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Milgun Variscite Mine (Mount Deverell), Milgun Station, Meekatharra Shire, Western Australia, Australiai
Regional Level Types
Milgun Variscite Mine (Mount Deverell)Mine
Milgun Station- not defined -
Meekatharra ShireShire
Western AustraliaState
AustraliaCountry

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Latitude & Longitude (WGS84):
24° 59' 27'' South , 118° 12' 10'' East
Latitude & Longitude (decimal):
Locality type:
Köppen climate type:


A variscite deposit in semi-desert,15 km NW of Milgun Station homestead.

The mine is on the western side of Mt Deverell near the usually dry Gascoyne River, 180 kilometres north north-west of Meekatharra. Along with Mount Deverall East, they have been the main sites of variscite production in Western Australia. Between 1985 to 2005 they produced 850t of variscite.

The variscite occurs as narrow (up to 100mm wide) fault controlled veins near the surface. It is hosted in interbedded mudstone and shale of the Kiangi Creek Formation.

The variscite is bright green, fine grained and generally rimmed with fine grained white material, generally sold as foggite, although testing one such sample indicated mostly wardite with no trace of foggite. Another white sample was mostly crandallite. But foggite has been found as grey cryptocrystalline material on some samples. Other uncommon phosphate species can be found with the variscite, along with quartz veining.

Collinsite occurs as multi-faced tapering prisms, mammillated aggregates and thin veinlets in cavities in mudstone. It also occurs as flattened fibrous aggregates to 2cm in the mudstone bedding. It was the fourth known discovery of the species at the time. Various phosphate species listed on Mindat are named without description in the reference.

When I recently (2012) talked to the specimen miner, he advised me the variscite veins were followed into the side of the hill until a fault was reached. He believes variscite possibly exists on the other side of the fault but the material which would need to be shifted would make it unprofitable. He hopes the veins continue on the opposite side of the Gascoyne River, which he intends to search.

Regions containing this locality

Australian Plate (Australia Plate)Tectonic Plate
West Australian Element, Western Australia, AustraliaCraton
Warakurna Large Igneous Province, Western Australia, AustraliaGeologic Province
Edmund Basin, Western Australia, AustraliaBasin

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


33 valid minerals. 1 erroneous literature entry.

Rock Types Recorded

Note: this is a very new system on mindat.org and 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:

Akrochordite
Formula: (Mn2+,Mg)5(AsO4)2(OH)4 · 4H2O
Reference: Peter Downes, WA Museum
Alunite
Formula: KAl3(SO4)2(OH)6
Reference: Mineralogical Magazine 39,577-579(1974); ; Peter Downes, Benjamin Grguric, Margot Willing, Geoff Deacon, Michael Verrall (2018) Variscite and associated phosphate minerals from the Mt Deverell variscite deposits, Milgun Station, Gascoyne region, Western Australia. in abstracts of the 22nd IMA Meeting Melbourne p 319
'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
Reference: Peter Downes, Benjamin Grguric, Margot Willing, Geoff Deacon, Michael Verrall (2018) Variscite and associated phosphate minerals from the Mt Deverell variscite deposits, Milgun Station, Gascoyne region, Western Australia. in abstracts of the 22nd IMA Meeting Melbourne p 319
Aragonite
Formula: CaCO3
Reference: Peter Downes, WA Museum
Berlinite
Formula: AlPO4
Reference: Peter Downes, WA Museum
Brushite
Formula: Ca(HPO4) · 2H2O
Reference: R Bottrill, unpub. data;
Collinsite
Formula: Ca2Mg(PO4)2 · 2H2O
Reference: Mineralogical Magazine 39,577-579(1974); ; Peter Downes, Benjamin Grguric, Margot Willing, Geoff Deacon, Michael Verrall (2018) Variscite and associated phosphate minerals from the Mt Deverell variscite deposits, Milgun Station, Gascoyne region, Western Australia. in abstracts of the 22nd IMA Meeting Melbourne p 319
Crandallite
Formula: CaAl3(PO4)(PO3OH)(OH)6
Reference: Mineralogical Magazine 39,577-579(1974); ; Peter Downes, Benjamin Grguric, Margot Willing, Geoff Deacon, Michael Verrall (2018) Variscite and associated phosphate minerals from the Mt Deverell variscite deposits, Milgun Station, Gascoyne region, Western Australia. in abstracts of the 22nd IMA Meeting Melbourne p 319
Cyrilovite
Formula: NaFe3+3(PO4)2(OH)4 · 2H2O
Reference: Peter Downes, WA Museum
Dolomite
Formula: CaMg(CO3)2
Reference: Peter Downes, Benjamin Grguric, Margot Willing, Geoff Deacon, Michael Verrall (2018) Variscite and associated phosphate minerals from the Mt Deverell variscite deposits, Milgun Station, Gascoyne region, Western Australia. in abstracts of the 22nd IMA Meeting Melbourne p 319
Dufrénite
Formula: Ca0.5Fe2+Fe3+5(PO4)4(OH)6 · 2H2O
Reference: Peter Downes, WA Museum
Foggite ?
Formula: CaAl(PO4)(OH)2 · H2O
Habit: massive, usually as rim around variscite
Colour: white
Reference: Western Australia Museum specimens; KAROV, C., & DIMITROV, I. (2006). A catalogue of the mineral species in the National Museum of Natural History, Sofia (Part 3): Borates; Phosphates, Arsenates and Vanadates; Wolframates and Molybdates; Sulphates, Selenites and Tellurites; Chromates; Carbonates; Nitrates and Iodates; Organic minerals. Hist. nat. bulg, 17, 5-26.; Peter Downes, Benjamin Grguric, Margot Willing, Geoff Deacon, Michael Verrall (2018) Variscite and associated phosphate minerals from the Mt Deverell variscite deposits, Milgun Station, Gascoyne region, Western Australia. in abstracts of the 22nd IMA Meeting Melbourne p 319
Goethite
Formula: α-Fe3+O(OH)
Reference: Peter Downes, WA Museum
Gordonite
Formula: MgAl2(PO4)2(OH)2 · 8H2O
Reference: Mineralogical Magazine 39,577-579(1974); ; Peter Downes, Benjamin Grguric, Margot Willing, Geoff Deacon, Michael Verrall (2018) Variscite and associated phosphate minerals from the Mt Deverell variscite deposits, Milgun Station, Gascoyne region, Western Australia. in abstracts of the 22nd IMA Meeting Melbourne p 319
Goyazite
Formula: SrAl3(PO4)(PO3OH)(OH)6
Reference: Peter Downes, WA Museum
Gypsum
Formula: CaSO4 · 2H2O
Reference: Mineralogical Magazine 39,577-579(1974); Peter Downes, Benjamin Grguric, Margot Willing, Geoff Deacon, Michael Verrall (2018) Variscite and associated phosphate minerals from the Mt Deverell variscite deposits, Milgun Station, Gascoyne region, Western Australia. in abstracts of the 22nd IMA Meeting Melbourne p 319
Hydroxylapatite
Formula: Ca5(PO4)3(OH)
Reference: Mineralogical Magazine 39,577-579(1974); ; Peter Downes, Benjamin Grguric, Margot Willing, Geoff Deacon, Michael Verrall (2018) Variscite and associated phosphate minerals from the Mt Deverell variscite deposits, Milgun Station, Gascoyne region, Western Australia. in abstracts of the 22nd IMA Meeting Melbourne p 319
'Jahnsite Group'
Formula: XM1M22M32(H2O)8(OH)2(PO4)4
Reference: Peter Downes, WA Museum; Peter Downes, Benjamin Grguric, Margot Willing, Geoff Deacon, Michael Verrall (2018) Variscite and associated phosphate minerals from the Mt Deverell variscite deposits, Milgun Station, Gascoyne region, Western Australia. in abstracts of the 22nd IMA Meeting Melbourne p 319
'Jahnsite Subgroup'
Formula: XM1M22M32(H2O)8(OH)2(PO4)4
Reference: Peter Downes, Benjamin Grguric, Margot Willing, Geoff Deacon, Michael Verrall (2018) Variscite and associated phosphate minerals from the Mt Deverell variscite deposits, Milgun Station, Gascoyne region, Western Australia. in abstracts of the 22nd IMA Meeting Melbourne p 319
Jarosite
Formula: KFe3+ 3(SO4)2(OH)6
Reference: Peter Downes, WA Museum; Peter Downes, Benjamin Grguric, Margot Willing, Geoff Deacon, Michael Verrall (2018) Variscite and associated phosphate minerals from the Mt Deverell variscite deposits, Milgun Station, Gascoyne region, Western Australia. in abstracts of the 22nd IMA Meeting Melbourne p 319
Kaolinite
Formula: Al2(Si2O5)(OH)4
