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Mount Cobalt Mine, Selwyn District, Cloncurry Shire, Queensland, Australiai
Regional Level Types
Mount Cobalt MineMine (Abandoned)
Selwyn DistrictMining District
Cloncurry ShireShire
QueenslandState
AustraliaCountry

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PhotosMapsSearch
Latitude & Longitude (WGS84):
21° 44' 12'' South , 140° 29' 34'' East
Latitude & Longitude (decimal):
-21.73694,140.49278
GeoHash:
G#: rh5ukfztn
GRN:
S15E93
Type:
Mine (Abandoned) - last checked 2021
KΓΆppen climate type:
BWh : Hot deserts climate
Mindat Locality ID:
138
Long-form identifier:
mindat:1:2:138:5
GUID (UUID V4):
3ebd99bd-ef4d-4ab7-babd-bc03921101b2


An abandoned underground Cobalt (+As, Cu) mine, located 153 km SE of Mount Isa and 140Β km S of Mt Isa. It was discovered in 1919 and produced 766 tons of cobalt from 1921-1934, from about 2000t of ore (Day & Beyer, 1995).

The deposit contains sulphides and fracture fillings in a sheared contact between a metadolerite sill (footwall) and quartzite and quartz-biotite-muscovite schist (hanging wall). There are also disseminated sulphides hosted in the metadolerite/amphibolite (Day & Beyer, 1995).

Famous amongst collectors for erythrite specimens, but the dumps are now reportedly highly picked over, with little interesting material to be found. The underground workings are reportedly accessible only via a dangerous shaft.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.


Mineral List


31 valid minerals.

Rock Types Recorded

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

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

β“˜ 'Agardite' ?
β“˜ Agardite-(La)
Formula: LaCu6(AsO4)3(OH)6 · 3H2O
β“˜ Allanite-(Ce)
Formula: (CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
β“˜ Alloclasite
Formula: Co1-xFexAsS
β“˜ Arsenopyrite
Formula: FeAsS
Description: Co-bearing
β“˜ Azurite
Formula: Cu3(CO3)2(OH)2
β“˜ Baryte
Formula: BaSO4
β“˜ Chrysocolla
Formula: Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
β“˜ Clinoclase
Formula: Cu3(AsO4)(OH)3
β“˜ Cobaltaustinite
Formula: CaCo(AsO4)(OH)
β“˜ Cobaltite
Formula: CoAsS
β“˜ Conichalcite
Formula: CaCu(AsO4)(OH)
β“˜ Copper
Formula: Cu
β“˜ Cuprite
Formula: Cu2O
β“˜ Erythrite
Formula: Co3(AsO4)2 · 8H2O
β“˜ Fluorapatite
Formula: Ca5(PO4)3F
β“˜ Glaucodot ?
Formula: (Co0.50Fe0.50)AsS
β“˜ Gold
Formula: Au
References:
Sorrell, Steve (n.d.) Personal communication.Identified by Steve Sorrell: Visual Identification
β“˜ Heterogenite
Formula: Co3+O(OH)
β“˜ Ilmenite
Formula: Fe2+TiO3
β“˜ Lavendulan
Formula: NaCaCu5(AsO4)4Cl · 5H2O
β“˜ Malachite
Formula: Cu2(CO3)(OH)2
β“˜ Mansfieldite
Formula: AlAsO4 · 2H2O
β“˜ Mansfieldite var. Cobalt-bearing Mansfieldite
Formula: (Al,Co)AsO4 · 2H2O
β“˜ Natrojarosite
Formula: NaFe3(SO4)2(OH)6
β“˜ Olivenite
Formula: Cu2(AsO4)(OH)
β“˜ Olivenite var. Cobalt-bearing Olivenite
Formula: (Cu,Co)2AsO4(OH)
β“˜ Pharmacolite ?
Formula: Ca(HAsO4) · 2H2O
β“˜ Pyrite
Formula: FeS2
β“˜ Pyrrhotite
Formula: Fe1-xS
β“˜ Quartz
Formula: SiO2
β“˜ Scheelite
Formula: Ca(WO4)
β“˜ Smolyaninovite
Formula: Co3Fe3+2(AsO4)4 · 11H2O
β“˜ Spherocobaltite
Formula: CoCO3
β“˜ 'Xenotime'

Gallery:

CoAsSβ“˜ Cobaltite
CaCu(AsO4)(OH)β“˜ Conichalcite
Co3(AsO4)2 · 8H2Oβ“˜ Erythrite
Co3+O(OH)β“˜ Heterogenite
AlAsO4 · 2H2Oβ“˜ Mansfieldite
(Al,Co)AsO4 · 2H2Oβ“˜ Mansfieldite var. Cobalt-bearing Mansfieldite
Co3Fe3+2(AsO4)4 · 11H2Oβ“˜ Smolyaninovite

