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Llano Co., Texas, USA

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Ref.: Dana 6:1082.




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


Mineral List:
  		•  Acanthite
    Ag
     
    2
    		S
    Reference: [Self-Collected March 2006, Occurs in Sulfide-zones, along with Gold and Copper]
  		•  Actinolite
    ☐Ca
     
    2
    		(Mg,Fe
    2+
     
    		)
     
    5
    		(Si
     
    8
    		O
     
    22
    		)(OH)
     
    2
    Reference: [R&M 66:3 pp 196-224]
  		•  Albite
    Na[AlSi
     
    3
    		O
     
    8
    		]
    Reference: [Am Min (1932) Volume 17, pages 381-390,]
  		•  'Albrittonite'
    CoCl
     
    2
    		·6H
     
    2
    		O
    Reference: [American Mineralogist, Volume 63, pages 410412, 1978; American Mineralogist, Volume 67, pages 156-169, 1982]
  		•  'Allanite'
    Reference: [R&M 66:3 pp 196-224]
  		•  Allanite-(Ce)
    {CaCe}{Al
     
    2
    		Fe
    2+
     
    		}[O|OH|SiO
     
    4
    		|Si
     
    2
    		O
     
    7
    		]
    Reference: []
  		•  Allanite-(La)
    {CaLa}{Al
     
    2
    		Fe
    2+
     
    		}[O|OH|SiO
     
    4
    		|Si
     
    2
    		O
     
    7
    		]
    Reference: [Orlandi, P. & Pasero, M. (2006): Allanite-(La) from Buca della Vena mine, Apuan Alps, Italy, an epidote-group mineral. Canadian Mineralogist, 44, 63-68. ]
  		•  Allanite-(Y)
    {CaY}{Al
     
    2
    		Fe
    2+
     
    		}[O|OH|SiO
     
    4
    		|Si
     
    2
    		O
     
    7
    		]
    Reference: []
  		•  Almandine
    Fe
    2+
    3
    		Al
     
    2
    		[SiO
     
    4
    		]
     
    3
    Reference: [R&M 66:3 pp 196-224]
  		•  'Almandine-Spessartine Series'
    Reference: [Arthur Smith, Frank Roberts, Denise Bicknell (2008) Mineral News, 24, #1, 6-7.]
  		•  'Amphibole Group'
    Reference: [Arthur Smith, Frank Roberts, Denise Bicknell (2008) Mineral News, 24, #1, 6-7.]
  		•  Anatase
    TiO
     
    2
    Reference: [R&M 66:3 pp 196-224]
    Site Photo
    Badu Hill pegmatite, Llano Co., Texas, USA
    © 2007, F. Roberts
  		•  Andalusite
    Al
     
    2
    		[O|SiO
     
    4
    		]
    Reference: [R&M 66:3 pp 196-224]
  		•  Andradite
    Ca
     
    3
    		Fe
    3+
    2
    		[SiO
     
    4
    		]
     
    3
    Reference: [R&M 66:3 pp 196-224]
  		•  Annabergite ?
    Ni
     
    3
    		(AsO
     
    4
    		)
     
    2
    		·8H
     
    2
    		O
    Reference: [R&M 66:3 pp 196-224; American Mineralogist, Volume 63, pages 410412, 1978; American Mineralogist, Volume 67, pages 156-169, 1982]
  		•  Anthophyllite
    ☐[Mg
     
    2
    		][Mg
     
    5
    		][(OH)
     
    2
    		|Si
     
    8
    		O
     
    22
    		]
    Reference: [R&M 66:3 pp 196-224]
  		•  Apatite-(CaF)
    Ca
     
    5
    		[F|(PO
     
    4
    		)
     
    3
    		]
    Reference: [R&M 66:3 pp 196-224]
  		•  'Apophyllite'
    Reference: [R&M 66:3 pp 196-224]
  		•  Arsenopyrite
    FeAsS - (Fe
     
    0.90
    		Co
     
    0.10
    		)AsS
    Reference: [Self-Collected March 2006, Occurs with Pyrite, as dark-silver inclusions]
  		•  Autunite
    Ca(UO
     