Reference: Peter Downes, WA Museum
Leucophosphite
Formula: KFe3+2(PO4)2(OH) · 2H2O
Reference: Mineralogical Magazine 39,577-579(1974); ; Peter Downes, Benjamin Grguric, Margot Willing, Geoff Deacon, Michael Verrall (2018) Variscite and associated phosphate minerals from the Mt Deverell variscite deposits, Milgun Station, Gascoyne region, Western Australia. in abstracts of the 22nd IMA Meeting Melbourne p 319
Metavariscite
Formula: AlPO4 · 2H2O
Reference: Peter Downes, Benjamin Grguric, Margot Willing, Geoff Deacon, Michael Verrall (2018) Variscite and associated phosphate minerals from the Mt Deverell variscite deposits, Milgun Station, Gascoyne region, Western Australia. in abstracts of the 22nd IMA Meeting Melbourne p 319
Mitridatite
Formula: Ca2Fe3+3(PO4)3O2 · 3H2O
Reference: Bridge. P.J. and M.W. Pryce (1974): Magnesian Collinsite from Milgun Station, Western Australia. Mineralogical Magazine (1974):39: 577-579. ; Peter Downes, Benjamin Grguric, Margot Willing, Geoff Deacon, Michael Verrall (2018) Variscite and associated phosphate minerals from the Mt Deverell variscite deposits, Milgun Station, Gascoyne region, Western Australia. in abstracts of the 22nd IMA Meeting Melbourne p 319
Montgomeryite
Formula: Ca4MgAl4(PO4)6(OH)4 · 12H2O
Reference: Mineralogical Magazine 39,577-579(1974); ; Peter Downes, Benjamin Grguric, Margot Willing, Geoff Deacon, Michael Verrall (2018) Variscite and associated phosphate minerals from the Mt Deverell variscite deposits, Milgun Station, Gascoyne region, Western Australia. in abstracts of the 22nd IMA Meeting Melbourne p 319
Natroalunite
Formula: NaAl3(SO4)2(OH)6
Reference: Peter Downes, WA Museum
Natrojarosite
Formula: NaFe3(SO4)2(OH)6
Colour: light orange
Reference: Australian Gem and Treasure Hunter 56, 44(1981) [as jarosite]; ; Peter Downes, Benjamin Grguric, Margot Willing, Geoff Deacon, Michael Verrall (2018) Variscite and associated phosphate minerals from the Mt Deverell variscite deposits, Milgun Station, Gascoyne region, Western Australia. in abstracts of the 22nd IMA Meeting Melbourne p 319
Opal
Formula: SiO2 · nH2O
Reference: Peter Downes, WA Museum
Overite
Formula: CaMgAl(PO4)2(OH) · 4H2O
Description: Mentioned in the reference, no method of determination given. Later sold (and confirmed) as segelerite.
Reference: Mineralogical Magazine 39, 577(1974);
Pyrite
Formula: FeS2
Reference: Peter Downes, Benjamin Grguric, Margot Willing, Geoff Deacon, Michael Verrall (2018) Variscite and associated phosphate minerals from the Mt Deverell variscite deposits, Milgun Station, Gascoyne region, Western Australia. in abstracts of the 22nd IMA Meeting Melbourne p 319
Quartz
Formula: SiO2
Reference: Peter Downes, WA Museum; Peter Downes, Benjamin Grguric, Margot Willing, Geoff Deacon, Michael Verrall (2018) Variscite and associated phosphate minerals from the Mt Deverell variscite deposits, Milgun Station, Gascoyne region, Western Australia. in abstracts of the 22nd IMA Meeting Melbourne p 319
Rockbridgeite
Formula: Fe2+Fe3+4(PO4)3(OH)5
Reference: Peter Downes, WA Museum; Peter Downes, Benjamin Grguric, Margot Willing, Geoff Deacon, Michael Verrall (2018) Variscite and associated phosphate minerals from the Mt Deverell variscite deposits, Milgun Station, Gascoyne region, Western Australia. in abstracts of the 22nd IMA Meeting Melbourne p 319
Segelerite
Formula: Ca2 Mg2 Fe3+2(PO4)4(OH)2 · 8H2O
Description: listed in reference as overite. ID'd as segelerite by Curt Segeler (1975?)
Reference: Mineralogical Magazine 39,577-579(1974);
Selenium
Formula: Se
Reference: Peter Downes, Benjamin Grguric, Margot Willing, Geoff Deacon, Michael Verrall (2018) Variscite and associated phosphate minerals from the Mt Deverell variscite deposits, Milgun Station, Gascoyne region, Western Australia. in abstracts of the 22nd IMA Meeting Melbourne p 319
Turquoise
Formula: Cu(Al,Fe3+)6(PO4)4(OH)8 · 4H2O
Reference: Mineralogical Magazine 39,577-579(1974); ; Peter Downes, Benjamin Grguric, Margot Willing, Geoff Deacon, Michael Verrall (2018) Variscite and associated phosphate minerals from the Mt Deverell variscite deposits, Milgun Station, Gascoyne region, Western Australia. in abstracts of the 22nd IMA Meeting Melbourne p 319
Variscite
Formula: AlPO4 · 2H2O
Colour: green
Description: veins to 12 cm wide
Reference: Mineralogical Magazine 39,577-579(1974); ; Peter Downes, Benjamin Grguric, Margot Willing, Geoff Deacon, Michael Verrall (2018) Variscite and associated phosphate minerals from the Mt Deverell variscite deposits, Milgun Station, Gascoyne region, Western Australia. in abstracts of the 22nd IMA Meeting Melbourne p 319
Wardite
Formula: NaAl3(PO4)2(OH)4 · 2H2O
Reference: R Bottrill unpub XRD; Frost, Ray L. & Xi, Yunfei (2012) A vibrational spectroscopic study of the phosphate mineral Wardite NaAl3(PO4)2(OH)4•2(H2O). Spectrochimica Acta Part A : Molecular and Biomolecular Spectroscopy, 93, pp. 155-163.; Peter Downes, Benjamin Grguric, Margot Willing, Geoff Deacon, Michael Verrall (2018) Variscite and associated phosphate minerals from the Mt Deverell variscite deposits, Milgun Station, Gascoyne region, Western Australia. in abstracts of the 22nd IMA Meeting Melbourne p 319
'Whiteite Subgroup'
Formula: XM1M22M32(H2O)8(OH)2(PO4)4
Reference: R Bottrill, unpub. data;

