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Wyllieite

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Hålsjöberg (Horrsjöberg), Torsby, Värmland, Sweden
© rareminerals.com

Show Wyllieite Photos (2)
Formula:
(Na,Ca,Mn)(Mn,Fe)(Fe,Mg)Al(PO
 
4
)
 
3
System:MonoclinicColour:Dark blue-green, dark ...
Lustre:VitreousHardness:4 - 4½
Name:Named after Peter John Wyllie (b. 1930), Professor of Geology, University of Chicago (1965-1983) and the California Institute of Technology (1984-).


Wyllieite Group. Ferrowyllieite-Wyllieite Series, and the Rosemaryite-Wyllieite Series.

Classification of Wyllieite

IMA status:Approved 1972
Strunz 8th edition ID:7/A.06-40
Nickel-Strunz 10th (pending) edition ID:8.AC.15

8 : PHOSPHATES, ARSENATES, VANADATES
A : Phosphates, etc. without additional anions, without H2O
C : With medium-sized and large cations
Dana 7th edition ID:38.2.8.2
Dana 8th edition ID:38.2.4.2

38 : ANHYDROUS NORMAL PHOSPHATES, ARSENATES, AND VANADATES
2 : (AB)5(XO4)3
Hey's CIM Ref.:19.14.4

19 : Phosphates
14 : Phosphates of Fe and other metals
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Type Occurrence of Wyllieite

Type Locality:Old Mike mine (Great Northern; Old Mike M.S.2212), Custer, Custer District, Custer Co., South Dakota, USA
Year of Discovery:1973

Physical Properties of Wyllieite

Lustre:Vitreous
Diaphaneity (Transparency):Translucent on thin edges
Colour:Dark blue-green, dark oil-green, green-black; light green (thin fragment)
Streak:Dirty olive-green
Hardness (Mohs):4 - 4½
Tenacity:Brittle

Crystallography of Wyllieite

Crystal System:Monoclinic
Cell Parameters:a = 11.86Å, b = 12.38Å, c = 6.35Å
β = 114.52°
Ratio:a:b:c = 0.958 : 1 : 0.513
Unit Cell Volume:V 848.27 ų (Calculated from Unit Cell)

Optical Data of Wyllieite

Type:Biaxial (+)
RI values: nα = 1.688 nβ = 1.691 nγ = 1.696
2V:Measured: 50° , Calculated: 76°
Maximum Birefringence:δ = 0.008

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:High
Dispersion:r > v weak

Chemical Properties of Wyllieite

Formula:
(Na,Ca,Mn)(Mn,Fe)(Fe,Mg)Al(PO
 
4
)
 
3
Essential elements:Al, Fe, Mn, Na, O, P
All elements listed in formula:Al, Ca, Fe, Mg, Mn, Na, O, P

Relationship of Wyllieite to other Species

Series:Forms a series with Ferrowyllieite (see here)
Forms a series with Rosemaryite (see here)
Related to:
  • Wyllieite Group
    • Related Minerals - Nickel-Strunz Grouping):
    8.AC.05Howardevansite
    NaCuFe
     
    2
    		(VO
     
    4
    		)
     
    3
    8.AC.10Alluaudite
    (Na,Ca)Mn
    2+
     
    		(Fe
    3+
     
    		,Mn
    2+
     
    		,Fe
    2+
     
    		,Mg)
     
    2
    		(PO
     
    4
    		)
     
    3
    8.AC.10Arseniopleite
    NaCaMn
    2+
     
    		(Mn
    2+
     
    		,Mg)
     
    2
    		(AsO
     
    4
    		)
     
    3
    8.AC.10Caryinite
    (Na,Pb)(Ca,Na)((Ca,Mn
    2+
     
    		)(Mn
    2+
     
    		,Mg,Fe
    3+
     
    		)[AsO
     
    4
    		]
     