    2
    		)
     
    2
    		(PO
     
    4
    		)
     
    2
    		·11H
     
    2
    		O
    Reference: [Am Min (1932) Volume 17, pages 381-390,]
  		•  Azurite
    Cu
     
    3
    		[OH|CO
     
    3
    		]
     
    2
    Reference: [R&M 66:3 pp 196-224]
  		•  Baryte
    BaSO
     
    4
    Reference: [R&M 66:3 pp 196-224]
  		•  'Bastnäsite'
    Reference: [Canadian Mineralogist (1961): 6: 576-581.]
  		•  Behoite (TL)
    Be(OH)
     
    2
    Type Locality: Rode Ranch pegmatite, Llano Co., Texas, USA
    Reference: [Amer.Min.(1970) 55, 1-9]
  		•  Beryl
    Be
     
    3
    		Al
     
    2
    		Si
     
    6
    		O
     
    18
    Reference: [R&M 66:3 pp 196-224]
  		•  Biotite
    Reference: [Am Min (1932) Volume 17, pages 381-390,]
    Site Photo
    Petrick pegmatite, Kingsland Granite Company quarry (Petrick quarry), Llano Co., Texas, USA
    © 07 David Aldridge
  		•  Bismuth
    Bi
    Reference: [R&M 66:3 pp 196-224]
  		•  Bismuthinite
    Bi
     
    2
    		S
     
    3
    Reference: [R&M 66:3 pp 196-224]
  		•  Bornite
    Cu
     
    5
    		FeS
     
    4
    Reference: [Self-Collected March 2006, Occurs as coatings on Quartz, and sulfide-dwelling Microcline]
  		•  Braunite
    Mn
    2+
     
    		Mn
    3+
    6
    		[O
     
    8
    		|SiO
     
    4
    		]
    Reference: [R&M 66:3 pp 196-224]
  		•  Britholite-(Y)
    Ca
     
    2
    		(Y,Ca)
     
    3
    		[(OH,F)|(SiO
     
    4
    		,PO
     
    4
    		)
     
    3
    		]
    Reference: [Arthur Smith, Frank Roberts, Denise Bicknell (2008) Mineral News, 24, #1, 6-7.]
  		•  Calcite
    CaCO
     
    3
    Reference: [Anthony, J. W. et al. (1997): Handbook of Mineralogy, Vol. 3, 50]
  		•  Cassiterite
    SnO
     
    2
    Reference: [R&M 66:3 pp 196-224]
  		•  'Chabazite'
    Reference: [R&M 66:3 pp 196-224]
  		•  Chalcanthite
    CuSO
     
    4
    		·5H
     
    2
    		O
    Reference: [Self-Collected March 2006, Efflorvescent deposits occur by a natural acid-pool]
  		•  Chalcocite
    Cu
     
    2
    		S
    Reference: [R&M 66:3 pp 196-224]
  		•  Chalcopyrite
    CuFeS
     
    2
    Reference: [Am Min (1932) Volume 17, pages 381-390,]
  		•  'Chlorite Group'
    Reference: [R&M 66:3 pp 196-224]
  		•  Chromite
    FeCr
     
    2
    		O
     
    4
    Reference: [R&M 66:3 pp 196-224]
  		•  Churchite-(Y)
    YPO
     
    4
    		·2H
     
    2
    		O
    Reference: [Self-Collected March 2006, Occurs as small sprays in Sulfide zones]
  		•  Cobaltite
    CoAsS
    Reference: [Self-Collected March 2006, Small amounts found near the acid-pool]
  		•  Columbite
    (Fe,Mn)(Nb,Ta)
     
    2
    		O
     
    6
    Reference: [R&M 66:3 pp 196-224]
  		•  Copiapite
    Fe
    2+
     
    		Fe
    3+
    4
    		[OH|(SO
     
    4
    		)
     
    3
    		]
     