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Selenium1.CC.10Se
Group 2 - Sulphides and Sulfosalts
Pyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
Goethite4.00.α-Fe3+O(OH)
Opal4.DA.10SiO2 · nH2O
Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Aragonite5.AB.15CaCO3
Dolomite5.AB.10CaMg(CO3)2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Alunite7.BC.10KAl3(SO4)2(OH)6
Gypsum7.CD.40CaSO4 · 2H2O
Jarosite7.BC.10KFe3+ 3(SO4)2(OH)6
Natroalunite7.BC.10NaAl3(SO4)2(OH)6
Natrojarosite7.BC.10NaFe3(SO4)2(OH)6
Group 8 - Phosphates, Arsenates and Vanadates
Akrochordite8.DD.10(Mn2+,Mg)5(AsO4)2(OH)4 · 4H2O
Berlinite8.AA.05AlPO4
Brushite8.CJ.50Ca(HPO4) · 2H2O
Collinsite8.CG.05Ca2Mg(PO4)2 · 2H2O
Crandallite8.BL.10CaAl3(PO4)(PO3OH)(OH)6
Cyrilovite8.DL.10NaFe3+3(PO4)2(OH)4 · 2H2O
Dufrénite8.DK.15Ca0.5Fe2+Fe3+5(PO4)4(OH)6 · 2H2O
Foggite ?8.DL.05CaAl(PO4)(OH)2 · H2O
Gordonite8.DC.30MgAl2(PO4)2(OH)2 · 8H2O
Goyazite8.BL.10SrAl3(PO4)(PO3OH)(OH)6
Hydroxylapatite8.BN.05Ca5(PO4)3(OH)
Leucophosphite8.DH.10KFe3+2(PO4)2(OH) · 2H2O
Metavariscite8.CD.05AlPO4 · 2H2O
Mitridatite8.DH.30Ca2Fe3+3(PO4)3O2 · 3H2O
Montgomeryite8.DH.25Ca4MgAl4(PO4)6(OH)4 · 12H2O
Overite ?8.DH.20CaMgAl(PO4)2(OH) · 4H2O
Rockbridgeite8.BC.10Fe2+Fe3+4(PO4)3(OH)5
Segelerite8.DH.20Ca2 Mg2 Fe3+2(PO4)4(OH)2 · 8H2O
Turquoise8.DD.15Cu(Al,Fe3+)6(PO4)4(OH)8 · 4H2O
Variscite8.CD.10AlPO4 · 2H2O
Wardite8.DL.10NaAl3(PO4)2(OH)4 · 2H2O
Group 9 - Silicates
Kaolinite9.ED.05Al2(Si2O5)(OH)4
Unclassified Minerals, Rocks, etc.
'Apatite'-Ca5(PO4)3(Cl/F/OH)
'Jahnsite Group'-XM1M22M32(H2O)8(OH)2(PO4)4
'Jahnsite Subgroup'-XM1M22M32(H2O)8(OH)2(PO4)4
'Whiteite Subgroup'-XM1M22M32(H2O)8(OH)2(PO4)4

