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Magnet Mine, Magnet, Waratah district, Waratah-Wynyard municipality, Tasmania, Australia

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Latitude & Longitude (WGS84): 41° 25' 59'' South , 145° 25' 59'' East
Latitude & Longitude (decimal): -41.43333,145.43333
GeoHash:G#: r0xkm3m36
Locality type:Mine
Köppen climate type:Cfb : Temperate oceanic climate


The Magnet Mine, located at Magnet, a settlement that once existed 10km west of Waratah (30 km N of Dundas), was the largest silver-lead-zinc mine in the area, producing 27,000 tons of lead and 184 tons of silver from 1877 to 1940 (Haupt et al., 1995). The tailings were also reworked for 20-30,000 tons of zinc in the 1970’s.

The main siderite-dolomite-sulphide vein lies at the contact of a Cambrian mafic/ultramafic body called the Magnet Dyke (now mostly altered to an amphibolite), with Cambrian sedimentary host rocks (Groves and Solomon, 1964). The host rock near the lode contains relict chromite crystals in a matrix of chromian muscovite (fuchsite) and dolomite (Haupt et al., 1995). The primary lode is a strongly banded, breccia-style vein which comprises mostly sulphides and carbonates.

Although this crocoite-producing mine was discovered well before the Heazlewood mine, the mineral was not reported until after the find at the Heazlewood. Entangled masses of fine prismatic crocoite crystals to 5 cm and longer were found in the manganiferous gossan at Magnet. Small, loose, perfectly terminated crystals were less frequently found and in some vugs, it was associated with yellow cerussite or mimetite (colourless to yellow or red).

The gossan is still exposed in a small open-cut and the site is now a public fossicking reserve. Good specimens can still be found with some work, especially yellow and white cerussite.

Alternative Label Names

This is a list of additional names that have been recorded for mineral labels associated with this locality in the minID database. This may include previous versions of the locality name hierarchy from mindat.org, data entry errors, and it may also include unconfirmed sublocality names or other names that can only be matched to this level.

Magnet Mine, Magnet, Waratah district, Tasmania, Australia

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


28 valid minerals.

Detailed Mineral List:

Acanthite
Formula: Ag2S
Reference: Haupt, J., Bottrill, R.S., and Sorrell, S.P. 1995, The minerals of the Magnet Mine, Tasmania. Australian Journal of Mineralogy, Vol 1 No 1, 3-19.
Anglesite
Formula: PbSO4
Reference: Haupt, J., Bottrill, R.S., and Sorrell, S.P. 1995, The minerals of the Magnet Mine, Tasmania. Australian Journal of Mineralogy, Vol 1 No 1, 3-19.
Arsenopyrite
Formula: FeAsS
Reference: Bottrill & Baker (in prep) Catalogue of minerals of Tasmania
Boulangerite
Formula: Pb5Sb4S11
Reference: Bottrill & Baker (in prep) Catalogue of minerals of Tasmania
Cerussite
Formula: PbCO3
Reference: Anderson, C. (1905) Mineralogical Notes 2. Records of the Australian Museum pp83-97
Cerussite var: Chrome-Cerussite
Formula: PbCO3
Reference: Melchiorre, E. 2007 Aust. Jnl. Mineralogy
Chalcophanite
Formula: (Zn,Fe,Mn)Mn3O7 · 3H2O
Reference: [MinRec 19:383]
Chlorargyrite
Formula: AgCl
Reference: Haupt, J., Bottrill, R.S., and Sorrell, S.P. 1995, The minerals of the Magnet Mine, Tasmania. Australian Journal of Mineralogy, Vol 1 No 1, 3-19.
Chromite
Formula: Fe2+Cr3+2O4
Reference: Bottrill & Baker (in prep) Catalogue of minerals of Tasmania
Crocoite
Formula: PbCrO4
Reference: Dana 7:II:653.; Haupt, J., Bottrill, R.S., and Sorrell, S.P. 1995, The minerals of the Magnet Mine, Tasmania. Australian Journal of Mineralogy, Vol 1 No 1, 3-19.
Dolomite
Formula: CaMg(CO3)2
Reference: Bottrill & Baker (in prep) Catalogue of minerals of Tasmania
Galena
Formula: PbS
Reference: Bottrill & Baker (in prep) Catalogue of minerals of Tasmania
Greenockite
Formula: CdS
Reference: Steve Sorrell Collection
Gypsum
Formula: CaSO4 · 2H2O
Reference: Steve Sorrell Collection
Hawleyite
Formula: CdS
Reference: Steve Sorrell Collection
Hetaerolite
Formula: ZnMn2O4
Reference: Peter Elliot pers comm
Köttigite
Formula: Zn3(AsO4)2 · 8H2O
Description: Fe-rich
Reference: Haupt, J., Bottrill, R.S., and Sorrell, S.P. 1995, The minerals of the Magnet Mine, Tasmania. Australian Journal of Mineralogy, Vol 1 No 1, 3-19.
Lepidocrocite
Formula: γ-Fe3+O(OH)
Reference: Bottrill & Baker (in prep) Catalogue of minerals of Tasmania
Massicot
Formula: PbO
Reference: Dana 7:II:653.
Mimetite
Formula: Pb5(AsO4)3Cl
Reference: Haupt, J., Bottrill, R.S., and Sorrell, S.P. 1995, The minerals of the Magnet Mine, Tasmania. Australian Journal of Mineralogy, Vol 1 No 1, 3-19.
Mimetite var: Bellite
Formula: Pb5(AsO4,CrO4,SiO4)3Cl
Reference: Petterd, W.F. (1905) Report of the Secretary of Mines, Tasmania for 1904, p. 83.; Clark, A. (1993) Hey's Mineral Index, p. 65.
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Reference: Bottrill & Baker (in prep) Catalogue of minerals of Tasmania
Muscovite var: Fuchsite
Formula: K(Al,Cr)3Si3O10(OH)2
Reference: Bottrill & Baker (in prep) Catalogue of minerals of Tasmania
Phosgenite
Formula: Pb2CO3Cl2
Reference: [MinRec 19:383]
Proustite
Formula: Ag3AsS3
Reference: [MinRec 19:383]
Quartz
Formula: SiO2
Reference: Steve Sorrell Collection
Siderite
Formula: FeCO3
Reference: Bottrill & Baker (in prep) Catalogue of minerals of Tasmania
Silver
Formula: Ag
Reference: Haupt, J., Bottrill, R.S., and Sorrell, S.P. 1995, The minerals of the Magnet Mine, Tasmania. Australian Journal of Mineralogy, Vol 1 No 1, 3-19.
Sphalerite
Formula: ZnS
Reference: Bottrill & Baker (in prep) Catalogue of minerals of Tasmania
Symplesite
Formula: Fe2+3(AsO4)2 · 8H2O
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: 753; Ralph Bottrill EDS-analyses
Zinkenite ?
Formula: Pb9Sb22S42
Description: Silver-bearing variety. Probably boulangerite
Reference: Dana 7:I:477.