    2
    		 · 20H
     
    2
    		O
    Reference: []
  		•  Copper
    Cu
    Reference: [Self-Collected March 2006, Copper occurs along with gold in the sulfide zones]
  		•  Cordierite
    (Mg,Fe)
     
    2
    		Al
     
    4
    		Si
     
    5
    		O
     
    18
    Reference: [R&M 66:3 pp 196-224]
  		•  Corundum
    Al
     
    2
    		O
     
    3
    Reference: [R&M 66:3 pp 196-224]
  		•  Diopside
    CaMg[Si
     
    2
    		O
     
    6
    		]
    Reference: [R&M 66:3 pp 196-224]
  		•  Epidote
    {Ca
     
    2
    		}{Al
     
    2
    		Fe
    3+
     
    		}[O|OH|SiO
     
    4
    		|Si
     
    2
    		O
     
    7
    		]
    Reference: [R&M 66:3 pp 196-224]
    Site Photo
    Enchanted Rock State Park (Charles Moses Ranch), Llano Co., Texas, USA
    © 07 David Aldridge
  		•  Erythrite ?
    Co
     
    3
    		(AsO
     
    4
    		)
     
    2
    		·8H
     
    2
    		O
    Reference: [R&M 66:3 pp 196-224; American Mineralogist, Volume 63, pages 410412, 1978; American Mineralogist, Volume 67, pages 156-169, 1982]
  		•  'Fergusonite'
    Reference: [Am Min (1932) Volume 17, pages 381-390,]
    Site Photo
    Petrick pegmatite, Kingsland Granite Company quarry (Petrick quarry), Llano Co., Texas, USA
    © 2007, F. Roberts
  		•  Ferrimolybdite
    Fe
     
    2
    		[MoO
     
    4
    		]
     
    3
    		 · nH
     
    2
    		O
    Reference: [R&M 66:3 pp 196-224]
  		•  Fluorite
    CaF
     
    2
    Reference: [Am Min (1932) Volume 17, pages 381-390,]
    Site Photo
    Badu Hill pegmatite, Llano Co., Texas, USA
    © Dave Garland 2007
  		•  Fluorite
    var: Chlorophane
    Reference: []
    Site Photo
    Badu Hill pegmatite, Llano Co., Texas, USA
    © 2005, F. Roberts
  		•  Fergusonite-(Y)
    YNbO
     
    4
    Reference: [American Mineralogist (1925): 10: 77]
  		•  'Gadolinite'
    Reference: [Canadian Mineralogist (1961): 6: 576-581.; Am Min (1932) Volume 17, pages 381-390,]
    Site Photo
    Petrick pegmatite, Kingsland Granite Company quarry (Petrick quarry), Llano Co., Texas, USA
    © 2007, F. Roberts
  		•  Galena
    PbS
    Reference: [Self-Collected March 2006, Occurs with Pyrite]
  		•  'Garnet Group'
    X
     
    3
    		Z
     
    2
    		(TO
     
    4
    		)
     
    3
    		 (X = Ca, Fe, etc·, Z = Al, Cr, etc·, T = Si, As, V)
    Reference: [R&M 66:3 pp 196-224; Economic Geology; November 1964; v. 59; no. 7]
  		•  Goethite
    α-Fe
    3+
     
    		O(OH)
    Reference: [Self-Collected March 2006, Occurs in Fe-sulfide zones along with Limonite]
  		•  Gold
    Au
    Reference: [Self-Collected March 2006, Gold MXLS found in sulfide zones.]
  		•  Graphite
    C
    Reference: [R&M 66:3 pp 196-224]
  		•  Grossular
    Ca
     
    3
    		Al
     
    2
    		[SiO
     
    4
    		]
     
    3
    Reference: [R&M 66:3 pp 196-224]
  		•  'Gummite'
    Reference: [USGS Bulletin 340, pp. 286-294. (1908); Am Min (1932) Volume 17, pages 381-390,]
  		•  Hausmannite
    MnMn
     