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Semi-metals and non-metals
Selenium1.3.4.1Se
Group 2 - SULFIDES
AmBnXp, with (m+n):p = 1:2
Pyrite2.12.1.1FeS2
Group 6 - HYDROXIDES AND OXIDES CONTAINING HYDROXYL
XO(OH)
Goethite6.1.1.2α-Fe3+O(OH)
Group 14 - ANHYDROUS NORMAL CARBONATES
AB(XO3)2
Dolomite14.2.1.1CaMg(CO3)2
Group 29 - HYDRATED ACID AND NORMAL SULFATES
AXO4·xH2O
Gypsum29.6.3.1CaSO4 · 2H2O
Group 30 - ANHYDROUS SULFATES CONTAINING HYDROXYL OR HALOGEN
(AB)2(XO4)Zq
Alunite30.2.4.1KAl3(SO4)2(OH)6
Jarosite30.2.5.1KFe3+ 3(SO4)2(OH)6
Group 38 - ANHYDROUS NORMAL PHOSPHATES, ARSENATES, AND VANADATES
AXO4
Berlinite38.4.2.1AlPO4
Group 39 - HYDRATED ACID PHOSPHATES,ARSENATES AND VANADATES
A[HXO4]·xH2O
Brushite39.1.1.1Ca(HPO4) · 2H2O
Group 40 - HYDRATED NORMAL PHOSPHATES,ARSENATES AND VANADATES
AB2(XO4)2·xH2O
Collinsite40.2.2.3Ca2Mg(PO4)2 · 2H2O
(AB)5(XO4)2·xH2O
Metavariscite40.4.3.1AlPO4 · 2H2O
Variscite40.4.1.1AlPO4 · 2H2O
Group 41 - ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
A5(XO4)3Zq
Hydroxylapatite41.8.1.3Ca5(PO4)3(OH)
(AB)5(XO4)3Zq
Rockbridgeite41.9.2.1Fe2+Fe3+4(PO4)3(OH)5
Group 42 - HYDRATED PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
(AB)5(XO4)2Zq·xH2O
Akrochordite42.4.1.1(Mn2+,Mg)5(AsO4)2(OH)4 · 4H2O
(AB)2(XO4)Zq·xH2O
Crandallite42.7.3.1CaAl3(PO4)(PO3OH)(OH)6
Cyrilovite42.7.8.1NaFe3+3(PO4)2(OH)4 · 2H2O
Foggite ?42.7.2.1CaAl(PO4)(OH)2 · H2O
Goyazite42.7.3.3SrAl3(PO4)(PO3OH)(OH)6
Wardite42.7.8.2NaAl3(PO4)2(OH)4 · 2H2O
(AB)5(XO4)3Zq·xH2O
Mitridatite42.8.4.1Ca2Fe3+3(PO4)3O2 · 3H2O
(AB)7(XO4)4Zq·xH2O
Dufrénite42.9.1.2Ca0.5Fe2+Fe3+5(PO4)4(OH)6 · 2H2O
Turquoise42.9.3.1Cu(Al,Fe3+)6(PO4)4(OH)8 · 4H2O
(AB)3(XO4)2Zq·xH2O
Gordonite42.11.14.4MgAl2(PO4)2(OH)2 · 8H2O
Leucophosphite42.11.6.1KFe3+2(PO4)2(OH) · 2H2O
Montgomeryite42.11.8.1Ca4MgAl4(PO4)6(OH)4 · 12H2O
Overite ?42.11.1.1CaMgAl(PO4)2(OH) · 4H2O
Segelerite42.11.1.2Ca2 Mg2 Fe3+2(PO4)4(OH)2 · 8H2O
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Si Tetrahedral Frameworks - SiO2 with H2O and organics
Opal75.2.1.1SiO2 · nH2O
Unclassified Minerals, Mixtures, etc.
'Apatite'-Ca5(PO4)3(Cl/F/OH)
Aragonite-CaCO3
'Jahnsite Group'-XM1M22M32(H2O)8(OH)2(PO4)4
'Jahnsite Subgroup'-XM1M22M32(H2O)8(OH)2(PO4)4
Kaolinite-Al2(Si2O5)(OH)4
Natroalunite-NaAl3(SO4)2(OH)6
Natrojarosite-NaFe3(SO4)2(OH)6
'Whiteite Subgroup'-XM1M22M32(H2O)8(OH)2(PO4)4