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
β“˜Gold1.AA.05Au
β“˜Copper1.AA.05Cu
Group 2 - Sulphides and Sulfosalts
β“˜Pyrrhotite2.CC.10Fe1-xS
β“˜Pyrite2.EB.05aFeS2
β“˜Alloclasite2.EB.10bCo1-xFexAsS
β“˜Glaucodot ?2.EB.10c(Co0.50Fe0.50)AsS
β“˜Arsenopyrite2.EB.20FeAsS
β“˜Cobaltite2.EB.25CoAsS
Group 4 - Oxides and Hydroxides
β“˜Cuprite4.AA.10Cu2O
β“˜Ilmenite4.CB.05Fe2+TiO3
β“˜Quartz4.DA.05SiO2
β“˜Heterogenite4.FE.20Co3+O(OH)
Group 5 - Nitrates and Carbonates
β“˜Spherocobaltite5.AB.05CoCO3
β“˜Azurite5.BA.05Cu3(CO3)2(OH)2
β“˜Malachite5.BA.10Cu2(CO3)(OH)2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
β“˜Baryte7.AD.35BaSO4
β“˜Natrojarosite7.BC.10NaFe3(SO4)2(OH)6
β“˜Scheelite7.GA.05Ca(WO4)
Group 8 - Phosphates, Arsenates and Vanadates
β“˜Olivenite8.BB.30Cu2(AsO4)(OH)
β“˜var. Cobalt-bearing Olivenite8.BB.30(Cu,Co)2AsO4(OH)
β“˜Clinoclase8.BE.20Cu3(AsO4)(OH)3
β“˜Conichalcite8.BH.35CaCu(AsO4)(OH)
β“˜Cobaltaustinite8.BH.35CaCo(AsO4)(OH)
β“˜Fluorapatite8.BN.05Ca5(PO4)3F
β“˜Mansfieldite8.CD.10AlAsO4 Β· 2H2O
β“˜var. Cobalt-bearing Mansfieldite8.CD.10(Al,Co)AsO4 Β· 2H2O
β“˜Erythrite8.CE.40Co3(AsO4)2 Β· 8H2O
β“˜Smolyaninovite8.CH.55Co3Fe3+2(AsO4)4 Β· 11H2O
β“˜Pharmacolite ?8.CJ.50Ca(HAsO4) Β· 2H2O
β“˜Lavendulan8.DG.05NaCaCu5(AsO4)4Cl Β· 5H2O
β“˜Agardite-(La)8.DL.15LaCu6(AsO4)3(OH)6 Β· 3H2O
Group 9 - Silicates
β“˜Allanite-(Ce)9.BG.05b(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
β“˜Chrysocolla9.ED.20Cu2-xAlx(H2-xSi2O5)(OH)4 Β· nH2O, x < 1
Unclassified
β“˜'Xenotime'-
β“˜'Agardite' ?-

