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Huanuni mine, Huanuni, Dalence Province, Oruro Department, Bolivia

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This is the world's richest cassiterite deposit. Secondary enrichment of cassiterite (by oxidation and leaching out of sulfides) left veins of cassiterite breccia up to several meters thick.





 Map Reference: 18°17'4"S , 66°49'59"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.


Group 2 - Sulphides and Sulfosalts
  		• Arsenopyrite2.EB.20
    FeAsS - (Fe
     
    0.90
    		Co
     
    0.10
    		)AsS
  		• Bismuthinite2.DB.05
    Bi
     
    2
    		S
     
    3
  		• Bournonite2.GA.50
    PbCuSbS
     
    3
  		• Chalcopyrite2.CB.10a
    CuFeS
     
    2
  		• Franckeite2.HF.25b
    Fe
    2+
     
    		(Pb,Sn
    2+
     
    		)
     
    6
    		Sn
    4+
    2
    		Sb
     
    2
    		S
     
    14
  		• Herzenbergite2.CD.05
    (Sn,Pb)SnS
     
    2
  		• Jamesonite2.HB.15
    Pb
     
    4
    		FeSb
     
    6
    		S
     
    14
  		• Marcasite2.EB.10a
    FeS
     
    2
  		• Owyheeite2.HC.35
    Ag
     
    3+x
    		Pb
     
    10-2x
    		Sb
     
    11+x
    		S
     
    28
    		, -0.13 < x > +0.20
  		• Plagionite2.HC.10b
    Pb
     
    5
    		Sb
     
    8
    		S
     
    17
  		• Pyrite2.EB.05a
    FeS
     
    2
  		• Pyrrhotite2.CC.10
    Fe
     
    7
    		S
     
    8
    		, (-4M), also given as Fe
     
    1-x
    		S (x = 0 - 0.2)
  		• Semseyite2.HC.10d
    Pb
     
    9
    		Sb
     
    8
    		S
     
    21
  		• Sphalerite2.CB.05a
    (Zn,Fe
    2+
     
    		)S
      var: Marmatite2.CB.05a
    (Zn,Fe)S
  		• Stannite2.CB.15a
    Cu
     
    2
    		(Fe,Zn)SnS
     
    4
    Group 3 - Halides
  		• Fluorite3.AB.25
    CaF
     
    2
    Group 4 - Oxides and Hydroxides
  		• Cassiterite4.DB.05
    SnO
     
    2
  		• Ferberite4.DB.30
    FeWO
     
    4
  		• Gibbsite4.FE.10
    Al(OH)
     
    3
  		• Opal4.DA.10
    SiO
     
    2
    		·nH
     
    2
    		O
  		• Quartz4.DA.05
    SiO
     
    2
  		• Valentinite4.CB.55
    Sb
     
    2
    		O
     
    3
    Group 5 - Nitrates and Carbonates
  		• Hydrozincite5.BA.15
    Zn
     
    5
    		[(OH)
     
    3
    		|CO
     
    3
    		]
     
    2
  		• Siderite5.AB.05
    FeCO
     
    3
    Group 7 - Sulphates, Chromates, Molybdates and Tungstates
  		• Alunite7.BC.10
    KAl
     
    3
    		[(OH)
     
    3
    		|SO
     
    4
    		]
     
    2
  		• Chalcanthite7.CB.20
    CuSO
     
    4
    		·5H
     
    2
    		O
  		• Fibroferrite7.DC.15
    Fe
    3+
     
    		[OH|SO
     
    4
    		] · 5H
     
    2
    		O
  		• Jarosite7.BC.10
    KFe
    3+
     
     
    3
    		[(OH)
     
    3
    		|SO
     
    4
    		]
     
    2
  		• Linarite7.BC.65
    PbCu[(OH)
     
    2
    		|SO
     
    4
    		]
  		• Nikischerite (TL)7.DD.35
    [AlFe
     
    2
    		(OH)
     
    6
    		]
     
    3
    		(SO
     
    4
    		)
     
    2
    		Na(H
     
    2
    		O)
     
    6
    		·6H
     
    2
    		O
    Group 8 - Phosphates, Arsenates and Vanadates
  		• Aheylite (TL)8.DD.15
    (Fe
    2+
     
    		,Zn)Al
     
    6
    		[(OH)
     
    4
    		|(PO
     
    4
    		)
     
    2
    		]
     
    2
    		 · 4H
     
    2
    		O
  		• Chalcosiderite8.DD.15
    Cu(Fe
    3+
     
    		,Al)
     
    6
    		[(OH)
     
    4
    		|(PO
     
    4
    		)
     
    2
    		]
     
    2
    		 · 4H
     
    2
    		O
  		• Crandallite8.BL.10
    CaAl
     
    3
    		[(OH)
     
    5
    		|(PO
     
    4
    		)
     
    2
    		] · H
     
    2
    		O
  		• Faustite8.DD.15
    (Zn,Cu)Al
     
    6
    		[(OH)
     
    4
    		|(PO
     
    4
    		)
     
    2
    		]
     
    2
    		 · 4H
     
    2
    		O
  		• Ludlamite8.CD.20
    (Fe,Mn,Mg)
     
    3
    		(PO
     
    4
    		)
     
    2
    		·4H
     
    2
    		O
  		• Variscite8.CD.10
    AlPO
     
    4
    		·2H
     
    2
    		O
  		• Vivianite8.CE.40
    Fe
    2+
    3
    		(PO
     
    4
    		)
     
    2
    		·8H
     
    2
    		O
  		• Wavellite8.DC.50
    Al
     
    3
    		[(OH,F)
     
    3
    		|(PO
     
    4
    		)
     
    2
    		] · 5H
     
    2
    		O
    Group 9 - Silicates
  		• Beidellite9.EC.40
    (Na,Ca
     
    0.5
    		)
     
    0.3
    		Al
     
    2
    		(Si,Al)
     
    4
    		O
     
    10
    		(OH)
     
    2
    		·nH
     
    2
    		O
  		• Cronstedtite9.ED.15
    Fe
    2+
    2
    		Fe
    3+
     
    		[(Si,Fe
    3+
     
    		)
     
    2
    		O
     
    5
    		](OH)
     
    4
  		• Halloysite9.ED.10
    Al
     
    2
    		Si
     
    2
    		O
     
    5
    		(OH)
     
    4
  		• Hisingerite9.ED.10
    Fe
    3+
    2
    		Si
     
    2
    		O
     
    5
    		(OH)
     
    4
    		·2H
     
    2
    		O
  		• Kaolinite9.ED.05
    Al
     
    2
    		Si
     
    2
    		O
     
    5
    		(OH)
     
    4
    Unclassified Minerals
  		• Coeruleolactite-
  		• 'Tourmaline'-
    AD
     
    3
    		G
     
    6
    		(BO
     
    3
    		)
     
    3
    		[T
     
    6
    		O
     
    18
    		]Y
     
    3
    		Z


    46 entries listed. 43 valid minerals.

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