List of minerals for each chemical element

HHydrogen
H SegeleriteCa2 Mg2 Fe23+(PO4)4(OH)2 · 8H2O
H WarditeNaAl3(PO4)2(OH)4 · 2H2O
H MitridatiteCa2Fe33+(PO4)3O2 · 3H2O
H MontgomeryiteCa4MgAl4(PO4)6(OH)4 · 12H2O
H HydroxylapatiteCa5(PO4)3(OH)
H VarisciteAlPO4 · 2H2O
H NatrojarositeNaFe3(SO4)2(OH)6
H LeucophosphiteKFe23+(PO4)2(OH) · 2H2O
H GordoniteMgAl2(PO4)2(OH)2 · 8H2O
H CrandalliteCaAl3(PO4)(PO3OH)(OH)6
H CollinsiteCa2Mg(PO4)2 · 2H2O
H GypsumCaSO4 · 2H2O
H TurquoiseCu(Al,Fe3+)6(PO4)4(OH)8 · 4H2O
H AluniteKAl3(SO4)2(OH)6
H BrushiteCa(HPO4) · 2H2O
H Whiteite SubgroupXM1M22M32(H2O)8(OH)2(PO4)4
H CyriloviteNaFe33+(PO4)2(OH)4 · 2H2O
H DufréniteCa0.5Fe2+Fe53+(PO4)4(OH)6 · 2H2O
H GoyaziteSrAl3(PO4)(PO3OH)(OH)6
H Jahnsite GroupXM1M22M32(H2O)8(OH)2(PO4)4
H RockbridgeiteFe2+Fe43+(PO4)3(OH)5
H JarositeKFe3+ 3(SO4)2(OH)6
H NatroaluniteNaAl3(SO4)2(OH)6
H Akrochordite(Mn2+,Mg)5(AsO4)2(OH)4 · 4H2O
H Goethiteα-Fe3+O(OH)
H OpalSiO2 · nH2O
H KaoliniteAl2(Si2O5)(OH)4
H ApatiteCa5(PO4)3(Cl/F/OH)
H Jahnsite SubgroupXM1M22M32(H2O)8(OH)2(PO4)4
H MetavarisciteAlPO4 · 2H2O
H FoggiteCaAl(PO4)(OH)2 · H2O
H OveriteCaMgAl(PO4)2(OH) · 4H2O
CCarbon
C AragoniteCaCO3
C DolomiteCaMg(CO3)2
OOxygen
O SegeleriteCa2 Mg2 Fe23+(PO4)4(OH)2 · 8H2O
O WarditeNaAl3(PO4)2(OH)4 · 2H2O
O MitridatiteCa2Fe33+(PO4)3O2 · 3H2O
O MontgomeryiteCa4MgAl4(PO4)6(OH)4 · 12H2O
O HydroxylapatiteCa5(PO4)3(OH)
O VarisciteAlPO4 · 2H2O
O NatrojarositeNaFe3(SO4)2(OH)6
O LeucophosphiteKFe23+(PO4)2(OH) · 2H2O
O GordoniteMgAl2(PO4)2(OH)2 · 8H2O
O CrandalliteCaAl3(PO4)(PO3OH)(OH)6
O CollinsiteCa2Mg(PO4)2 · 2H2O
O GypsumCaSO4 · 2H2O
O TurquoiseCu(Al,Fe3+)6(PO4)4(OH)8 · 4H2O
O AluniteKAl3(SO4)2(OH)6
O BrushiteCa(HPO4) · 2H2O
O Whiteite SubgroupXM1M22M32(H2O)8(OH)2(PO4)4
O BerliniteAlPO4
O CyriloviteNaFe33+(PO4)2(OH)4 · 2H2O
O DufréniteCa0.5Fe2+Fe53+(PO4)4(OH)6 · 2H2O
O GoyaziteSrAl3(PO4)(PO3OH)(OH)6
O Jahnsite GroupXM1M22M32(H2O)8(OH)2(PO4)4
O RockbridgeiteFe2+Fe43+(PO4)3(OH)5
O JarositeKFe3+ 3(SO4)2(OH)6
O NatroaluniteNaAl3(SO4)2(OH)6
O Akrochordite(Mn2+,Mg)5(AsO4)2(OH)4 · 4H2O
O Goethiteα-Fe3+O(OH)
O OpalSiO2 · nH2O
O QuartzSiO2
O AragoniteCaCO3
O KaoliniteAl2(Si2O5)(OH)4
O ApatiteCa5(PO4)3(Cl/F/OH)
O DolomiteCaMg(CO3)2
O Jahnsite SubgroupXM1M22M32(H2O)8(OH)2(PO4)4
O MetavarisciteAlPO4 · 2H2O
O FoggiteCaAl(PO4)(OH)2 · H2O
O OveriteCaMgAl(PO4)2(OH) · 4H2O
FFluorine
F ApatiteCa5(PO4)3(Cl/F/OH)
NaSodium
Na WarditeNaAl3(PO4)2(OH)4 · 2H2O
Na NatrojarositeNaFe3(SO4)2(OH)6
Na CyriloviteNaFe33+(PO4)2(OH)4 · 2H2O
Na NatroaluniteNaAl3(SO4)2(OH)6
MgMagnesium
Mg SegeleriteCa2 Mg2 Fe23+(PO4)4(OH)2 · 8H2O
Mg MontgomeryiteCa4MgAl4(PO4)6(OH)4 · 12H2O
Mg GordoniteMgAl2(PO4)2(OH)2 · 8H2O
Mg CollinsiteCa2Mg(PO4)2 · 2H2O
Mg Akrochordite(Mn2+,Mg)5(AsO4)2(OH)4 · 4H2O
Mg DolomiteCaMg(CO3)2
Mg OveriteCaMgAl(PO4)2(OH) · 4H2O
