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Oxford Serpentine Quarry (Collins prospect), Oxford, Llano County, Texas, USA i
Regional Level Types
Oxford Serpentine Quarry (Collins prospect) Quarry
Oxford Hamlet
Llano County County
Texas State
USA Country

Regional Level Types
Oxford Serpentine Quarry (Collins prospect)	Quarry
Oxford	Hamlet
Llano County	County
Texas	State
USA	Country

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Latitude & Longitude (WGS84):

30° 36' North , 98° 42' West

Latitude & Longitude (decimal):

Type:

Köppen climate type:

Cfa : Humid subtropical climate

Nearest Settlements:

Place	Population	Distance
Llano	3,341 (2017)	17.9km
Kingsland	6,030 (2011)	25.6km
Sunrise Beach Village	731 (2017)	27.7km
Highland Haven	452 (2017)	29.1km
Buchanan Dam	1,519 (2011)	30.0km

Nearest Clubs:
Local clubs are the best way to get access to collecting localities

Club	Location	Distance
Fredericksburg Rockhounds	Fredericksburg, Texas	40km

Mindat Locality ID:

17544

Long-form identifier:

mindat:1:2:17544:0

GUID (UUID V4):

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

References:

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

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, 68. p.156-169.

ⓘ Annabergite ?

Formula: Ni₃(AsO₄)₂ · 8H₂O

References:

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

ⓘ Anthophyllite

Formula: ◻Mg₂Mg₅(Si₈O₂₂)(OH)₂

References:

Smith, Arthur E. (1991) Texas Mineral Locality Index. Rocks & Minerals, 66 (3) 196-224 doi:10.1080/00357529.1991.11761622

ⓘ 'Chlorite Group'

References:

Smith, Arthur E. (1991) Texas Mineral Locality Index. Rocks & Minerals, 66 (3) 196-224 doi:10.1080/00357529.1991.11761622

ⓘ Chromite

Formula: Fe²⁺Cr³⁺₂O₄

References:

Smith, Arthur E. (1991) Texas Mineral Locality Index. Rocks & Minerals, 66 (3) 196-224 doi:10.1080/00357529.1991.11761622

ⓘ Cobaltite ?

Formula: CoAsS

References:

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

ⓘ Erythrite ?

Formula: Co₃(AsO₄)₂ · 8H₂O

References:

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

ⓘ Linnaeite ?

Formula: Co²⁺Co³⁺₂S₄

References:

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

ⓘ Magnetite

Formula: Fe²⁺Fe³⁺₂O₄

References:

Smith, Arthur E. (1991) Texas Mineral Locality Index. Rocks & Minerals, 66 (3) 196-224 doi:10.1080/00357529.1991.11761622

ⓘ Nickelbischofite ?

Formula: NiCl₂ · 6H₂O

References:

Smith, Arthur E. (1991) Texas Mineral Locality Index. Rocks & Minerals, 66 (3) 196-224 doi:10.1080/00357529.1991.11761622

ⓘ Nickeline ?

Formula: NiAs

References:

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

ⓘ Quartz

Formula: SiO₂

References:

Smith, Arthur E. (1991) Texas Mineral Locality Index. Rocks & Minerals, 66 (3) 196-224 doi:10.1080/00357529.1991.11761622

ⓘ 'Serpentine Subgroup'

Formula: D₃[Si₂O₅](OH)₄

References:

ⓘ Siegenite ?

Formula: CoNi₂S₄

References:

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

ⓘ Talc

Formula: Mg₃Si₄O₁₀(OH)₂

References:

Smith, Arthur E. (1991) Texas Mineral Locality Index. Rocks & Minerals, 66 (3) 196-224 doi:10.1080/00357529.1991.11761622

ⓘ Zaratite ?

Formula: Ni₃(CO₃)(OH)₄ · 4H₂O ?

References:

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

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘ	Nickeline ?	2.CC.05	NiAs
ⓘ	Linnaeite ?	2.DA.05	Co²⁺Co³⁺₂S₄
ⓘ	Siegenite ?	2.DA.05	CoNi₂S₄
ⓘ	Cobaltite ?	2.EB.25	CoAsS
Group 3 - Halides
ⓘ	Nickelbischofite ?	3.BB.20	NiCl₂ · 6H₂O
Group 4 - Oxides and Hydroxides
ⓘ	Chromite	4.BB.05	Fe²⁺Cr³⁺₂O₄
ⓘ	Magnetite	4.BB.05	Fe²⁺Fe³⁺₂O₄
ⓘ	Quartz	4.DA.05	SiO₂
Group 5 - Nitrates and Carbonates
ⓘ	Zaratite ?	5.DA.15	Ni₃(CO₃)(OH)₄ · 4H₂O ?
Group 8 - Phosphates, Arsenates and Vanadates
ⓘ	Annabergite ?	8.CE.40	Ni₃(AsO₄)₂ · 8H₂O
ⓘ	Erythrite ?	8.CE.40	Co₃(AsO₄)₂ · 8H₂O
Group 9 - Silicates
ⓘ	Anthophyllite	9.DD.05	◻Mg₂Mg₅(Si₈O₂₂)(OH)₂
ⓘ	Talc	9.EC.05	Mg₃Si₄O₁₀(OH)₂
Unclassified
ⓘ	'Albrittonite' ?	-	CoCl₂ · 6H₂O
ⓘ	'Chlorite Group'	-
ⓘ	'Serpentine Subgroup'	-	D₃[Si₂O₅](OH)₄