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Silver1.AA.05Ag
Group 2 - Sulphides and Sulfosalts
'Acanthite'2.BA.35Ag2S
'Arsenopyrite'2.EB.20FeAsS
Boulangerite2.HC.15Pb5Sb4S11
Galena2.CD.10PbS
Greenockite2.CB.45CdS
Hawleyite2.CB.05aCdS
Proustite2.GA.05Ag3AsS3
Sphalerite2.CB.05aZnS
Zinkenite ?2.JB.35aPb9Sb22S42
Group 3 - Halides
Chlorargyrite3.AA.15AgCl
Group 4 - Oxides and Hydroxides
Chalcophanite4.FL.20(Zn,Fe,Mn)Mn3O7 · 3H2O
Chromite4.BB.05Fe2+Cr3+2O4
Hetaerolite4.BB.10ZnMn2O4
Lepidocrocite4.FE.15γ-Fe3+O(OH)
Massicot4.AC.25PbO
Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Cerussite5.AB.15PbCO3
var: Chrome-Cerussite5.AB.15PbCO3
Dolomite5.AB.10CaMg(CO3)2
Phosgenite5.BE.20Pb2CO3Cl2
Siderite5.AB.05FeCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
'Anglesite'7.AD.35PbSO4
Crocoite7.FA.20PbCrO4
Gypsum7.CD.40CaSO4 · 2H2O
Group 8 - Phosphates, Arsenates and Vanadates
Köttigite8.CE.40Zn3(AsO4)2 · 8H2O
Mimetite8.BN.05Pb5(AsO4)3Cl
var: Bellite8.BN.05Pb5(AsO4,CrO4,SiO4)3Cl
Symplesite8.CE.45Fe2+3(AsO4)2 · 8H2O
Group 9 - Silicates
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
var: Fuchsite9.EC.15K(Al,Cr)3Si3O10(OH)2

