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Bluffton, Llano County, Texas, USAi
Regional Level Types
BlufftonVillage
Llano CountyCounty
TexasState
USACountry

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Latitude & Longitude (WGS84):
30° 49' 14'' North , 98° 29' 29'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
PlacePopulationDistance
Buchanan Lake Village692 (2011)5.2km
Buchanan Dam1,519 (2011)10.7km
Kingsland6,030 (2011)18.7km
Llano3,341 (2017)18.8km
Highland Haven452 (2017)25.3km
Mindat Locality ID:
250585
Long-form identifier:
mindat:1:2:250585:8
GUID (UUID V4):
0


A populated place (town).

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded from this region.


Mineral List

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

38 valid minerals. 2 (TL) - type locality of valid minerals. 1 (FRL) - first recorded locality of unapproved mineral/variety/etc.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

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

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

Albite
Formula: Na(AlSi3O8)
Allanite-(Ce)
Formula: (CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
Allanite-(La) ?
Formula: (CaLa)(AlAlFe2+)O[Si2O7][SiO4](OH)
Description: Analysis showed an excess of La2O3 and others, over Ce2O3. The actual La content may not be more than Ce.
Allanite-(Y) ?
Formula: (CaY)(AlAlFe2+)O[Si2O7][SiO4](OH)
Description: Rarely contains more than 2.5% Y - Hess (1908)
Autunite
Formula: Ca(UO2)2(PO4)2 · 10-12H2O
'Bastnäsite'
Formula: (Ce/Nd/Y/REE)(CO3)F
'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Cassiterite ?
Formula: SnO2
Description: Found near Barringer Hill
Chalcopyrite
Formula: CuFeS2
'Columbite-(Fe)-Columbite-(Mn) Series'
Copiapite
Formula: Fe2+Fe3+4(SO4)6(OH)2 · 20H2O
Euxenite-(Y)
Formula: (Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
'Feldspar Group'
'Feldspar Group var. Perthite'
'Fergusonite'
Fergusonite-(Y)
Formula: YNbO4
Ferrimolybdite
Formula: Fe2(MoO4)3 · nH2O
Fluorite
Formula: CaF2
Fluorite var. Chlorophane
Formula: CaF2
'Gadolinite'
Gadolinite-(Y)
Formula: Y2Fe2+Be2Si2O10
'Gummite'
Hematite
Formula: Fe2O3
Ilmenite
Formula: Fe2+TiO3
'Lanthanite'
'Lepidolite' ?
Magnetite
Formula: Fe2+Fe3+2O4
Microcline
Formula: K(AlSi3O8)
Molybdenite
Formula: MoS2
Molybdite
Formula: MoO3
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Opal
Formula: SiO2 · nH2O
Orthoclase
Formula: K(AlSi3O8)
Phlogopite
Formula: KMg3(AlSi3O10)(OH)2
Powellite
Formula: Ca(MoO4)
Pyrite
Formula: FeS2
Quartz
Formula: SiO2
Quartz var. Amethyst
Formula: SiO2
Quartz var. Milky Quartz
Formula: SiO2
Quartz var. Smoky Quartz
Formula: SiO2
Description: Crystals to 600 pounds
Rowlandite-(Y) (TL)
Formula: (Y,Ce)4Fe2+(Si2O7)2F2 (?)
Type Locality:
Rutile
Formula: TiO2
Samarskite-(Y) ?
Formula: YFe3+Nb2O8
Sphalerite
Formula: ZnS
Stibnite ?
Formula: Sb2S3
Tengerite-(Y) ?
Formula: Y2(CO3)3 · 2-3H2O
Description: Identified before the species was redefined.
Thorite
Formula: Th(SiO4)
Thorite var. Thorogummite (FRL)
Formula: (Th,U)(SiO4)1-x(OH)4x
Type Locality:
References:
Tveitite-(Y)
Formula: (Y, Na)6Ca6Ca6(Ca,Na)F42
Colour: white, cream-yellow
Description: as 0.1-1mm inclusions in yttrian fluorite
Uraninite
Formula: UO2
Vesuvianite
Formula: Ca19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
Yttrialite-(Y) (TL)
Formula: (Y,Th)2Si2O7
Type Locality:
'Yttrocrasite-(Y)'
Formula: (Y,Th,Ca,U)(Ti,Fe)2(O,OH)6
Zircon
Formula: Zr(SiO4)
Zircon var. Cyrtolite
Formula: Zr[(SiO4),(OH)4]