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Albrittonite	CoCl₂ · 6H₂O
H	ⓘ Annabergite	Ni₃(AsO₄)₂ · 8H₂O
H	ⓘ Anthophyllite	◻Mg₂Mg₅(Si₈O₂₂)(OH)₂
H	ⓘ Erythrite	Co₃(AsO₄)₂ · 8H₂O
H	ⓘ Nickelbischofite	NiCl₂ · 6H₂O
H	ⓘ Talc	Mg₃Si₄O₁₀(OH)₂
H	ⓘ Zaratite	Ni₃(CO₃)(OH)₄ · 4H₂O ?
H	ⓘ Serpentine Subgroup	D₃[Si₂O₅](OH)₄
C	Carbon
C	ⓘ Zaratite	Ni₃(CO₃)(OH)₄ · 4H₂O ?
O	Oxygen
O	ⓘ Albrittonite	CoCl₂ · 6H₂O
O	ⓘ Annabergite	Ni₃(AsO₄)₂ · 8H₂O
O	ⓘ Anthophyllite	◻Mg₂Mg₅(Si₈O₂₂)(OH)₂
O	ⓘ Chromite	Fe²⁺Cr₂³⁺O₄
O	ⓘ Erythrite	Co₃(AsO₄)₂ · 8H₂O
O	ⓘ Magnetite	Fe²⁺Fe₂³⁺O₄
O	ⓘ Nickelbischofite	NiCl₂ · 6H₂O
O	ⓘ Quartz	SiO₂
O	ⓘ Talc	Mg₃Si₄O₁₀(OH)₂
O	ⓘ Zaratite	Ni₃(CO₃)(OH)₄ · 4H₂O ?
O	ⓘ Serpentine Subgroup	D₃[Si₂O₅](OH)₄
Mg	Magnesium
Mg	ⓘ Anthophyllite	◻Mg₂Mg₅(Si₈O₂₂)(OH)₂
Mg	ⓘ Talc	Mg₃Si₄O₁₀(OH)₂
Si	Silicon
Si	ⓘ Anthophyllite	◻Mg₂Mg₅(Si₈O₂₂)(OH)₂
Si	ⓘ Quartz	SiO₂
Si	ⓘ Talc	Mg₃Si₄O₁₀(OH)₂
Si	ⓘ Serpentine Subgroup	D₃[Si₂O₅](OH)₄
S	Sulfur
S	ⓘ Cobaltite	CoAsS
S	ⓘ Linnaeite	Co²⁺Co₂³⁺S₄
S	ⓘ Siegenite	CoNi₂S₄
Cl	Chlorine
Cl	ⓘ Albrittonite	CoCl₂ · 6H₂O
Cl	ⓘ Nickelbischofite	NiCl₂ · 6H₂O
Cr	Chromium
Cr	ⓘ Chromite	Fe²⁺Cr₂³⁺O₄
Fe	Iron
Fe	ⓘ Chromite	Fe²⁺Cr₂³⁺O₄
Fe	ⓘ Magnetite	Fe²⁺Fe₂³⁺O₄
Co	Cobalt
Co	ⓘ Albrittonite	CoCl₂ · 6H₂O
Co	ⓘ Cobaltite	CoAsS
Co	ⓘ Erythrite	Co₃(AsO₄)₂ · 8H₂O
Co	ⓘ Linnaeite	Co²⁺Co₂³⁺S₄
Co	ⓘ Siegenite	CoNi₂S₄
Ni	Nickel
Ni	ⓘ Annabergite	Ni₃(AsO₄)₂ · 8H₂O
Ni	ⓘ Nickelbischofite	NiCl₂ · 6H₂O
Ni	ⓘ Nickeline	NiAs
Ni	ⓘ Siegenite	CoNi₂S₄
Ni	ⓘ Zaratite	Ni₃(CO₃)(OH)₄ · 4H₂O ?
As	Arsenic
As	ⓘ Annabergite	Ni₃(AsO₄)₂ · 8H₂O
As	ⓘ Cobaltite	CoAsS
As	ⓘ Erythrite	Co₃(AsO₄)₂ · 8H₂O
As	ⓘ Nickeline	NiAs

Other Regions, Features and Areas containing this locality

North AmericaContinent

North America PlateTectonic Plate

Granite-Rhyolite ProvinceMagmatic Province
Shawnee DomainDomain

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, 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

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