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Sierra Blanca Peaks, Hudspeth Co., Texas, USA

Tertiary rhyolitic laccoliths enriched in several "rare" elements: Zr, Hf, Y, Th, U, Li, F, Zn, Rb, Nb, Sn, REE. Also hydrothermal fluorite replacement bodies in limestone.
Ref: Am Min 72:1122-1130.




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


Mineral List:
  • 'Albite-Anorthite Series'
    Reference: [Am Min 72:1122-1130]
  • 'Bastnäsite'
    Reference: [R&M 66:3 pp 196-224]
  • Bertrandite
    Be
     
    4
    [(OH)
     
    2
    |Si
     
    2
    O
     
    7
    ]
    Reference: [BEG Min Res Circ 73]
  • Beryl
    Be
     
    3
    Al
     
    2
    Si
     
    6
    O
     
    18
    Reference: [BEG Min Res Circ 73]
  • Calcite
    CaCO
     
    3
    Reference: [BEG Min Res Circ 73]
  • Cassiterite
    SnO
     
    2
    Reference: [R&M 66:3 pp 196-224]
  • Changbaiite
    PbNb
     
    2
    O
     
    6
    Reference: [Am. Min. 74:865-869 (1989)]
    Site Photo
    Sierra Blanca Peaks, Hudspeth Co., Texas, USA
    © 2007, JGW
  • Coffinite
    (U,Th)[(OH)
     
    4x
    |(SiO
     
    4
    )
     
    1-x
    ]
    Reference: [Am. Min. 74:865-869 (1989)]
  • Columbite
    (Fe,Mn)(Nb,Ta)
     
    2
    O
     
    6
    Reference: [Am Min 72:1122-1130]
  • Columbite-(Fe)
    FeNb
     
    2
    O
     
    6
    Reference: [Am. Min. 74:865-869 (1989)]
  • Cryolite
    Na
     
    3
    [AlF
     
    6
    ]
    Reference: [Am. Min. 74:865-869 (1989)]
  • Fluorite
    CaF
     
    2
    Reference: [Am. Min. 74:865-869 (1989)]
  • Fluorite
    var: Yttrofluorite
    (Ca,Y)F
     
    2-3
    Reference: [Am. Min. 74:865-869 (1989)]
  • 'Garnet Group'
    X
     
    3
    Z
     
    2
    (TO
     
    4
    )
     
    3
    (X = Ca, Fe, etc·, Z = Al, Cr, etc·, T = Si, As, V)
    Reference: [Am. Min. 74:865-869 (1989)]
  • Hematite
    Fe
     
    2
    O
     
    3
    Reference: [Am Min 72:1122-1130]
  • 'K Feldspar'
    Reference: [Am Min 72:1122-1130]
  • Magnetite
    Fe
    2+
     
    Fe
    3+
    2
    O
     
    4
    Reference: [Am Min 72:1122-1130]
  • Montmorillonite
    (Na,Ca)
     
    0.33
    (Al,Mg)
     
    2
    Si
     
    4
    O
     
    10
    (OH)
     
    2
    ·nH
     
    2
    O
    Reference: [Am Min 72:1122-1130]
  • Opal
    SiO
     
    2
    ·nH
     
    2
    O
    Reference: [Am Min 72:1122-1130]
  • Pyrrhotite
    Fe
     
    7
    S
     
    8
    , (-4M), also given as Fe
     
    1-x
    S (x = 0 - 0.2)
    Reference: [BEG Min Res Circ 73]
  • Quartz
    SiO
     
    2
    Reference: [BEG Min Res Circ 73]
  • Quartz
    var: Amethyst
    SiO
     
    2
    Reference: [R&M 66:3 pp 196-224]
  • Quartz
    var: Rutilated Quartz
    Reference: [Am Min 72:1122-1130]
  • Ralstonite
    NaMgAl(F,OH)
     
    6
    ·H
     
    2
    O
    Reference: [American Mineralogist: 72: 1122-1130.]
  • Rutile
    TiO
     
    2
    Reference: [R&M 66:3 pp 196-224]
  • Tantalite
    (Fe,Mn)(Ta,Nb)
     
    2
    O
     
    6
    Reference: [R&M 66:3 pp 196-224]
  • Thorianite
    ThO
     
    2
    Reference: [R&M 66:3 pp 196-224]
  • Thorite
    (Th,U)[SiO
     
    4
    ]
    Reference: [Am. Min. 74:865-869 (1989)]
  • 'Tourmaline'
    Reference: [Am Min 72:1122-1130]
  • Turquoise
    Cu(Al,Fe
    3+
     
    )
     
    6
    [(OH)
     
    4
    |(PO
     
    4
    )
     
    2
    ]
     
    2
    · 4H
     
    2
    O
    Reference: [R&M 66:3 pp 196-224]
  • Xenotime-(Y)
    YPO
     
    4
    Reference: [Am. Min. 74:865-869 (1989)]
  • 'Yttrocerite'
    CaF
     
    2
    + (Y,Ce)F
     
    3
    Reference: [Am Min 72:1122-1130]
  • Zircon
    Zr[SiO
     
    4
    ]
    Reference: [Am. Min. 74:865-869 (1989)]


    33 entries listed. 22 valid minerals.

    Localities in this Region:
    USA
     
    • Texas
      • Hudspeth Co.
        • Sierra Blanca Peaks

    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. Jobs in Texas, USA 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 Oct 2009 10:34:32