AlAluminium
Al WarditeNaAl3(PO4)2(OH)4 · 2H2O
Al MontgomeryiteCa4MgAl4(PO4)6(OH)4 · 12H2O
Al VarisciteAlPO4 · 2H2O
Al GordoniteMgAl2(PO4)2(OH)2 · 8H2O
Al CrandalliteCaAl3(PO4)(PO3OH)(OH)6
Al TurquoiseCu(Al,Fe3+)6(PO4)4(OH)8 · 4H2O
Al AluniteKAl3(SO4)2(OH)6
Al BerliniteAlPO4
Al GoyaziteSrAl3(PO4)(PO3OH)(OH)6
Al NatroaluniteNaAl3(SO4)2(OH)6
Al KaoliniteAl2(Si2O5)(OH)4
Al MetavarisciteAlPO4 · 2H2O
Al FoggiteCaAl(PO4)(OH)2 · H2O
Al OveriteCaMgAl(PO4)2(OH) · 4H2O
SiSilicon
Si OpalSiO2 · nH2O
Si QuartzSiO2
Si KaoliniteAl2(Si2O5)(OH)4
PPhosphorus
P SegeleriteCa2 Mg2 Fe23+(PO4)4(OH)2 · 8H2O
P WarditeNaAl3(PO4)2(OH)4 · 2H2O
P MitridatiteCa2Fe33+(PO4)3O2 · 3H2O
P MontgomeryiteCa4MgAl4(PO4)6(OH)4 · 12H2O
P HydroxylapatiteCa5(PO4)3(OH)
P VarisciteAlPO4 · 2H2O
P LeucophosphiteKFe23+(PO4)2(OH) · 2H2O
P GordoniteMgAl2(PO4)2(OH)2 · 8H2O
P CrandalliteCaAl3(PO4)(PO3OH)(OH)6
P CollinsiteCa2Mg(PO4)2 · 2H2O
P TurquoiseCu(Al,Fe3+)6(PO4)4(OH)8 · 4H2O
P BrushiteCa(HPO4) · 2H2O
P Whiteite SubgroupXM1M22M32(H2O)8(OH)2(PO4)4
P BerliniteAlPO4
P CyriloviteNaFe33+(PO4)2(OH)4 · 2H2O
P DufréniteCa0.5Fe2+Fe53+(PO4)4(OH)6 · 2H2O
P GoyaziteSrAl3(PO4)(PO3OH)(OH)6
P Jahnsite GroupXM1M22M32(H2O)8(OH)2(PO4)4
P RockbridgeiteFe2+Fe43+(PO4)3(OH)5
P ApatiteCa5(PO4)3(Cl/F/OH)
P Jahnsite SubgroupXM1M22M32(H2O)8(OH)2(PO4)4
P MetavarisciteAlPO4 · 2H2O
P FoggiteCaAl(PO4)(OH)2 · H2O
P OveriteCaMgAl(PO4)2(OH) · 4H2O
SSulfur
S NatrojarositeNaFe3(SO4)2(OH)6
S GypsumCaSO4 · 2H2O
S AluniteKAl3(SO4)2(OH)6
S JarositeKFe3+ 3(SO4)2(OH)6
S NatroaluniteNaAl3(SO4)2(OH)6
S PyriteFeS2
ClChlorine
Cl ApatiteCa5(PO4)3(Cl/F/OH)
KPotassium
K LeucophosphiteKFe23+(PO4)2(OH) · 2H2O
K AluniteKAl3(SO4)2(OH)6
K JarositeKFe3+ 3(SO4)2(OH)6
CaCalcium
Ca SegeleriteCa2 Mg2 Fe23+(PO4)4(OH)2 · 8H2O
Ca MitridatiteCa2Fe33+(PO4)3O2 · 3H2O
Ca MontgomeryiteCa4MgAl4(PO4)6(OH)4 · 12H2O
Ca HydroxylapatiteCa5(PO4)3(OH)
Ca CrandalliteCaAl3(PO4)(PO3OH)(OH)6
Ca CollinsiteCa2Mg(PO4)2 · 2H2O
Ca GypsumCaSO4 · 2H2O
Ca BrushiteCa(HPO4) · 2H2O
Ca DufréniteCa0.5Fe2+Fe53+(PO4)4(OH)6 · 2H2O
Ca AragoniteCaCO3
Ca ApatiteCa5(PO4)3(Cl/F/OH)
Ca DolomiteCaMg(CO3)2
Ca FoggiteCaAl(PO4)(OH)2 · H2O
Ca OveriteCaMgAl(PO4)2(OH) · 4H2O
MnManganese
Mn Akrochordite(Mn2+,Mg)5(AsO4)2(OH)4 · 4H2O
FeIron
Fe SegeleriteCa2 Mg2 Fe23+(PO4)4(OH)2 · 8H2O
Fe MitridatiteCa2Fe33+(PO4)3O2 · 3H2O
Fe NatrojarositeNaFe3(SO4)2(OH)6
Fe LeucophosphiteKFe23+(PO4)2(OH) · 2H2O
Fe TurquoiseCu(Al,Fe3+)6(PO4)4(OH)8 · 4H2O
Fe CyriloviteNaFe33+(PO4)2(OH)4 · 2H2O
Fe DufréniteCa0.5Fe2+Fe53+(PO4)4(OH)6 · 2H2O
Fe RockbridgeiteFe2+Fe43+(PO4)3(OH)5
Fe JarositeKFe3+ 3(SO4)2(OH)6
Fe Goethiteα-Fe3+O(OH)
Fe PyriteFeS2
CuCopper
Cu TurquoiseCu(Al,Fe3+)6(PO4)4(OH)8 · 4H2O
AsArsenic
As Akrochordite(Mn2+,Mg)5(AsO4)2(OH)4 · 4H2O
SeSelenium
Se SeleniumSe
SrStrontium
Sr GoyaziteSrAl3(PO4)(PO3OH)(OH)6