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Sphalerite2.CB.05aZnS
Chalcopyrite2.CB.10aCuFeS2
Stibnite ?2.DB.05Sb2S3
Molybdenite2.EA.30MoS2
Pyrite2.EB.05aFeS2
Group 3 - Halides
Fluorite
var. Chlorophane
3.AB.25CaF2
3.AB.25CaF2
Tveitite-(Y)3.AB.30(Y, Na)6Ca6Ca6(Ca,Na)F42
Group 4 - Oxides and Hydroxides
Magnetite4.BB.05Fe2+Fe3+2O4
Hematite4.CB.05Fe2O3
Ilmenite4.CB.05Fe2+TiO3
Quartz
var. Amethyst
4.DA.05SiO2
4.DA.05SiO2
var. Smoky Quartz4.DA.05SiO2
var. Milky Quartz4.DA.05SiO2
Opal4.DA.10SiO2 · nH2O
Cassiterite ?4.DB.05SnO2
Rutile4.DB.05TiO2
Samarskite-(Y) ?4.DB.25YFe3+Nb2O8
Euxenite-(Y)4.DG.05(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
'Yttrocrasite-(Y)'4.DG.05(Y,Th,Ca,U)(Ti,Fe)2(O,OH)6
Uraninite4.DL.05UO2
Molybdite4.E0.10MoO3
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
Powellite7.GA.05Ca(MoO4)
Ferrimolybdite7.GB.30Fe2(MoO4)3 · nH2O
Group 8 - Phosphates, Arsenates and Vanadates
Autunite8.EB.05Ca(UO2)2(PO4)2 · 10-12H2O
Group 9 - Silicates
Thorite9.AD.30Th(SiO4)
var. Thorogummite (TL)9.AD.30(Th,U)(SiO4)1-x(OH)4x
Zircon9.AD.30Zr(SiO4)
var. Cyrtolite9.AD.30Zr[(SiO4),(OH)4]
Gadolinite-(Y)9.AJ.20Y2Fe2+Be2Si2O10
Yttrialite-(Y) (TL)9.BC.05(Y,Th)2Si2O7
Allanite-(Ce)9.BG.05b(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
Allanite-(La) ?9.BG.05b(CaLa)(AlAlFe2+)O[Si2O7][SiO4](OH)
Allanite-(Y) ?9.BG.05b(CaY)(AlAlFe2+)O[Si2O7][SiO4](OH)
Vesuvianite9.BG.35Ca19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
Phlogopite9.EC.20KMg3(AlSi3O10)(OH)2
Microcline9.FA.30K(AlSi3O8)
Orthoclase9.FA.30K(AlSi3O8)
Albite9.FA.35Na(AlSi3O8)
Rowlandite-(Y) (TL)9.HG.20(Y,Ce)4Fe2+(Si2O7)2F2 (?)
Unclassified
'Bastnäsite'-(Ce/Nd/Y/REE)(CO3)F
'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
'Feldspar Group'-
'Gummite'-
'Lepidolite' ?-
'Feldspar Group
var. Perthite'
-
'Columbite-(Fe)-Columbite-(Mn) Series'-
'Gadolinite'-
'Fergusonite'-
'Lanthanite'-

