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Sierra de Umango, La Rioja, Argentina

StandardDetailedBy ChemistryMineral Photos (2)Search GoogleMineral Report for Region

Selenide-rich hydrothermal vein system.




Mineral list contains entries from the region specified including sub-localities

Group 1 - Elements
  		• Graphite1.CB.05a
    C
  		• Luanheite1.AD.15b
    Ag
     
    3
    		Hg
    Group 2 - Sulphides and Sulfosalts
  		• Bellidoite2.BA.20
    Cu
     
    2
    		Se
  		• Berzelianite2.BA.20
    Cu
     
    2
    		Se
  		• Bornite2.BA.15
    Cu
     
    5
    		FeS
     
    4
  		• Brodtkorbite (TL)2.BD.55
    Cu
     
    2
    		HgSe
     
    2
  		• Bukovite2.BD.30
    Tl
     
    2
    		(Cu,Fe)
     
    4
    		Se
     
    4
  		• Cadmoselite2.CB.45
    CdSe
      var: Cuprian Cadmoselite2.CB.45
    (Cd,Cu)Se
      var: Mercurian Cadmoselite2.CB.45
    (Cd,Hg)Se
  		• Chalcocite2.BA.05
    Cu
     
    2
    		S
  		• Chalcopyrite2.CB.10a
    CuFeS
     
    2
  		• Chaméanite2.LA.35
    (Cu,Fe)
     
    4
    		As(Se,S)
     
    4
  		• Clausthalite2.CD.10
    PbSe
  		• Covellite2.CA.05a
    CuS
  		• Crookesite2.BD.50
    (Cu,Tl,Ag)
     
    2
    		Se
  		• Djurleite2.BA.05
    Cu
     
    31
    		S
     
    16
  		• Eskebornite2.CB.10a
    CuFeSe
     
    2
  		• Eucairite2.BA.50
    AgCuSe
  		• Ferroselite2.EB.10a
    FeSe
     
    2
  		• Hakite2.GB.05
    (Cu,Hg,Ag)
     
    12
    		Sb
     
    4
    		(Se,S)
     
    13
  		• Klockmannite (TL)2.CA.05b
    CuSe
  		• Krut'aite2.EB.05a
    CuSe
     
    2
  		• Naumannite2.BA.55
    Ag
     
    2
    		Se
  		• Stilleite2.CB.05a
    ZnSe
  		• Tiemannite2.CB.05a
    HgSe
  		• Trogtalite2.EB.05a
    CoSe
     
    2
  		• Tyrrellite2.DA.05
    Cu(Co
    3+
     
    		,Ni
    3+
     
    		)
     
    2
    		Se
     
    4
  		• Umangite (TL)2.BA.25
    Cu
     
    3
    		Se
     
    2
    Group 3 - Halides
  		• Connellite3.DA.25
    Cu
     
    19
    		[(OH)
     
    32
    		|SO
     
    4
    		|Cl
     
    4
    		] · 3H
     
    2
    		O
    Group 4 - Oxides and Hydroxides
  		• Chalcomenite4.JH.05
    Cu[SeO
     
    3
    		] · 2H
     
    2
    		O
  		• Hematite4.CB.05
    Fe
     
    2
    		O
     
    3
  		• Uraninite4.DL.05
    UO
     
    2
    Group 5 - Nitrates and Carbonates
  		• Calcite5.AB.05
    CaCO
     
    3
  		• Malachite5.BA.10
    Cu
     
    2
    		[(OH)
     
    2
    		|CO
     
    3
    		]
    Group 7 - Sulphates, Chromates, Molybdates and Tungstates
  		• Schmiederite7.BC.65
    Pb
     
    2
    		Cu
     
    2
    		[(OH)
     
    4
    		|SeO
     
    3
    		|SeO
     
    4
    		]


    36 entries listed. 36 valid minerals.

    Localities in this Region:
    Argentina
     
    • La Rioja
      • Sierra de Umango

    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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    Copyright © Jolyon Ralph and Ida Chau 1993-2009. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 29th Nov 2009 20:15:30