    2
    		O
     
    4
    Reference: [R&M 66:3 pp 196-224]
  		•  Hematite
    Fe
     
    2
    		O
     
    3
    Reference: [Am Min (1932) Volume 17, pages 381-390,]
  		•  'Hornblende'
    Reference: [R&M 66:3 pp 196-224]
  		•  Ilmenite
    Fe
    2+
     
    		TiO
     
    3
    Reference: [Am Min (1932) Volume 17, pages 381-390,]
  		•  Jarosite
    KFe
    3+
     
     
    3
    		[(OH)
     
    3
    		|SO
     
    4
    		]
     
    2
    Reference: [R&M 66:3 pp 196-224]
  		•  Kaolinite
    Al
     
    2
    		Si
     
    2
    		O
     
    5
    		(OH)
     
    4
    Reference: [R&M 66:3 pp 196-224]
  		•  'Lanthanite'
    Reference: [Handbook of Mineralogy - Anthony, Bideaux, Bladh, Nichols]
  		•  Lepidolite ?
    Reference: [Am Min (1932) Volume 17, pages 381-390,]
  		•  'Lepidomelane'
    Reference: [USGS Bulletin 340, pp. 286-294. (1908)]
  		•  Limonite
    FeO(OH)·nH
     
    2
    		O
    Reference: [Self-Collected March 2006, Anatase was found in Limonitic matrix]
  		•  Linnaeite ?
    Co
    2+
     
    		Co
    3+
    2
    		S
     
    4
    Reference: [American Mineralogist, Volume 63, pages 410412, 1978; American Mineralogist, Volume 67, pages 156-169, 1982]
  		•  Magnesite
    MgCO
     
    3
    Reference: [R&M 66:3 pp 196-224]
  		•  Magnetite
    Fe
    2+
     
    		Fe
    3+
    2
    		O
     
    4
    Reference: [Am Min (1932) Volume 17, pages 381-390,]
  		•  Malachite
    Cu
     
    2
    		[(OH)
     
    2
    		|CO
     
    3
    		]
    Reference: [R&M 66:3 pp 196-224]
  		•  Marcasite
    FeS
     
    2
    Reference: [Arthur Smith, Frank Roberts, Denise Bicknell (2008) Mineral News, 24, #1, 6-7.]
  		•  Melanterite
    FeSO
     
    4
    		·7H
     
    2
    		O
    Reference: [David Aldridge specimen]
  		•  Microcline
    K[AlSi
     
    3
    		O
     
    8
    		]
    Reference: [Am Min (1932) Volume 17, pages 381-390,]
    Site Photo
    Baringer Hill (Barringer Hill), Bluffton, Llano Co., Texas, USA
    © Charles Creekmur
  		•  Molybdenite
    MoS
     
    2
    Reference: [Am Min (1932) Volume 17, pages 381-390,]
    Site Photo
    Petrick pegmatite, Kingsland Granite Company quarry (Petrick quarry), Llano Co., Texas, USA
    © 2007, F. Roberts
  		•  Molybdite
    MoO
     
    3
    Reference: [R&M 66:3 pp 196-224]
  		•  Montmorillonite
    (Na,Ca)
     
    0.33
    		(Al,Mg)
     
    2
    		Si
     
    4
    		O
     
    10
    		(OH)
     
    2
    		·nH
     
    2
    		O
    Reference: [Anthony, J. W. et al. (1997): Handbook of Mineralogy, Vol. 3, 50]
  		•  Muscovite
    KAl
     
    2
    		[(OH)
     
    2
    		|AlSi
     
    3
    		O
     
    10
    		]
    Reference: [R&M 66:3 pp 196-224]
  		•  Nickelbischofite ?
    NiCl
     
    2
    		·6H
     
    2
    		O
    Reference: [R&M 66:3 pp 196-224; American Mineralogist, Volume 67, pages 156-169, 1982]
  		•  Nickeline ?
    NiAs
    Reference: [American Mineralogist, Volume 63, pages 410412, 1978; American Mineralogist, Volume 67, pages 156-169, 1982]
  		•  Nontronite
    Na
     
    0.3
    		Fe
     
    2
    		(Si,Al)
     
