
     
    17
    Reference: [No reference listed]
  		•  Pyrite
    FeS
     
    2
    Reference: [MinRec 32:473]
  		•  Quartz
    SiO
     
    2
    Reference: [No reference listed]
  		•  Sakharovaite
    Reference: [MinRec 32:473]
  		•  Semseyite
    Pb
     
    9
    		Sb
     
    8
    		S
     
    21
    Reference: [No reference listed]
  		•  Silver
    Ag
    Reference: [MinRec 32:473]
  		•  Stannite
    Cu
     
    2
    		(Fe,Zn)SnS
     
    4
    Reference: [MinRec 32:473]
    Site Photo
    Itos Mine, Oruro City, Cercado Province, Oruro Department, Bolivia
     
  		•  Stibnite
    Sb
     
    2
    		S
     
    3
    Reference: [MinRec 32:473]
  		•  Tetrahedrite
    (Cu,Fe,Ag,Zn)
     
    12
    		Sb
     
    4
    		S
     
    13
    Reference: [MinRec 32:473]
  		•  Vivianite
    Fe
    2+
    3
    		(PO
     
    4
    		)
     
    2
    		·8H
     
    2
    		O
    Reference: [No reference listed]
  		•  Wavellite
    Al
     
    3
    		[(OH,F)
     
    3
    		|(PO
     
    4
    		)
     
    2
    		] · 5H
     
    2
    		O
    Reference: [No reference listed]
  		•  Zinkenite
    Pb
     
    9
    		Sb
     
    22
    		S
     
    42
    Reference: [MinRec 32:473; Rocks & Min.: 16:133.]
    Site Photo
    Itos Mine, Oruro City, Cercado Province, Oruro Department, Bolivia
    © John Sobolewsski


    33 entries listed. 31 valid minerals.

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