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Metals, other than the Platinum Group
Silver1.1.1.2Ag
Group 2 - SULFIDES
AmBnXp, with (m+n):p = 2:1
Acanthite2.4.1.1Ag2S
AmXp, with m:p = 1:1
Galena2.8.1.1PbS
Greenockite2.8.7.2CdS
Hawleyite2.8.2.6CdS
Sphalerite2.8.2.1ZnS
AmBnXp, with (m+n):p = 1:2
Arsenopyrite2.12.4.1FeAsS
Group 3 - SULFOSALTS
ø = 3
Proustite3.4.1.1Ag3AsS3
2.5 < ø < 3
Boulangerite3.5.2.1Pb5Sb4S11
1 < ø < 2
Zinkenite ?3.8.1.1Pb9Sb22S42
Group 4 - SIMPLE OXIDES
AX
Massicot4.2.7.1PbO
Group 6 - HYDROXIDES AND OXIDES CONTAINING HYDROXYL
XO(OH)
Lepidocrocite6.1.2.2γ-Fe3+O(OH)
Group 7 - MULTIPLE OXIDES
AB2X4
Chromite7.2.3.3Fe2+Cr3+2O4
Hetaerolite7.2.7.2ZnMn2O4
AB3X7
Chalcophanite7.8.2.1(Zn,Fe,Mn)Mn3O7 · 3H2O
Group 9 - NORMAL HALIDES
AX
Chlorargyrite9.1.4.1AgCl
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Cerussite14.1.3.4PbCO3
Siderite14.1.1.3FeCO3
AB(XO3)2
Dolomite14.2.1.1CaMg(CO3)2
Group 16a - ANHYDROUS CARBONATES CONTAINING HYDROXYL OR HALOGEN
Phosgenite16a.3.4.1Pb2CO3Cl2
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
AXO4
Anglesite28.3.1.3PbSO4
Group 29 - HYDRATED ACID AND NORMAL SULFATES
AXO4·xH2O
Gypsum29.6.3.1CaSO4 · 2H2O
Group 35 - ANHYDROUS CHROMATES
AXO4
Crocoite35.3.1.1PbCrO4
Group 40 - HYDRATED NORMAL PHOSPHATES,ARSENATES AND VANADATES
A3(XO4)2·xH2O
Köttigite40.3.6.5Zn3(AsO4)2 · 8H2O
Symplesite40.3.8.1Fe2+3(AsO4)2 · 8H2O
Group 41 - ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
A5(XO4)3Zq
Mimetite41.8.4.2Pb5(AsO4)3Cl
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Muscovite71.2.2a.1KAl2(AlSi3O10)(OH)2
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Rocks, etc.
Cerussite
var: Chrome-Cerussite
-PbCO3
Mimetite
var: Bellite
-Pb5(AsO4,CrO4,SiO4)3Cl
Muscovite
var: Fuchsite
-K(Al,Cr)3Si3O10(OH)2