    4
    		O
     
    10
    		(OH)
     
    2
    		·nH
     
    2
    		O
    Reference: [Seaman, 1976. Pegmatite Minerals of the World; Economic Geology; November 1964; v. 59; no. 7]
  		•  'Olivine'
    (Mg,Fe
    2+
     
    		)
     
    2
    		[SiO
     
    4
    		]
    Reference: [R&M 66:3 pp 196-224]
  		•  Opal
    SiO
     
    2
    		·nH
     
    2
    		O
    Reference: [R&M 66:3 pp 196-224]
  		•  Opal
    var: Opal-AN
    SiO
     
    2
    		·nH
     
    2
    		O
    Reference: [Economic Geology; November 1964; v. 59; no. 7]
  		•  Orthoclase
    K[AlSi
     
    3
    		O
     
    8
    		]
    Reference: [American Mineralogist (1925): 10: 77]
  		•  'Perthite'
    Reference: [Am Min (1932) Volume 17, pages 381-390,]
  		•  Phlogopite
    KMg
     
    3
    		[(OH,F)
     
    2
    		|AlSi
     
    3
    		O
     
    10
    		]
    Reference: [R&M 66:3 pp 196-224]
  		•  Piemontite
    {Ca
     
    2
    		}{Al
     
    2
    		Mn
    3+
     
    		}[O|OH|SiO
     
    4
    		|Si
     
    2
    		O
     
    7
    		]
    Reference: [R&M 66:3 pp 196-224]
  		•  Polycrase-(Y)
    (Y,U)(Ti,Nb)
     
    2
    		O
     
    6
    Reference: [Am Min (1932) Volume 17, pages 381-390,]
  		•  Powellite
    Ca[MoO
     
    4
    		]
    Reference: [Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 1081.]
  		•  Prehnite
    Ca
     
    2
    		Al
     
    2
    		Si
     
    3
    		O
     
    12
    		(OH)
    Reference: [R&M 66:3 pp 196-224]
  		•  'Psilomelane'
    Reference: [R&M 66:3 pp 196-224]
  		•  Pyrite
    FeS
     
    2
    Reference: [Am Min (1932) Volume 17, pages 381-390,]
  		•  Pyrrhotite
    Fe
     
    7
    		S
     
    8
    		, (-4M), also given as Fe
     
    1-x
    		S (x = 0 - 0.2)
    Reference: [R&M 66:3 pp 196-224]
  		•  Quartz
    SiO
     
    2
    Reference: [Am Min (1932) Volume 17, pages 381-390,]
    Site Photo
    Llano Co., Texas, USA
     
  		•  Quartz
    var: Amethyst
    SiO
     
    2
    Reference: [AmMin 17:381-390; Am Min (1932) Volume 17, pages 381-390,]
  		•  Quartz
    var: Blue Quartz
    Reference: [AmMin 73:313-323 (1988)]
  		•  Quartz
    var: Milky Quartz
    Reference: [AmMin 17:381-390]
  		•  Quartz
    var: Smoky Quartz
    SiO
     
    2
    Description: Crystals to 600 pounds
    Reference: [Am Min (1932) Volume 17, pages 381-390,]
  		•  Rowlandite-(Y) (TL)
    (Y,Fe
    3+
     
    		,Ce)
     
    3
    		[O|(F,OH)|Si
     
    2
    		O
     
    7
    		]
    Type Locality: Baringer Hill (Barringer Hill), Bluffton, Llano Co., Texas, USA
    Reference: [CM 6 (1961), 576; Canadian Mineralogist (1961): 6: 576-581.; Am Min (1932) Volume 17, pages 381-390,]
  		•  Rutile
    TiO
     
    2
    Reference: [Am Min (1932) Volume 17, pages 381-390,]
  		•  Samarskite-(Y)
    (Y,Fe
    3+
     
    		,Fe
    2+
     
    		,U,Th,Ca)
     
    2
    		(Nb,Ta)
     
