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Baringer Hill (Barringer Hill), Bluffton, Llano Co., Texas, USA

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List of minerals arranged by Strunz 10th Edition classification
Group 2 - Sulphides and Sulfosalts
Chalcopyrite2.CB.10aCuFeS2
Molybdenite2.EA.30MoS2
Pyrite2.EB.05aFeS2
Sphalerite2.CB.05aZnS
Stibnite ?2.DB.05Sb2S3
Group 3 - Halides
Fluorite3.AB.25CaF2
var: Chlorophane3.AB.25CaF2
Tveitite-(Y)3.AB.30(Y, Na)6Ca6Ca6F42
Group 4 - Oxides and Hydroxides
Cassiterite ?4.DB.05SnO2
Hematite4.CB.05Fe2O3
Ilmenite4.CB.05Fe2+TiO3
Magnetite4.BB.05Fe2+Fe3+2O4
Molybdite4.EA.10MoO3
Opal4.DA.10SiO2 · nH2O
Polycrase-(Y)4.DG.05(Y,U)(Ti,Nb)2O6
Quartz4.DA.05SiO2
var: Amethyst4.DA.05SiO2
var: Milky Quartz4.DA.05SiO2
var: Smoky Quartz4.DA.05SiO2
Rutile4.DB.05TiO2
Samarskite-(Y) ?4.DB.25(Y,Fe3+,Fe2+,U,Th,Ca)2(Nb,Ta)2O8
Uraninite4.DL.05UO2
Yttrocrasite-(Y)4.DG.05(Y,Th,Ca,U)(Ti,Fe)2(O,OH)6
Group 5 - Nitrates and Carbonates
Tengerite-(Y) ?5.CC.10Y2(CO3)3 · 2-3H2O
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Copiapite7.DB.35Fe2+Fe3+4(SO4)6(OH)2 · 20H2O
Fergusonite-(Y)7.GA.05YNbO4
Ferrimolybdite7.GB.30Fe2(MoO4)3 · nH2O
Powellite7.GA.05Ca(MoO4)
Group 8 - Phosphates, Arsenates and Vanadates
Autunite8.EB.05Ca(UO2)2(PO4)2 · 11H2O
Group 9 - Silicates
Albite9.FA.35NaAlSi3O8
Allanite-(Ce)9.BG.05b{CaCe}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
Allanite-(La) ?9.BG.05b{CaLa}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
Allanite-(Y) ?9.BG.05b{CaY}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
Gadolinite-(Y)9.AJ.20Y2Fe2+Be2Si2O10
Microcline9.FA.30KAlSi3O8
Phlogopite9.EC.20KMg3(AlSi3O10)(OH,F)2
Rowlandite-(Y) (TL)9.HG.20(Y,Ce)4Fe2+(Si2O7)2F2 (?)
Thorite9.AD.30(Th,U)SiO4
Vesuvianite9.BG.35(Ca,Na,☐)19(Al,Mg,Fe3+)13(☐,B,Al,Fe3+)5(Si2O7)4(SiO4)10(OH,F,O)10
Yttrialite-(Y) (TL)9.BC.05(Y,Th)2Si2O7
Zircon9.AD.30ZrSiO4
var: Cyrtolite9.AD.30Zr[(SiO4),(OH)4]
Unclassified Minerals
'Bastnäsite'-
'Biotite'-
'Columbite'-(Fe,Mn)(Nb,Ta)2O6
'Fergusonite'-
'Gadolinite'-
'Gummite'-
'Lanthanite'-
'Lepidolite' ?-
'Lepidomelane'-
'Perthite'-
'Thorogummite' (TL)-(Th,U)(SiO4)1-x(OH)4x


53 entries listed. 42 valid minerals.

References

Hidden, W. E. and J. B. Mackintosh (1889), A description of several yttria and thoria minerals from Llano County, Texas. American Journal of Science, 3rd series: 38: 474–486.

Dana, E.S. (1892) System of Mineralogy, 6th. Edition, New York: 1082.

Emmons, Samuel Franklin and Eckel, Edwin C. (1905), Contributions to Economic Geology, 1904.

USGS Bulletin 340 (1908): 286-294.

American Mineralogist (1932): 17: 381-390.

Marble, John Putnam (1940), Allanite from Barringer Hill, Llano County, Texas. American Mineralogist: 25: 168-173.

Palache, Charles, Harry Berman & Clifford Frondel (1944), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana Yale University 1837-1892, Volume I: Elements, Sulfides, Sulfosalts, Oxides. John Wiley and Sons, Inc., New York. 7th edition, revised and enlarged, 834pp.: 761.

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.

Canadian Mineralogist (1961): 6: 576.

Bulletin of the Chemical Society of Japan (1972): 45(8): 2476-2479.

Mineralogical Record (1976): 7: 182-183.

American Mineralogist (1977): 62: 1009.

Crook, W. B. (1978): Tveitite from the Barringer Hill District, Texas. Mineralogical Record. 9(6): 387.

Rocks & Minerals (1991): 66(3): 196-224.

Orlandi, P. & Pasero, M. (2006): Allanite-(La) from Buca della Vena mine, Apuan Alps, Italy, an epidote-group mineral. Canadian Mineralogist: 44: 63-68.

Smith, Art (2008), The Baringer Hill Pegmatite, Llano County, Texas Back Benders Gazette Volume XXXIX(9): 6-19.

External Links

http://home.satx.rr.com/robnjean/bh/story.html

http://www.hgms.org/BBG/Sep08.pdf (Art Smith (2008) The Baringer Hill Pegmatite, Llano County, Texas Back Benders Gazette Volume XXXIX - No. 9 pp 6-19)

http://www.texascooppower.com/texas-stories/history/all-that-glitters-is-sometimes-yttrium

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