List of minerals for each chemical element

HHydrogen
Hβ“˜ Agardite-(La)LaCu6(AsO4)3(OH)6 · 3H2O
Hβ“˜ Allanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
Hβ“˜ AzuriteCu3(CO3)2(OH)2
Hβ“˜ ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Hβ“˜ ClinoclaseCu3(AsO4)(OH)3
Hβ“˜ CobaltaustiniteCaCo(AsO4)(OH)
Hβ“˜ ConichalciteCaCu(AsO4)(OH)
Hβ“˜ ErythriteCo3(AsO4)2 · 8H2O
Hβ“˜ HeterogeniteCo3+O(OH)
Hβ“˜ LavendulanNaCaCu5(AsO4)4Cl · 5H2O
Hβ“˜ MalachiteCu2(CO3)(OH)2
Hβ“˜ MansfielditeAlAsO4 · 2H2O
Hβ“˜ NatrojarositeNaFe3(SO4)2(OH)6
Hβ“˜ OliveniteCu2(AsO4)(OH)
Hβ“˜ PharmacoliteCa(HAsO4) · 2H2O
Hβ“˜ SmolyaninoviteCo3Fe23+(AsO4)4 · 11H2O
Hβ“˜ Mansfieldite var. Cobalt-bearing Mansfieldite(Al,Co)AsO4 · 2H2O
Hβ“˜ Olivenite var. Cobalt-bearing Olivenite(Cu,Co)2AsO4(OH)
CCarbon
Cβ“˜ AzuriteCu3(CO3)2(OH)2
Cβ“˜ MalachiteCu2(CO3)(OH)2
Cβ“˜ SpherocobaltiteCoCO3
OOxygen
Oβ“˜ Agardite-(La)LaCu6(AsO4)3(OH)6 · 3H2O
Oβ“˜ Allanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
Oβ“˜ AzuriteCu3(CO3)2(OH)2
Oβ“˜ BaryteBaSO4
Oβ“˜ ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Oβ“˜ ClinoclaseCu3(AsO4)(OH)3
Oβ“˜ CobaltaustiniteCaCo(AsO4)(OH)
Oβ“˜ ConichalciteCaCu(AsO4)(OH)
Oβ“˜ CupriteCu2O
Oβ“˜ ErythriteCo3(AsO4)2 · 8H2O
Oβ“˜ FluorapatiteCa5(PO4)3F
Oβ“˜ HeterogeniteCo3+O(OH)
Oβ“˜ IlmeniteFe2+TiO3
Oβ“˜ LavendulanNaCaCu5(AsO4)4Cl · 5H2O
Oβ“˜ MalachiteCu2(CO3)(OH)2
Oβ“˜ MansfielditeAlAsO4 · 2H2O
Oβ“˜ NatrojarositeNaFe3(SO4)2(OH)6
Oβ“˜ OliveniteCu2(AsO4)(OH)
Oβ“˜ PharmacoliteCa(HAsO4) · 2H2O
Oβ“˜ QuartzSiO2
Oβ“˜ ScheeliteCa(WO4)
Oβ“˜ SpherocobaltiteCoCO3
Oβ“˜ SmolyaninoviteCo3Fe23+(AsO4)4 · 11H2O
Oβ“˜ Mansfieldite var. Cobalt-bearing Mansfieldite(Al,Co)AsO4 · 2H2O
Oβ“˜ Olivenite var. Cobalt-bearing Olivenite(Cu,Co)2AsO4(OH)
FFluorine
Fβ“˜ FluorapatiteCa5(PO4)3F
NaSodium
Naβ“˜ LavendulanNaCaCu5(AsO4)4Cl · 5H2O
Naβ“˜ NatrojarositeNaFe3(SO4)2(OH)6
AlAluminium
Alβ“˜ Allanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
Alβ“˜ ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Alβ“˜ MansfielditeAlAsO4 · 2H2O
Alβ“˜ Mansfieldite var. Cobalt-bearing Mansfieldite(Al,Co)AsO4 · 2H2O
SiSilicon
Siβ“˜ Allanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
Siβ“˜ ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Siβ“˜ QuartzSiO2
PPhosphorus
Pβ“˜ FluorapatiteCa5(PO4)3F
SSulfur
Sβ“˜ AlloclasiteCo1-xFexAsS
Sβ“˜ ArsenopyriteFeAsS
Sβ“˜ BaryteBaSO4
Sβ“˜ CobaltiteCoAsS
Sβ“˜ Glaucodot(Co0.50Fe0.50)AsS
Sβ“˜ NatrojarositeNaFe3(SO4)2(OH)6
Sβ“˜ PyriteFeS2
Sβ“˜ PyrrhotiteFe1-xS
ClChlorine
Clβ“˜ LavendulanNaCaCu5(AsO4)4Cl · 5H2O
CaCalcium
Caβ“˜ Allanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
Caβ“˜ CobaltaustiniteCaCo(AsO4)(OH)
Caβ“˜ ConichalciteCaCu(AsO4)(OH)
Caβ“˜ FluorapatiteCa5(PO4)3F
Caβ“˜ LavendulanNaCaCu5(AsO4)4Cl · 5H2O
Caβ“˜ PharmacoliteCa(HAsO4) · 2H2O
Caβ“˜ ScheeliteCa(WO4)
TiTitanium
Tiβ“˜ IlmeniteFe2+TiO3
FeIron
Feβ“˜ Allanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
Feβ“˜ AlloclasiteCo1-xFexAsS
Feβ“˜ ArsenopyriteFeAsS
Feβ“˜ Glaucodot(Co0.50Fe0.50)AsS
Feβ“˜ IlmeniteFe2+TiO3
Feβ“˜ NatrojarositeNaFe3(SO4)2(OH)6
Feβ“˜ PyriteFeS2
Feβ“˜ PyrrhotiteFe1-xS
Feβ“˜ SmolyaninoviteCo3Fe23+(AsO4)4 · 11H2O
CoCobalt
Coβ“˜ AlloclasiteCo1-xFexAsS
Coβ“˜ CobaltiteCoAsS
Coβ“˜ CobaltaustiniteCaCo(AsO4)(OH)
Coβ“˜ ErythriteCo3(AsO4)2 · 8H2O
Coβ“˜ Glaucodot(Co0.50Fe0.50)AsS
Coβ“˜ HeterogeniteCo3+O(OH)
Coβ“˜ SpherocobaltiteCoCO3
Coβ“˜ SmolyaninoviteCo3Fe23+(AsO4)4 · 11H2O
Coβ“˜ Mansfieldite var. Cobalt-bearing Mansfieldite(Al,Co)AsO4 · 2H2O
Coβ“˜ Olivenite var. Cobalt-bearing Olivenite(Cu,Co)2AsO4(OH)
CuCopper
Cuβ“˜ Agardite-(La)LaCu6(AsO4)3(OH)6 · 3H2O
Cuβ“˜ AzuriteCu3(CO3)2(OH)2
Cuβ“˜ ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Cuβ“˜ ClinoclaseCu3(AsO4)(OH)3
Cuβ“˜ ConichalciteCaCu(AsO4)(OH)
Cuβ“˜ CupriteCu2O
Cuβ“˜ CopperCu
Cuβ“˜ LavendulanNaCaCu5(AsO4)4Cl · 5H2O
Cuβ“˜ MalachiteCu2(CO3)(OH)2
Cuβ“˜ OliveniteCu2(AsO4)(OH)
Cuβ“˜ Olivenite var. Cobalt-bearing Olivenite(Cu,Co)2AsO4(OH)
AsArsenic
Asβ“˜ Agardite-(La)LaCu6(AsO4)3(OH)6 · 3H2O
Asβ“˜ AlloclasiteCo1-xFexAsS
Asβ“˜ ArsenopyriteFeAsS
Asβ“˜ ClinoclaseCu3(AsO4)(OH)3
Asβ“˜ CobaltiteCoAsS
Asβ“˜ CobaltaustiniteCaCo(AsO4)(OH)
Asβ“˜ ConichalciteCaCu(AsO4)(OH)
Asβ“˜ ErythriteCo3(AsO4)2 · 8H2O
Asβ“˜ Glaucodot(Co0.50Fe0.50)AsS
Asβ“˜ LavendulanNaCaCu5(AsO4)4Cl · 5H2O
Asβ“˜ MansfielditeAlAsO4 · 2H2O
Asβ“˜ OliveniteCu2(AsO4)(OH)
Asβ“˜ PharmacoliteCa(HAsO4) · 2H2O
Asβ“˜ SmolyaninoviteCo3Fe23+(AsO4)4 · 11H2O
Asβ“˜ Mansfieldite var. Cobalt-bearing Mansfieldite(Al,Co)AsO4 · 2H2O
Asβ“˜ Olivenite var. Cobalt-bearing Olivenite(Cu,Co)2AsO4(OH)
BaBarium
Baβ“˜ BaryteBaSO4
LaLanthanum
Laβ“˜ Agardite-(La)LaCu6(AsO4)3(OH)6 · 3H2O
CeCerium
Ceβ“˜ Allanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
WTungsten
Wβ“˜ ScheeliteCa(WO4)
AuGold
Auβ“˜ GoldAu