    2
    		O
     
    8
    Reference: [R&M 66:3 pp 196-224]
  		•  Scheelite
    Ca[WO
     
    4
    		]
    Reference: [R&M 66:3 pp 196-224]
  		•  Schorl
    [Na][Fe
    2+
    3
    		][Al
     
    6
    		][(OH)
     
    3
    		|OH|(BO
     
    3
    		)
     
    3
    		|Si
     
    6
    		O
     
    18
    		]
    Reference: [R&M 66:3 pp 196-224]
  		•  'Sericite'
    Reference: [Economic Geology; November 1964; v. 59; no. 7]
  		•  'Serpentine Group'
    D
     
    2
    		[Si
     
    2
    		O
     
    5
    		](OH)4 + or - nH
     
    2
    		O
    Reference: [American Mineralogist, Volume 67, pages 156-169, 1982]
  		•  Siegenite ?
    from CoNi
     
    2
    		S
     
    4
    		 to NiCo
     
    2
    		S
     
    4
    Reference: [R&M 66:3 pp 196-224; American Mineralogist, Volume 63, pages 410412, 1978; American Mineralogist, Volume 67, pages 156-169, 1982]
  		•  Sillimanite
    Al
     
    2
    		[O|SiO
     
    4
    		]
    Reference: [R&M 66:3 pp 196-224]
  		•  Silver
    Ag
    Reference: [Self-Collected March 2006, Occurs in Sulfide-zones, along with Gold and Copper]
  		•  Spessartine
    Mn
    2+
    3
    		Al
     
    2
    		[SiO
     
    4
    		]
     
    3
    Reference: [R&M 66:3 pp 196-224]
  		•  Sphalerite
    (Zn,Fe
    2+
     
    		)S
    Reference: [Am Min (1932) Volume 17, pages 381-390,]
  		•  Stibnite ?
    Sb
     
    2
    		S
     
    3
    Reference: [R&M 66:3 pp 196-224]
  		•  Synchysite-(Y)
    Ca(Y,Ce)[F|(CO
     
    3
    		)
     
    2
    		]
    Reference: [R&M 66:3 pp 196-224]
  		•  Talc
    Mg
     
    3
    		Si
     
    4
    		O
     
    10
    		(OH)
     
    2
    Reference: [R&M 66:3 pp 196-224]
  		•  Tengerite-(Y)
    Y
     
    2
    		[CO
     
    3
    		]
     
    3
    		 · 2-3H
     
    2
    		O
    Reference: [ Bulletin of the Chemical Society of Japan Vol.45 , No.8(1972)pp.2476-2479]
  		•  Tephroite
    Mn
    2+
    2
    		[SiO
     
    4
    		]
    Reference: [BEG University of Texas publication 4301]
  		•  Tetradymite
    Bi
     
    2
    		Te
     
    2
    		S
    Reference: [R&M 66:3 pp 196-224]
  		•  Tetrahedrite
    (Cu,Fe,Ag,Zn)
     
    12
    		Sb
     
    4
    		S
     
    13
    Reference: [R&M 66:3 pp 196-224]
  		•  Thalénite-(Y)
    Y
     
    3
    		Si
     
    3
    		O
     
    10
    		(OH)
    Reference: [R&M 66:3 pp 196-224]
  		•  Thorite
    (Th,U)[SiO
     
    4
    		]
    Reference: [R&M 66:3 pp 196-224]
  		•  Thorogummite (TL)
    (Th,U)[(OH)
     
    4x
    		|(SiO
     
    4
    		)
     
    1-x
    		]
    Type Locality: Baringer Hill (Barringer Hill), Bluffton, Llano Co., Texas, USA
    Reference: [AM 38 (1953), 1007]
  		•  Titanite
    CaTi[O|SiO
     
    4
    		]
    Reference: [R&M 66:3 pp 196-224]
  		•  Topaz
    Al
     
    2
    		[(F,OH)
     
    2
    		|SiO
     
    4
    		]
    Reference: [R&M 66:3 pp 196-224]
  		•  Torbernite
    Cu(UO
     
    2
    		)
     