List of minerals for each chemical element

HHydrogen
H Chalcophanite(Zn,Fe,Mn)Mn3O7 · 3H2O
H Muscovite (var: Fuchsite)K(Al,Cr)3Si3O10(OH)2
H GypsumCaSO4 · 2H2O
H KöttigiteZn3(AsO4)2 · 8H2O
H Lepidocrociteγ-Fe3+O(OH)
H MuscoviteKAl2(AlSi3O10)(OH)2
H SymplesiteFe32+(AsO4)2 · 8H2O
CCarbon
C CerussitePbCO3
C Cerussite (var: Chrome-Cerussite)PbCO3
C DolomiteCaMg(CO3)2
C PhosgenitePb2CO3Cl2
C SideriteFeCO3
OOxygen
O AnglesitePbSO4
O Mimetite (var: Bellite)Pb5(AsO4,CrO4,SiO4)3Cl
O CerussitePbCO3
O Chalcophanite(Zn,Fe,Mn)Mn3O7 · 3H2O
O Cerussite (var: Chrome-Cerussite)PbCO3
O ChromiteFe2+Cr23+O4
O CrocoitePbCrO4
O DolomiteCaMg(CO3)2
O Muscovite (var: Fuchsite)K(Al,Cr)3Si3O10(OH)2
O GypsumCaSO4 · 2H2O
O HetaeroliteZnMn2O4
O KöttigiteZn3(AsO4)2 · 8H2O
O Lepidocrociteγ-Fe3+O(OH)
O MassicotPbO
O MimetitePb5(AsO4)3Cl
O MuscoviteKAl2(AlSi3O10)(OH)2
O PhosgenitePb2CO3Cl2
O QuartzSiO2
O SideriteFeCO3
O SymplesiteFe32+(AsO4)2 · 8H2O
MgMagnesium
Mg DolomiteCaMg(CO3)2
AlAluminium
Al Muscovite (var: Fuchsite)K(Al,Cr)3Si3O10(OH)2
Al MuscoviteKAl2(AlSi3O10)(OH)2
SiSilicon
Si Mimetite (var: Bellite)Pb5(AsO4,CrO4,SiO4)3Cl
Si Muscovite (var: Fuchsite)K(Al,Cr)3Si3O10(OH)2
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si QuartzSiO2
SSulfur
S AcanthiteAg2S
S AnglesitePbSO4
S ArsenopyriteFeAsS
S BoulangeritePb5Sb4S11
S GalenaPbS
S GreenockiteCdS
S GypsumCaSO4 · 2H2O
S HawleyiteCdS
S ProustiteAg3AsS3
S SphaleriteZnS
S ZinkenitePb9Sb22S42
ClChlorine
Cl Mimetite (var: Bellite)Pb5(AsO4,CrO4,SiO4)3Cl
Cl ChlorargyriteAgCl
Cl MimetitePb5(AsO4)3Cl
Cl PhosgenitePb2CO3Cl2
KPotassium
K Muscovite (var: Fuchsite)K(Al,Cr)3Si3O10(OH)2
K MuscoviteKAl2(AlSi3O10)(OH)2
CaCalcium
Ca DolomiteCaMg(CO3)2
Ca GypsumCaSO4 · 2H2O
CrChromium
Cr Mimetite (var: Bellite)Pb5(AsO4,CrO4,SiO4)3Cl
Cr ChromiteFe2+Cr23+O4
Cr CrocoitePbCrO4
Cr Muscovite (var: Fuchsite)K(Al,Cr)3Si3O10(OH)2
MnManganese
Mn Chalcophanite(Zn,Fe,Mn)Mn3O7 · 3H2O
Mn HetaeroliteZnMn2O4
FeIron
Fe ArsenopyriteFeAsS
Fe ChromiteFe2+Cr23+O4
Fe Lepidocrociteγ-Fe3+O(OH)
Fe SideriteFeCO3
Fe SymplesiteFe32+(AsO4)2 · 8H2O
ZnZinc
Zn Chalcophanite(Zn,Fe,Mn)Mn3O7 · 3H2O
Zn HetaeroliteZnMn2O4
Zn KöttigiteZn3(AsO4)2 · 8H2O
Zn SphaleriteZnS
AsArsenic
As ArsenopyriteFeAsS
As Mimetite (var: Bellite)Pb5(AsO4,CrO4,SiO4)3Cl
As KöttigiteZn3(AsO4)2 · 8H2O
As MimetitePb5(AsO4)3Cl
As ProustiteAg3AsS3
As SymplesiteFe32+(AsO4)2 · 8H2O
AgSilver
Ag AcanthiteAg2S
Ag ChlorargyriteAgCl
Ag ProustiteAg3AsS3
Ag SilverAg
CdCadmium
Cd GreenockiteCdS
Cd HawleyiteCdS
SbAntimony
Sb BoulangeritePb5Sb4S11
Sb ZinkenitePb9Sb22S42
PbLead
Pb AnglesitePbSO4
Pb Mimetite (var: Bellite)Pb5(AsO4,CrO4,SiO4)3Cl
Pb BoulangeritePb5Sb4S11
Pb CerussitePbCO3
Pb Cerussite (var: Chrome-Cerussite)PbCO3
Pb CrocoitePbCrO4
Pb GalenaPbS
Pb MassicotPbO
Pb MimetitePb5(AsO4)3Cl
Pb PhosgenitePb2CO3Cl2
Pb ZinkenitePb9Sb22S42

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org

Ordovician
443.8 - 485.4 Ma



ID: 3186041
Paleozoic sedimentary rocks

Age: Ordovician (443.8 - 485.4 Ma)

Lithology: Limestone,sandstone,slate,quartzite,conglomerate

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

Series 2 - Terreneuvian
509 - 541 Ma



ID: 707286
tholeiitic and boninitic lavas 37502

Age: Cambrian (509 - 541 Ma)

Description: Low-Ti tholeiitic and boninitic lavas.

Comments: igneous mafic volcanic; synthesis of multiple published descriptions

Lithology: Igneous mafic volcanic

Reference: Raymond, O.L., Liu, S., Gallagher, R., Zhang, W., Highet, L.M. Surface Geology of Australia 1:1 million scale dataset 2012 edition. Commonwealth of Australia (Geoscience Australia). [5]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Petterd, W.F. (1905) Report of the Secretary of Mines, Tasmania for 1904, p. 83.
Dana, E.S. and Ford, W.E. (1909) Dana 6: App. 2: 14.
Palache, C., Berman, H., and Frondel, C. (1944) The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, 7th. edition, Volume I: 477.
Groves, D.I. and Solomon, M. (1964) The geology of the Mt Bischoff district. Papers and Proceedings of the Royal Society of Tasmania, 98, 1-22.
Haupt, J., Bottrill, R.S., and Sorrell, S.P. (1995) The minerals of the Magnet Mine, Tasmania. Australian Journal of Mineralogy, 1(1), 3-19.


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