Other Regions, Features and Areas containing this locality

Australia
Australian 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

Rocks & Minerals (xxxx) 82: 402-407.
Rayner, E.O. (1938) Cobalt deposits of the Cloncurry district. Aerial geological and geophysical survey of Northern Australia Report. Queensland, 34.
Croxford, N.J.W. (1974) Cobalt mineralization at Mount Isa, Queensland, Australia, with references to Mount Cobalt. Mineralium Deposita, 9 (2) doi:10.1007/bf00207968
Smith, L.K., Han, K.N., Lawson, F. (1977) On the occurrence of smolyaninovite in the Mount Cobalt deposit, in north-western Queensland, Australia. Mineralogical Magazine: 41: 385-388.
Nisbet, Bruce W., Devlin, Stephen P., Joyce, Paul J. (1983) Geology and suggested genesis of cobalt-tungsten mineralization at Mt. Cobalt, northwestern Queensland. Proceedings - Australasian Institute of Mining and Metallurgy: 287: 9-17.
Day, B., Beyer, B., (1995) Some mines of the Mt Isa district, Queensland; the Mt Cobalt mine. Australian Journal of Mineralogy: 1(2): 17-23.
Day, B. (1998) Collecting in the Spinifex. UK Journal of Mines and Minerals 19, Rockbottom Publications. 24-27
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