    3
    8.AC.10Ferroalluaudite
    (Na,Ca)Fe
    2+
     
    		(Fe
    3+
     
    		,Mn
    2+
     
    		,Fe
    2+
     
    		)
     
    2
    		(PO
     
    4
    		)
     
    3
    8.AC.10Hagendorfite
    NaCaMn
    2+
     
    		Fe
    2+
    2
    		(PO
     
    4
    		)
     
    3
    8.AC.10Johillerite
    Na(Mg,Zn)
     
    3
    		Cu[AsO
     
    4
    		]
     
    3
    8.AC.10Maghagendorfite
    NaMn(Mg,Fe,Fe)
     
    3
    		(PO
     
    4
    		)
     
    3
    8.AC.10Nickenichite
    Na
     
    0.8
    		Ca
     
    0.4
    		Cu
     
    0.4
    		(Mg,Fe)
     
    3
    		(AsO
     
    4
    		)
     
    3
    8.AC.10Varulite
    NaCaMn
    2+
     
    		Mn
    2+
    2
    		(PO
     
    4
    		)
     
    3
    8.AC.10Ferrohagendorfite
    (Na,Ca)
     
    2
    		Fe
    2+
     
    		(Fe
    2+
     
    		,Fe
    3+
     
    		)
     
    2
    		(PO
     
    4
    		)
     
    3
    8.AC.10Bradaczekite
    NaCu
     
    4
    		(AsO
     
    4
    		)
     
    3
    8.AC.10Yazganite
    NaFe
    3+
    2
    		(Mg,Mn
    2+
     
    		)[AsO
     
    4
    		]
     
    3
    		 · H
     
    2
    		O
    8.AC.10Ferro-alluaudite
    8.AC.15Bobfergusonite
    Na
     
    2
    		Mn
     
    5
    		FeAl(PO
     
    4
    		)
     
    6
    8.AC.15Ferrowyllieite
    (Na,Ca,Mn)(Fe,Mn)(Fe,Fe,Mg)Al(PO
     
    4
    		)
     
    3
    8.AC.15Qingheiite
    NaMn
    3+
     
    		Mg(Al,Fe
    3+
     
    		)[PO
     
    4
    		]
     
    3
    8.AC.15Rosemaryite
    (Na,Ca,Mn)(Mn,Fe
    2+
     
    		)(Fe
    3+
     
    		,Mg)Al(PO
     
    4
    		)
     
    3
    8.AC.15Ferrorosemaryite
    []NaFe
    2+
     
    		Fe
    3+
     
    		Al(PO
     
    4
    		)
     
    3
    8.AC.20Marićite
    NaFe
    2+
     
    		[PO
     
    4
    		]
    8.AC.25Berzeliite
    NaCa
     
    2
    		(Mg,Mn
    2+
     
    		)
     
    2
    		[AsO
     
    4
    		]
     
    3
    8.AC.25Manganberzeliite
    (Ca,Na)
     
    3
    		(Mn
    2+
     
    		,Mg)
     
    2
    		[AsO
     
    4
    		]
     
    3
    8.AC.25Palenzonaite
    (Ca,Na)
     
    3
    		CaMn
    2+
    2
    		[VO
     
    4
    		]
     
    3
    8.AC.25Schäferite
    Ca
     
    2
    		NaMg
     
    2
    		[VO
     
    4
    		]
     
    3
    8.AC.30Brianite
    Na
     
    2
    		CaMg[PO
     
    4
    		]
     
    2
    8.AC.35Vitusite-(Ce)
    Na
     
    3
    		(Ce,La,Nd)(PO
     
    4
    		)
     
    2
    8.AC.40Olgite
    Ba(NaSr)
     
    2
    		Na[PO
     
    4
    		]
     
    2
    8.AC.40Bario-olgite
    Ba(Na,Sr,REE)
     
    2
    		Na[PO
     
    4
    		]
     
    2
    8.AC.45Strontiowhitlockite
    Sr
     
    9
    		MgH[PO
     
    4
    		]
     