    2
    		(PO
     
    4
    		)
     
    2
    		·12H
     
    2
    		O
    Reference: [Self-Collected March 2006, Small, green tabular XLS found in Cu-Rich Zones]
  		•  'Tourmaline'
    Reference: [Am Min 67:180]
  		•  Tremolite
    ☐[Ca
     
    2
    		][Mg
     
    5
    		][(OH)
     
    2
    		|Si
     
    8
    		O
     
    22
    		]
    Reference: [R&M 66:3 pp 196-224]
  		•  Turgite
    Reference: [www.lib.utexas.edu/books/dumble/publications/07/07b390a.html ]
  		•  Tveitite-(Y)
    (Y, Na)
     
    6
    		Ca
     
    6
    		Ca
     
    6
    		F
     
    42
    Reference: [MinRec 9(6):387 ]
  		•  Uraninite
    UO
     
    2
    Reference: [R&M 66:3 pp 196-224; Am Min (1932) Volume 17, pages 381-390,]
    Site Photo
    Rode Ranch pegmatite, Llano Co., Texas, USA
    © David Aldridge
  		•  Uranophane
    Ca(UO
     
    2
    		)
     
    2
    		[HSiO
     
    4
    		]
     
    2
    		 · 5H
     
    2
    		O
    Reference: [Self-Collected March 2006, Occurs as small tufts in Sulfide zone]
  		•  Vermiculite
    (Mg,Fe,Al)
     
    3
    		(Al,Si)
     
    4
    		O
     
    10
    		(OH)
     
    2
    		·4H
     
    2
    		O
    Reference: [R&M 66:3 pp 196-224]
  		•  Vesuvianite
    Ca
     
    10
    		(Mg,Fe)
     
    2
    		Al
     
    4
    		Si
     
    9
    		O
     
    34
    		(OH)
     
    4
    Reference: [R&M 66:3 pp 196-224]
  		•  'Wad'
    Reference: [R&M 66:3 pp 196-224]
  		•  Wollastonite
    Ca[SiO
     
    3
    		]
    Reference: [R&M 66:3 pp 196-224]
  		•  Yttrialite-(Y) (TL)
    (Y,Th)
     
    2
    		[Si
     
    2
    		O
     
    7
    		]
    Type Locality: Baringer Hill (Barringer Hill), Bluffton, Llano Co., Texas, USA
    Reference: [Dana 6; Canadian Mineralogist (1961): 6: 576-581.; Am Min (1932) Volume 17, pages 381-390,]
  		•  Yttrocrasite-(Y)
    (Y,Th,Ca,U)(Ti,Fe)
     
    2
    		(O,OH)
     
    6
    Reference: [MinRec 7:182-183]
  		•  Zaratite ?
    Ni
     
    3
    		(CO
     
    3
    		)(OH)
     
    4
    		·4H
     
    2
    		O
    Reference: [American Mineralogist, Volume 63, pages 410412, 1978; American Mineralogist, Volume 67, pages 156-169, 1982]
  		•  Zircon
    Zr[SiO
     
    4
    		]
    Reference: [R&M 66:3 pp 196-224]
    Site Photo
    Baringer Hill (Barringer Hill), Bluffton, Llano Co., Texas, USA
     
  		•  Zircon
    var: Cyrtolite
    Zr[(SiO
     
    4
    		),(OH)
     
    4
    		]
    Reference: [Am Min (1932) Volume 17, pages 381-390,]
  		•  Zoisite
    {Ca
     
    2
    		}{Al
     
    3
    		}[O|OH|SiO
     
    4
    		|Si
     
    2
    		O
     
    7
    		]
    Reference: [R&M 66:3 pp 196-224]


    145 entries listed. 109 valid minerals. 3 type localities (valid minerals). 1 type locality (other).

    Localities in this Region:
    USA
     
    • Texas
      • Llano Co.
        • Bluffton
        • Kingsland Granite Company quarry (Petrick quarry)
        • Riley Mts
        • Sandy Mountain pegmatites

    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: 3rd Nov 2009 02:36:16