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Oxford Serpentine Quarry (Collins prospect), Oxford, Llano County, Texas, USAi
Regional Level Types
Oxford Serpentine Quarry (Collins prospect)Quarry
OxfordHamlet
Llano CountyCounty
TexasState
USACountry

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Latitude & Longitude (WGS84):
30° 36' North , 98° 42' West
Latitude & Longitude (decimal):
30.60000,-98.70000
GRN:
N21W61
Type:
Quarry
Köppen climate type:
Cfa : Humid subtropical climate
Nearest Settlements:
PlacePopulationDistance
Llano3,341 (2017)17.9km
Kingsland6,030 (2011)25.6km
Sunrise Beach Village731 (2017)27.7km
Highland Haven452 (2017)29.1km
Buchanan Dam1,519 (2011)30.0km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Fredericksburg RockhoundsFredericksburg, Texas40km
Mindat Locality ID:
17544
Long-form identifier:
mindat:1:2:17544:0
GUID (UUID V4):
0
Other/historical names associated with this locality:
Collins Quarry


A serpentine quarry. Synthetic crystals were erroneously/fraudulently reported as occurring at this quarry, including "albrittonite", "nickelbischofite", and "texasite" (praseodymium sulfate!).

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


13 valid minerals.

Detailed Mineral List:

ⓘ 'Albrittonite' ?
Formula: CoCl2 · 6H2O
ⓘ Annabergite ?
Formula: Ni3(AsO4)2 · 8H2O
ⓘ Anthophyllite
Formula: ◻{Mg2}{Mg5}(Si8O22)(OH)2
ⓘ 'Chlorite Group'
ⓘ Chromite
Formula: Fe2+Cr3+2O4
ⓘ Cobaltite ?
Formula: CoAsS
ⓘ Erythrite ?
Formula: Co3(AsO4)2 · 8H2O
ⓘ Linnaeite ?
Formula: Co2+Co3+2S4
ⓘ Magnetite
Formula: Fe2+Fe3+2O4
ⓘ Nickelbischofite ?
Formula: NiCl2 · 6H2O
ⓘ Nickeline ?
Formula: NiAs
ⓘ Quartz
Formula: SiO2
ⓘ 'Serpentine Subgroup'
Formula: D3[Si2O5](OH)4
ⓘ Siegenite ?
Formula: CoNi2S4
ⓘ Talc
Formula: Mg3Si4O10(OH)2
ⓘ Zaratite ?
Formula: Ni3(CO3)(OH)4 · 4H2O ?

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘNickeline ?2.CC.05NiAs
ⓘLinnaeite ?2.DA.05Co2+Co3+2S4
ⓘSiegenite ?2.DA.05CoNi2S4
ⓘCobaltite ?2.EB.25CoAsS
Group 3 - Halides
ⓘNickelbischofite ?3.BB.20NiCl2 · 6H2O
Group 4 - Oxides and Hydroxides
ⓘChromite4.BB.05Fe2+Cr3+2O4
ⓘMagnetite4.BB.05Fe2+Fe3+2O4
ⓘQuartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
ⓘZaratite ?5.DA.15Ni3(CO3)(OH)4 · 4H2O ?
Group 8 - Phosphates, Arsenates and Vanadates
ⓘAnnabergite ?8.CE.40Ni3(AsO4)2 · 8H2O
ⓘErythrite ?8.CE.40Co3(AsO4)2 · 8H2O
Group 9 - Silicates
ⓘAnthophyllite9.DD.05◻{Mg2}{Mg5}(Si8O22)(OH)2
ⓘTalc9.EC.05Mg3Si4O10(OH)2
Unclassified
ⓘ'Albrittonite' ?-CoCl2 · 6H2O
ⓘ'Chlorite Group'-
ⓘ'Serpentine Subgroup'-D3[Si2O5](OH)4