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

Mesoproterozoic
1000 - 1600 Ma



ID: 3193042
Mesoproterozoic sedimentary rocks

Age: Mesoproterozoic (1000 - 1600 Ma)

Stratigraphic Name: Bangemall Group

Comments: Bangemall Basin

Lithology: Carbonate,shale,sandstone

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]

Calymmian
1400 - 1600 Ma



ID: 745237
Muntharra Formation, Kiangi Creek Formation

Age: Calymmian (1400 - 1600 Ma)

Stratigraphic Name: Muntharra Formation; Kiangi Creek Formation

Description: Siltstone and mudstone; sandstone, dolostone, minor conglomerate

Comments: sedimentary siliciclastic; sedimentary carbonate; synthesis of multiple published descriptions

Lithology: Sedimentary siliciclastic; sedimentary carbonate

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)
Bridge. P.J., Pryce, M.W. (1974) Magnesian Collinsite from Milgun Station, Western Australia. Mineralogical Magazine 39, 577-579.
Fetherston, J.M., Stocklmayer, S.M., Stocklmayer, V.C. (2013) Gemstones of Western Australia. Geological Survey of Western Australia, Mineral Resources Bulletin 25, 306p. at p 220.
Peter Downes, Benjamin Grguric, Margot Willing, Geoff Deacon, Michael Verrall (2018) Variscite and associated phosphate minerals from the Mt Deverell variscite deposits, Milgun Station, Gascoyne region, Western Australia. in abstracts of the 22nd IMA Meeting Melbourne p 319
Grey, I. E., Mumme, W., Downes, P. J., Grguric, B. A., & Gable, R. W. (2018). Segelerite from the Mount Deverell variscite deposits, Western Australia. Hydrogen bonding and relationship to jahnsite. European Journal of Mineralogy.


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