    7
    8.AC.45Whitlockite
    Ca
     
    9
    		Mg[PO
     
    3
    		OH][PO
     
    4
    		]
     
    6
    8.AC.45Merrillite
    Ca
     
    18
    		Na
     
    2
    		Mg
    2+
    2
    		[PO
     
    4
    		]
     
    14
    8.AC.45Tuite
    Ca
     
    3
    		[PO
     
    4
    		]
     
    2
    8.AC.45Ferromerrillite
    Ca
     
    9
    		Fe
    2+
     
    		Na[PO
     
    4
    		]
     
    7
    8.AC.50Chladniite
    {Ca}{Na
     
    8
    		}{Ca
     
    4
    		Na
     
    4
    		}{(Mg,Fe
    2+
     
    		)
     
    43
    		}[PO
     
    4
    		]
     
    36
    8.AC.50Fillowite
    {Mn
    2+
     
    		}{Na
     
    8
    		}{Ca
     
    4
    		Na
     
    4
    		}{(Mn
    2+
     
    		,Fe
    2+
     
    		)
     
    43
    		}[PO
     
    4
    		]
     
    36
    8.AC.50Johnsomervilleite
    {Ca}{Na
     
    6
    		[ ]
     
    2
    		}{Ca
     
    6
    		Na
     
    2
    		}{(Fe
    2+
     
    		,Mg,Mn
    2+
     
    		)
     
    43
    		}[PO
     
    4
    		]
     
    36
    8.AC.50Galileiite
    {Fe
    2+
     
    		}{Na
     
    8
    		}{Fe
    2+
    4
    		Na
     
    4
    		}{Fe
    2+
    43
    		}[PO
     
    4
    		]
     
    36
    8.AC.50Stornesite-(Y)
    {(Y, Ca)}{Na
     
    6
    		[ ]
     
    2
    		}{(Ca,Na)
     
    8
    		}{(Mg,Fe
    2+
     
    		)
     
    43
    		}[PO
     
    4
    		]
     
    36
    8.AC.50IMA2006-006
    Na
     
    4
    		Fe
    2+
    7
    		[PO
     
    4
    		]
     
    6
    8.AC.55Harrisonite
    Ca(Fe
    2+
     
    		,Mg)
     
    6
    		[PO
     
    4
    		|SiO
     
    4
    		]
     
    2
    8.AC.60Kosnarite
    KZr
     
    2
    		(PO
     
    4
    		)
     
    3
    8.AC.65Panethite
    (Na,Ca)
     
    2
    		(Mg,Fe
    2+
     
    		)
     
    2
    		[PO
     
    4
    		]
     
    2
    8.AC.70Stanfieldite
    Ca
     
    7
    		Ca
     
    2
    		Mg
     
    9
    		[PO
     
    4
    		]
     
    12
    8.AC.75Ronneburgite
    K
     
    2
    		MnV
     
    4
    		O
     
    12
    8.AC.80Tillmannsite
    (Ag
     
    3
    		Hg)[(VO
     
    4
    		, AsO
     
    4
    		)]
    8.AC.85Filatovite
    K[(Al,Zn)
     
    2
    		(As,Si)
     
    2
    		O
     
    8
    		]
    Related Minerals - Hey's Index Grouping:
    19.14.1Cyrilovite
    NaFe
    3+
    3
    		[(OH)
     
    2
    		|PO
     
    4
    		]
     
    2
    		 · 2H
     
    2
    		O
    19.14.2Kidwellite
    NaFe
    3+
    9
    		[(OH)
     
    5
    		|(PO
     
    4
    		)
     
    3
    		]
     
    2
    		 · 5H
     
    2
    		O
    19.14.3Rosemaryite
    (Na,Ca,Mn)(Mn,Fe
    2+
     
    		)(Fe
    3+
     
    		,Mg)Al(PO
     
    4
    		)
     
    3
    19.14.5Ferrowyllieite
    (Na,Ca,Mn)(Fe,Mn)(Fe,Fe,Mg)Al(PO
     
    4
    		)
     