List of minerals for each chemical element

HHydrogen
Hⓘ AlbrittoniteCoCl2 · 6H2O
Hⓘ AnnabergiteNi3(AsO4)2 · 8H2O
Hⓘ Anthophyllite◻{Mg2}{Mg5}(Si8O22)(OH)2
Hⓘ ErythriteCo3(AsO4)2 · 8H2O
Hⓘ NickelbischofiteNiCl2 · 6H2O
Hⓘ TalcMg3Si4O10(OH)2
Hⓘ ZaratiteNi3(CO3)(OH)4 · 4H2O ?
Hⓘ Serpentine SubgroupD3[Si2O5](OH)4
CCarbon
Cⓘ ZaratiteNi3(CO3)(OH)4 · 4H2O ?
OOxygen
Oⓘ AlbrittoniteCoCl2 · 6H2O
Oⓘ AnnabergiteNi3(AsO4)2 · 8H2O
Oⓘ Anthophyllite◻{Mg2}{Mg5}(Si8O22)(OH)2
Oⓘ ChromiteFe2+Cr23+O4
Oⓘ ErythriteCo3(AsO4)2 · 8H2O
Oⓘ MagnetiteFe2+Fe23+O4
Oⓘ NickelbischofiteNiCl2 · 6H2O
Oⓘ QuartzSiO2
Oⓘ TalcMg3Si4O10(OH)2
Oⓘ ZaratiteNi3(CO3)(OH)4 · 4H2O ?
Oⓘ Serpentine SubgroupD3[Si2O5](OH)4
MgMagnesium
Mgⓘ Anthophyllite◻{Mg2}{Mg5}(Si8O22)(OH)2
Mgⓘ TalcMg3Si4O10(OH)2
SiSilicon
Siⓘ Anthophyllite◻{Mg2}{Mg5}(Si8O22)(OH)2
Siⓘ QuartzSiO2
Siⓘ TalcMg3Si4O10(OH)2
Siⓘ Serpentine SubgroupD3[Si2O5](OH)4
SSulfur
Sⓘ CobaltiteCoAsS
Sⓘ LinnaeiteCo2+Co23+S4
Sⓘ SiegeniteCoNi2S4
ClChlorine
Clⓘ AlbrittoniteCoCl2 · 6H2O
Clⓘ NickelbischofiteNiCl2 · 6H2O
CrChromium
Crⓘ ChromiteFe2+Cr23+O4
FeIron
Feⓘ ChromiteFe2+Cr23+O4
Feⓘ MagnetiteFe2+Fe23+O4
CoCobalt
Coⓘ AlbrittoniteCoCl2 · 6H2O
Coⓘ CobaltiteCoAsS
Coⓘ ErythriteCo3(AsO4)2 · 8H2O
Coⓘ LinnaeiteCo2+Co23+S4
Coⓘ SiegeniteCoNi2S4
NiNickel
Niⓘ AnnabergiteNi3(AsO4)2 · 8H2O
Niⓘ NickelbischofiteNiCl2 · 6H2O
Niⓘ NickelineNiAs
Niⓘ SiegeniteCoNi2S4
Niⓘ ZaratiteNi3(CO3)(OH)4 · 4H2O ?
AsArsenic
Asⓘ AnnabergiteNi3(AsO4)2 · 8H2O
Asⓘ CobaltiteCoAsS
Asⓘ ErythriteCo3(AsO4)2 · 8H2O
Asⓘ NickelineNiAs

Other Regions, Features and Areas containing this locality

North AmericaContinent
North America PlateTectonic Plate

This page 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. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

Peacor D.R., Simmons W.B., Jr., Essene E.J., Heinrich E.W. (1982): New data on and discreditation of "texasite", "albrittonite", "cuproartinite","cuprohydromagnesite", and "yttromicrolite" with corrected data on nickelbischofite, rowlandite and yttrocrasite. American Mineralogist. 67, 156-169. http://www.minsocam.org/ammin/AM67/AM67_156.pdf
Crook, Wilson W. III, Marcotty, Louise-Annette (1978) Albrittonite, a new cobalt chloride hydrate from Oxford, Llano County, Texas. American Mineralogist, 63 (3-4) 410-412
Smith, Arthur E. (1991) Texas Mineral Locality Index. Rocks & Minerals, 66 (3) 196-224 doi:10.1080/00357529.1991.11761622
www.minsocam.org (2012) http://www.minsocam.org/ammin/AM67/AM67_156.pdf
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