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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' 0'' North , 98° 41' 60'' West
Latitude & Longitude (decimal):
30.60000,-98.70000
GeoHash:
G#: 9v3y448cg
GRN:
N21W61
Type:
Quarry
KΓΆppen 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):
bff696ed-cb3b-4164-ad4b-7e33763d17b9
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:

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

Gallery:

List of minerals arranged by Strunz 10th Edition classification

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

List of minerals for each chemical element

HHydrogen
Hβ“˜ AlbrittoniteCoCl2 · 6H2O
Hβ“˜ AnnabergiteNi3(AsO4)2 · 8H2O
Hβ“˜ Anthophyllite◻{Mg2}{Mg5}(Si8O22)(OH)2
Hβ“˜ ErythriteCo3(AsO4)2 · 8H2O
Hβ“˜ NickelbischofiteNiCl2 · 6H2O
Hβ“˜ TalcMg3Si4O10(OH)2
Hβ“˜ ZaratiteNi3(CO3)(OH)4 · 4H2O ?
Hβ“˜ Serpentine SubgroupD3[Si2O5](OH)4
CCarbon
Cβ“˜ ZaratiteNi3(CO3)(OH)4 · 4H2O ?
OOxygen
Oβ“˜ AlbrittoniteCoCl2 · 6H2O
Oβ“˜ AnnabergiteNi3(AsO4)2 · 8H2O
Oβ“˜ Anthophyllite◻{Mg2}{Mg5}(Si8O22)(OH)2
Oβ“˜ ChromiteFe2+Cr23+O4
Oβ“˜ ErythriteCo3(AsO4)2 · 8H2O
Oβ“˜ MagnetiteFe2+Fe23+O4
Oβ“˜ NickelbischofiteNiCl2 · 6H2O
Oβ“˜ QuartzSiO2
Oβ“˜ TalcMg3Si4O10(OH)2
Oβ“˜ ZaratiteNi3(CO3)(OH)4 · 4H2O ?
Oβ“˜ Serpentine SubgroupD3[Si2O5](OH)4
MgMagnesium
Mgβ“˜ Anthophyllite◻{Mg2}{Mg5}(Si8O22)(OH)2
Mgβ“˜ TalcMg3Si4O10(OH)2
SiSilicon
Siβ“˜ Anthophyllite◻{Mg2}{Mg5}(Si8O22)(OH)2
Siβ“˜ QuartzSiO2
Siβ“˜ TalcMg3Si4O10(OH)2
Siβ“˜ Serpentine SubgroupD3[Si2O5](OH)4
SSulfur
Sβ“˜ CobaltiteCoAsS
Sβ“˜ LinnaeiteCo2+Co23+S4
Sβ“˜ SiegeniteCoNi2S4
ClChlorine
Clβ“˜ AlbrittoniteCoCl2 · 6H2O
Clβ“˜ NickelbischofiteNiCl2 · 6H2O
CrChromium
Crβ“˜ ChromiteFe2+Cr23+O4
FeIron
Feβ“˜ ChromiteFe2+Cr23+O4
Feβ“˜ MagnetiteFe2+Fe23+O4
CoCobalt
Coβ“˜ AlbrittoniteCoCl2 · 6H2O
Coβ“˜ CobaltiteCoAsS
Coβ“˜ ErythriteCo3(AsO4)2 · 8H2O
Coβ“˜ LinnaeiteCo2+Co23+S4
Coβ“˜ SiegeniteCoNi2S4
NiNickel
Niβ“˜ AnnabergiteNi3(AsO4)2 · 8H2O
Niβ“˜ NickelbischofiteNiCl2 · 6H2O
Niβ“˜ NickelineNiAs
Niβ“˜ SiegeniteCoNi2S4
Niβ“˜ ZaratiteNi3(CO3)(OH)4 · 4H2O ?
AsArsenic
Asβ“˜ AnnabergiteNi3(AsO4)2 · 8H2O
Asβ“˜ CobaltiteCoAsS
Asβ“˜ ErythriteCo3(AsO4)2 · 8H2O
Asβ“˜ NickelineNiAs

Other Regions, Features and Areas containing this locality

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

Crook, W.W., III & Marcotty, L.-A. (1978) Albrittonite, a new cobalt chloride hydrate from Oxford, Llano County, Texas; American Mineralogist: 63: 410-412.
Peacor D.R., Simmons W.B., 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.
Rocks & Minerals (1991): 66(3): 196-224.
www.minsocam.org (n.d.) http://www.minsocam.org/ammin/AM67/AM67_156.pdf
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