List of minerals for each chemical element

HHydrogen
H Allanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
H Allanite-(La)(CaLa)(AlAlFe2+)O[Si2O7][SiO4](OH)
H Allanite-(Y)(CaY)(AlAlFe2+)O[Si2O7][SiO4](OH)
H AutuniteCa(UO2)2(PO4)2 · 10-12H2O
H BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
H CopiapiteFe2+Fe43+(SO4)6(OH)2 · 20H2O
H FerrimolybditeFe2(MoO4)3 · nH2O
H MuscoviteKAl2(AlSi3O10)(OH)2
H OpalSiO2 · nH2O
H PhlogopiteKMg3(AlSi3O10)(OH)2
H Tengerite-(Y)Y2(CO3)3 · 2-3H2O
H Thorite var. Thorogummite(Th,U)(SiO4)1-x(OH)4x
H VesuvianiteCa19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
H Yttrocrasite-(Y)(Y,Th,Ca,U)(Ti,Fe)2(O,OH)6
H Zircon var. CyrtoliteZr[(SiO4),(OH)4]
BeBeryllium
Be Gadolinite-(Y)Y2Fe2+Be2Si2O10
CCarbon
C Bastnäsite(Ce/Nd/Y/REE)(CO3)F
C Tengerite-(Y)Y2(CO3)3 · 2-3H2O
OOxygen
O AlbiteNa(AlSi3O8)
O Allanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
O Allanite-(La)(CaLa)(AlAlFe2+)O[Si2O7][SiO4](OH)
O Allanite-(Y)(CaY)(AlAlFe2+)O[Si2O7][SiO4](OH)
O Quartz var. AmethystSiO2
O AutuniteCa(UO2)2(PO4)2 · 10-12H2O
O Bastnäsite(Ce/Nd/Y/REE)(CO3)F
O BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
O CassiteriteSnO2
O CopiapiteFe2+Fe43+(SO4)6(OH)2 · 20H2O
O Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
O Fergusonite-(Y)YNbO4
O FerrimolybditeFe2(MoO4)3 · nH2O
O Gadolinite-(Y)Y2Fe2+Be2Si2O10
O HematiteFe2O3
O IlmeniteFe2+TiO3
O MagnetiteFe2+Fe23+O4
O MicroclineK(AlSi3O8)
O MolybditeMoO3
O MuscoviteKAl2(AlSi3O10)(OH)2
O OpalSiO2 · nH2O
O OrthoclaseK(AlSi3O8)
O PhlogopiteKMg3(AlSi3O10)(OH)2
O PowelliteCa(MoO4)
O QuartzSiO2
O Rowlandite-(Y)(Y,Ce)4Fe2+(Si2O7)2F2 (?)
O RutileTiO2
O Samarskite-(Y)YFe3+Nb2O8
O Quartz var. Smoky QuartzSiO2
O Tengerite-(Y)Y2(CO3)3 · 2-3H2O
O ThoriteTh(SiO4)
O Thorite var. Thorogummite(Th,U)(SiO4)1-x(OH)4x
O UraniniteUO2
O VesuvianiteCa19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
O Yttrialite-(Y)(Y,Th)2Si2O7
O Yttrocrasite-(Y)(Y,Th,Ca,U)(Ti,Fe)2(O,OH)6
O ZirconZr(SiO4)
O Quartz var. Milky QuartzSiO2
O Zircon var. CyrtoliteZr[(SiO4),(OH)4]
O Columbite-(Fe)-Columbite-(Mn) Series
FFluorine
F Bastnäsite(Ce/Nd/Y/REE)(CO3)F
F BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
F Fluorite var. ChlorophaneCaF2
F FluoriteCaF2
F Rowlandite-(Y)(Y,Ce)4Fe2+(Si2O7)2F2 (?)
F Tveitite-(Y)(Y, Na)6Ca6Ca6(Ca,Na)F42
NaSodium
Na AlbiteNa(AlSi3O8)
Na Tveitite-(Y)(Y, Na)6Ca6Ca6(Ca,Na)F42
MgMagnesium
Mg BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Mg PhlogopiteKMg3(AlSi3O10)(OH)2
Mg VesuvianiteCa19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
AlAluminium
Al AlbiteNa(AlSi3O8)
Al Allanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
Al Allanite-(La)(CaLa)(AlAlFe2+)O[Si2O7][SiO4](OH)
Al Allanite-(Y)(CaY)(AlAlFe2+)O[Si2O7][SiO4](OH)
Al BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Al MicroclineK(AlSi3O8)
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al OrthoclaseK(AlSi3O8)
Al PhlogopiteKMg3(AlSi3O10)(OH)2
Al VesuvianiteCa19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
SiSilicon
Si AlbiteNa(AlSi3O8)
Si Allanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
Si Allanite-(La)(CaLa)(AlAlFe2+)O[Si2O7][SiO4](OH)
Si Allanite-(Y)(CaY)(AlAlFe2+)O[Si2O7][SiO4](OH)
Si Quartz var. AmethystSiO2
Si BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Si Gadolinite-(Y)Y2Fe2+Be2Si2O10
Si MicroclineK(AlSi3O8)
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si OpalSiO2 · nH2O
Si OrthoclaseK(AlSi3O8)
Si PhlogopiteKMg3(AlSi3O10)(OH)2
Si QuartzSiO2
Si Rowlandite-(Y)(Y,Ce)4Fe2+(Si2O7)2F2 (?)
Si Quartz var. Smoky QuartzSiO2
Si ThoriteTh(SiO4)
Si Thorite var. Thorogummite(Th,U)(SiO4)1-x(OH)4x
Si VesuvianiteCa19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
