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West Comet Mine, Dundas mineral field, Zeehan district, West Coast municipality, Tasmania, Australiai
Regional Level Types
West Comet MineMine
Dundas mineral field- not defined -
Zeehan districtDistrict
West Coast municipalityMunicipality
TasmaniaState
AustraliaCountry

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Key
Latitude & Longitude (WGS84):
41° 52' 31'' South , 145° 26' 5'' East
Latitude & Longitude (decimal):
Locality type:
Köppen climate type:
Nearest Settlements:
PlacePopulationDistance
Zeehan845 (2012)8.2km
Rosebery1,035 (2012)13.7km
Tullah196 (2014)22.3km
Queenstown2,352 (2012)24.9km
Gormanston169 (2014)25.9km


Other than the Comet-Maestri, the West Comet mine (1890-1910) produced more silver and lead than any other mine in the Dundas field. The workings, ~2 km east of Dundas, were formerly part of the Mt Dundas mine (on the Dundas Prospecting Association lease) and/or the Central Dundas mine, but in 1896 the two companies amalgamated to form the West Comet mine. Rod Williams worked the mine for crocoite during the 1970's and presently John Bishop is doing some mining there.

Other than the Comet-Maestri, the West Comet mine (1890-1910) produced more silver and lead than any other mine in the Dundas field. The workings, about 2 km east of Dundas, were formerly part of the Mt Dundas mine (on the Dundas Prospecting Association lease) and/or the Central Dundas mine, but in 1896 the two companies amalgamated to form the West Comet mine. Rod Williams worked the mine for crocoite during the 1970s. John Bishop presently operates the mine intermittently for specimens, and a few good crocoite, cerussite and mimetite specimens have been recovered recently.
The main lode was 16-22 m in width, striking NNW, dipping 45o W, and over 180 m in length and appears to be a northerly continuation of a lode cutting the Adelaide mine and Anderson’s Prospect. It lies on a faulted contact between serpentinite and Cambrian sedimentary rocks.
Crocoite was the main secondary mineral in the gossan, while rich shoots of chlorargyrite and galena occurred in the lode. By 1903, only the richest ore (galena) was marketable and subsequently this mine was operated for flux for the Zeehan smelters. Other minerals reported from the mine by Petterd (1910) include anglesite, ankerite, atacamite (unconfirmed), bindheimite, cerussite, cervantite (unconfirmed), hinsdalite and chalcophanite. Mimetite was recorded by Andersen (unpublished). Petterd (1910) reported crocoite from the mine to be “the most important find of all, both in regards to quantity and quality…it was obtained in the greatest profusion, many of the enormous crystals reaching the unparalleled length of 10 to 12 cm, with perfect terminations… extremely brilliant, of an intense scarlet colour and translucent to transparent”. Crocoite also occurs as small needles sprinkled on attractive blocky yellow cerussite crystals (Fig. 31). Specimens from this mine are now rare, but some private collections contain very good, unusually lustrous, deep red jackstraw aggregates, similar to those of the Adelaide mine.

Select Mineral List Type

Standard Detailed Gallery Strunz Dana Chemical Elements

Mineral List


13 valid minerals.

Detailed Mineral List:

Anglesite
Formula: PbSO4
Reference: Bottrill, R.S., Williams, P.A., Dohnt, S., Sorrell, S., Kemp, N.R. (2006) Crocoite and associated minerals from Tasmania. Australian Journal of Mineralogy, 12(2), 59-90.
Ankerite
Formula: Ca(Fe2+,Mg)(CO3)2
Reference: Bottrill, R.S., Williams, P.A., Dohnt, S., Sorrell, S., Kemp, N.R. (2006) Crocoite and associated minerals from Tasmania. Australian Journal of Mineralogy, 12(2), 59-90.
Atacamite
Formula: Cu2(OH)3Cl
Reference: Bottrill et al., in prep
'Bindheimite'
Formula: Pb2Sb2O6O
Reference: Bottrill et al., in prep
Cerussite
Formula: PbCO3
Reference: Bottrill, R.S., Williams, P.A., Dohnt, S., Sorrell, S., Kemp, N.R. (2006) Crocoite and associated minerals from Tasmania. Australian Journal of Mineralogy, 12(2), 59-90.
Cerussite var. Chrome-Cerussite
Formula: PbCO3
Reference: Australian Journal of Mineralogy (2006) 12: 93-99
Cervantite
Formula: Sb3+Sb5+O4
Reference: Bottrill et al., in prep
Chlorargyrite
Formula: AgCl
Reference: Bottrill et al., in prep
Chromite
Formula: Fe2+Cr3+2O4
Reference: R Bottrill, unpub data
Crocoite
Formula: PbCr6+O4
Reference: Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 648; Bottrill et al., in prep
Dundasite
Formula: PbAl2(CO3)2(OH)4 · H2O
Reference: Peter Andersen collection
Galena
Formula: PbS
Reference: Bottrill et al., in prep
Goethite
Formula: α-Fe3+O(OH)
Reference: Bottrill, R.S., Williams, P.A., Dohnt, S., Sorrell, S., Kemp, N.R. (2006) Crocoite and associated minerals from Tasmania. Australian Journal of Mineralogy, 12(2), 59-90.
Mimetite
Formula: Pb5(AsO4)3Cl
Reference: Bottrill, R.S., Williams, P.A., Dohnt, S., Sorrell, S., Kemp, N.R. (2006) Crocoite and associated minerals from Tasmania. Australian Journal of Mineralogy, 12(2), 59-90.
'Serpentine Subgroup'
Formula: D3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
Reference: Bottrill, R.S., Baker, W.E. (2008) A Catalogue of the Minerals of Tasmania. Geological Survey Tasmania Bulletin 73, 254 pages.
'Stetefeldtite' ?
Formula: Ag2Sb2(O,OH)7
Reference: Bill Birch unpub data
Stichtite
Formula: Mg6Cr3+2(OH)16[CO3] · 4H2O
Reference: Bottrill, R.S., Baker, W.E. (2008) A Catalogue of the Minerals of Tasmania. Geological Survey Tasmania Bulletin 73, 254 pages.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Galena2.CD.10PbS
Group 3 - Halides
Atacamite3.DA.10aCu2(OH)3Cl
Chlorargyrite3.AA.15AgCl
Group 4 - Oxides and Hydroxides
'Bindheimite'4.DH.20Pb2Sb2O6O
Cervantite4.DE.30Sb3+Sb5+O4
Chromite4.BB.05Fe2+Cr3+2O4
Goethite4.00.α-Fe3+O(OH)
'Stetefeldtite' ?4.DH.20Ag2Sb2(O,OH)7
Group 5 - Nitrates and Carbonates
Ankerite5.AB.10Ca(Fe2+,Mg)(CO3)2
Cerussite5.AB.15PbCO3
var. Chrome-Cerussite5.AB.15PbCO3
Dundasite5.DB.10PbAl2(CO3)2(OH)4 · H2O
Stichtite5.DA.50Mg6Cr3+2(OH)16[CO3] · 4H2O
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Anglesite7.AD.35PbSO4
Crocoite7.FA.20PbCr6+O4
Group 8 - Phosphates, Arsenates and Vanadates
Mimetite8.BN.05Pb5(AsO4)3Cl
Unclassified Minerals, Rocks, etc.
'Serpentine Subgroup'-D3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmXp, with m:p = 1:1
Galena2.8.1.1PbS
Group 4 - SIMPLE OXIDES
AX2
Cervantite4.4.16.1Sb3+Sb5+O4
Group 6 - HYDROXIDES AND OXIDES CONTAINING HYDROXYL
XO(OH)
Goethite6.1.1.2α-Fe3+O(OH)
Group 7 - MULTIPLE OXIDES
AB2X4
Chromite7.2.3.3Fe2+Cr3+2O4
Group 9 - NORMAL HALIDES
AX
Chlorargyrite9.1.4.1AgCl
Group 10 - OXYHALIDES AND HYDROXYHALIDES
A2(O,OH)3Xq
Atacamite10.1.1.1Cu2(OH)3Cl
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Cerussite14.1.3.4PbCO3
AB(XO3)2
Ankerite14.2.1.2Ca(Fe2+,Mg)(CO3)2
Group 16b - HYDRATED CARBONATES CONTAINING HYDROXYL OR HALOGEN
Dundasite16b.2.1.1PbAl2(CO3)2(OH)4 · H2O
Stichtite16b.6.2.2Mg6Cr3+2(OH)16[CO3] · 4H2O
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
AXO4
Anglesite28.3.1.3PbSO4
Group 35 - ANHYDROUS CHROMATES
AXO4
Crocoite35.3.1.1PbCr6+O4
Group 41 - ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
A5(XO4)3Zq
Mimetite41.8.4.2Pb5(AsO4)3Cl
Group 44 - ANTIMONATES
A2X2O6(O,OH,F)
'Bindheimite'44.1.1.2Pb2Sb2O6O
'Stetefeldtite' ?44.1.1.5Ag2Sb2(O,OH)7
Unclassified Minerals, Mixtures, etc.
Cerussite
var. Chrome-Cerussite
-PbCO3
'Serpentine Subgroup'-D3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn

List of minerals for each chemical element

HHydrogen
H AtacamiteCu2(OH)3Cl
H StichtiteMg6Cr23+(OH)16[CO3] · 4H2O
H Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
H DundasitePbAl2(CO3)2(OH)4 · H2O
H Goethiteα-Fe3+O(OH)
H StetefeldtiteAg2Sb2(O,OH)7
CCarbon
C CerussitePbCO3
C AnkeriteCa(Fe2+,Mg)(CO3)2
C Cerussite var. Chrome-CerussitePbCO3
C StichtiteMg6Cr23+(OH)16[CO3] · 4H2O
C DundasitePbAl2(CO3)2(OH)4 · H2O
OOxygen
O CerussitePbCO3
O AnglesitePbSO4
O BindheimitePb2Sb2O6O
O CervantiteSb3+Sb5+O4
O AnkeriteCa(Fe2+,Mg)(CO3)2
O AtacamiteCu2(OH)3Cl
O Cerussite var. Chrome-CerussitePbCO3
O CrocoitePbCr6+O4
O MimetitePb5(AsO4)3Cl
O StichtiteMg6Cr23+(OH)16[CO3] · 4H2O
O Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
O DundasitePbAl2(CO3)2(OH)4 · H2O
O Goethiteα-Fe3+O(OH)
O ChromiteFe2+Cr23+O4
O StetefeldtiteAg2Sb2(O,OH)7
MgMagnesium
Mg AnkeriteCa(Fe2+,Mg)(CO3)2
Mg StichtiteMg6Cr23+(OH)16[CO3] · 4H2O
Mg Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
AlAluminium
Al Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
Al DundasitePbAl2(CO3)2(OH)4 · H2O
SiSilicon
Si Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
SSulfur
S AnglesitePbSO4
S GalenaPbS
ClChlorine
Cl AtacamiteCu2(OH)3Cl
Cl MimetitePb5(AsO4)3Cl
Cl ChlorargyriteAgCl
CaCalcium
Ca AnkeriteCa(Fe2+,Mg)(CO3)2
CrChromium
Cr CrocoitePbCr6+O4
Cr StichtiteMg6Cr23+(OH)16[CO3] · 4H2O
Cr ChromiteFe2+Cr23+O4
MnManganese
Mn Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
FeIron
Fe AnkeriteCa(Fe2+,Mg)(CO3)2
Fe Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
Fe Goethiteα-Fe3+O(OH)
Fe ChromiteFe2+Cr23+O4
NiNickel
Ni Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
CuCopper
Cu AtacamiteCu2(OH)3Cl
ZnZinc
Zn Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
AsArsenic
As MimetitePb5(AsO4)3Cl
AgSilver
Ag ChlorargyriteAgCl
Ag StetefeldtiteAg2Sb2(O,OH)7
SbAntimony
Sb BindheimitePb2Sb2O6O
Sb CervantiteSb3+Sb5+O4
Sb StetefeldtiteAg2Sb2(O,OH)7
PbLead
Pb CerussitePbCO3
Pb AnglesitePbSO4
Pb BindheimitePb2Sb2O6O
Pb Cerussite var. Chrome-CerussitePbCO3
Pb CrocoitePbCr6+O4
Pb MimetitePb5(AsO4)3Cl
Pb DundasitePbAl2(CO3)2(OH)4 · H2O
Pb GalenaPbS

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Bottrill, R.S., Williams, P., Dohnt, S., Sorrell, S. and Kemp, N.R. (2006). Crocoite and associated minerals from Dundas and other locations in Tasmania. Australian Journal of Mineralogy. 12, 59-90
Petterd, W.F., 1910: The Minerals of Tasmania. Papers and Proceedings of the Royal Society of Tasmania for 1910, 1-221. [also published as: Petterd, W.F. 1910, Catalogue of the Minerals of Tasmania. Geological Survey of Tasmania Records. 9.

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