Si Yttrialite-(Y)(Y,Th)2Si2O7
Si ZirconZr(SiO4)
Si Quartz var. Milky QuartzSiO2
Si Zircon var. CyrtoliteZr[(SiO4),(OH)4]
PPhosphorus
P AutuniteCa(UO2)2(PO4)2 · 10-12H2O
SSulfur
S ChalcopyriteCuFeS2
S CopiapiteFe2+Fe43+(SO4)6(OH)2 · 20H2O
S MolybdeniteMoS2
S PyriteFeS2
S SphaleriteZnS
S StibniteSb2S3
KPotassium
K BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
K MicroclineK(AlSi3O8)
K MuscoviteKAl2(AlSi3O10)(OH)2
K OrthoclaseK(AlSi3O8)
K PhlogopiteKMg3(AlSi3O10)(OH)2
CaCalcium
Ca Allanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
Ca Allanite-(La)(CaLa)(AlAlFe2+)O[Si2O7][SiO4](OH)
Ca Allanite-(Y)(CaY)(AlAlFe2+)O[Si2O7][SiO4](OH)
Ca AutuniteCa(UO2)2(PO4)2 · 10-12H2O
Ca Fluorite var. ChlorophaneCaF2
Ca Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Ca FluoriteCaF2
Ca PowelliteCa(MoO4)
Ca Tveitite-(Y)(Y, Na)6Ca6Ca6(Ca,Na)F42
Ca VesuvianiteCa19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
Ca Yttrocrasite-(Y)(Y,Th,Ca,U)(Ti,Fe)2(O,OH)6
TiTitanium
Ti BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Ti Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Ti IlmeniteFe2+TiO3
Ti RutileTiO2
Ti Yttrocrasite-(Y)(Y,Th,Ca,U)(Ti,Fe)2(O,OH)6
MnManganese
Mn Columbite-(Fe)-Columbite-(Mn) Series
FeIron
Fe Allanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
Fe Allanite-(La)(CaLa)(AlAlFe2+)O[Si2O7][SiO4](OH)
Fe Allanite-(Y)(CaY)(AlAlFe2+)O[Si2O7][SiO4](OH)
Fe BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Fe ChalcopyriteCuFeS2
Fe CopiapiteFe2+Fe43+(SO4)6(OH)2 · 20H2O
Fe FerrimolybditeFe2(MoO4)3 · nH2O
Fe Gadolinite-(Y)Y2Fe2+Be2Si2O10
Fe HematiteFe2O3
Fe IlmeniteFe2+TiO3
Fe MagnetiteFe2+Fe23+O4
Fe PyriteFeS2
Fe Rowlandite-(Y)(Y,Ce)4Fe2+(Si2O7)2F2 (?)
Fe Samarskite-(Y)YFe3+Nb2O8
Fe VesuvianiteCa19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
Fe Yttrocrasite-(Y)(Y,Th,Ca,U)(Ti,Fe)2(O,OH)6
Fe Columbite-(Fe)-Columbite-(Mn) Series
CuCopper
Cu ChalcopyriteCuFeS2
ZnZinc
Zn SphaleriteZnS
YYttrium
Y Allanite-(Y)(CaY)(AlAlFe2+)O[Si2O7][SiO4](OH)
Y Bastnäsite(Ce/Nd/Y/REE)(CO3)F
Y Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Y Fergusonite-(Y)YNbO4
Y Gadolinite-(Y)Y2Fe2+Be2Si2O10
Y Rowlandite-(Y)(Y,Ce)4Fe2+(Si2O7)2F2 (?)
Y Samarskite-(Y)YFe3+Nb2O8
Y Tengerite-(Y)Y2(CO3)3 · 2-3H2O
Y Tveitite-(Y)(Y, Na)6Ca6Ca6(Ca,Na)F42
Y Yttrialite-(Y)(Y,Th)2Si2O7
Y Yttrocrasite-(Y)(Y,Th,Ca,U)(Ti,Fe)2(O,OH)6
ZrZirconium
Zr ZirconZr(SiO4)
Zr Zircon var. CyrtoliteZr[(SiO4),(OH)4]
NbNiobium
Nb Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Nb Fergusonite-(Y)YNbO4
Nb Samarskite-(Y)YFe3+Nb2O8
Nb Columbite-(Fe)-Columbite-(Mn) Series
MoMolybdenum
Mo FerrimolybditeFe2(MoO4)3 · nH2O
Mo MolybdeniteMoS2
Mo MolybditeMoO3
Mo PowelliteCa(MoO4)
SnTin
Sn CassiteriteSnO2
SbAntimony
Sb StibniteSb2S3
LaLanthanum
La Allanite-(La)(CaLa)(AlAlFe2+)O[Si2O7][SiO4](OH)
CeCerium
Ce Allanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
Ce Bastnäsite(Ce/Nd/Y/REE)(CO3)F
Ce Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Ce Rowlandite-(Y)(Y,Ce)4Fe2+(Si2O7)2F2 (?)
NdNeodymium
Nd Bastnäsite(Ce/Nd/Y/REE)(CO3)F
TaTantalum
Ta Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
ThThorium
Th Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Th ThoriteTh(SiO4)
Th Thorite var. Thorogummite(Th,U)(SiO4)1-x(OH)4x
Th Yttrialite-(Y)(Y,Th)2Si2O7
Th Yttrocrasite-(Y)(Y,Th,Ca,U)(Ti,Fe)2(O,OH)6
UUranium
U AutuniteCa(UO2)2(PO4)2 · 10-12H2O
U Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
U Thorite var. Thorogummite(Th,U)(SiO4)1-x(OH)4x
U UraniniteUO2
U Yttrocrasite-(Y)(Y,Th,Ca,U)(Ti,Fe)2(O,OH)6

Localities in this Region

Other Regions, Features and Areas containing this locality

North AmericaContinent
North America PlateTectonic Plate

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