    3
    19.14.6Natrodufrénite
    NaFe
    2+
     
    		(Fe
    3+
     
    		,Al)
     
    5
    		[(OH)
     
    3
    		|(PO
     
    4
    		)
     
    2
    		]
     
    2
    		 · 2H
     
    2
    		O
    19.14.7Leucophosphite
    KFe
    3+
    2
    		[OH|(PO
     
    4
    		)
     
    2
    		] · 2H
     
    2
    		O
    19.14.8Spheniscidite
    (NH
     
    4
    		,K)(Fe
    3+
     
    		,Al)
     
    2
    		[OH|(PO
     
    4
    		)
     
    2
    		] · 2H
     
    2
    		O
    19.14.9Burangaite
    (Na,Ca
     
    0.5
    		)(Fe
    2+
     
    		,Mg)Al
     
    5
    		[(OH,O)
     
    3
    		|(PO
     
    4
    		)
     
    2
    		]
     
    2
    		 · 2H
     
    2
    		O
    19.14.10Satterlyite
    (Fe
    2+
     
    		,Mg,Fe
    3+
     
    		)
     
    2
    		[(OH,O)|PO
     
    4
    		]
    19.14.11Ushkovite
    MgFe
    3+
    2
    		[PO
     
    4
    		]
     
    2
    		(OH)
     
    2
    		 · 8H
     
    2
    		O
    19.14.12Garyansellite
    (Mg,Fe)
     
    3
    		(PO
     
    4
    		)
     
    2
    		(OH,O)·1.5H
     
    2
    		O
    19.14.13Thadeuite
    Ca(Mg,Fe
    2+
     
    		)
     
    3
    		[(OH,F)|PO
     
    4
    		]
     
    2
    19.14.14Anapaite
    Ca
     
    2
    		Fe
    2+
     
    		[PO
     
    4
    		]
     
    2
    		 · 4H
     
    2
    		O
    19.14.15Xanthoxenite
    Ca
     
    4
    		Fe
    3+
    2
    		[OH|(PO
     
    4
    		)
     
    2
    		]
     
    2
    		 · 3H
     
    2
    		O
    19.14.16Calcioferrite
    Ca
     
    2
    		Fe
    3+
    2
    		[OH|(PO
     
    4
    		)
     
    3
    		] · 7H
     
    2
    		O
    19.14.17Mitridatite
    Ca
     
    2
    		Fe
    3+
    3
    		[O
     
    2
    		|(PO
     
    4
    		)
     
    3
    		] · 3H
     
    2
    		O
    19.14.18Mélonjosephite
    CaFe
    2+
     
    		Fe
    3+
     
    		[OH|(PO
     
    4
    		)
     
    2
    		]
    19.14.19Delvauxite
    CaFe
     
    4
    		(PO
     
    4
    		,SO
     
    4
    		)
     
    2
    		(OH)
     
    8
    		·4-6H
     
    2
    		O not confirmed·
    19.14.20Collinsite
    Ca
     
    2
    		(Mg,Fe
    2+
     
    		)[PO
     
    4
    		]
     
    2
    		 · 2H
     
    2
    		O
    19.14.21Segelerite
    Ca
     
    2
    		 Mg
     
    2
    		 Fe
    3+
    2
    		(PO
     
    4
    		)
     
    4
    		(OH)
     
    2
    		 · 8H
     
    2
    		O
    19.14.22Kingsmountite
    Ca
     
    4
    		(Fe
    2+
     
    		,Mn
    2+
     
    		)Al
     
    4
    		[(OH)
     
    2
    		|(PO
     
    4
    		)
     
    3
    		]
     
    2
    		 · 12H
     
    2
    		O
    19.14.23Vauxite
    Fe
    2+
     
    		Al
     
    2
    		[OH|PO
     
    4
    		]
     
    2
    		 · 6H
     
    2
    		O
    19.14.24Metavauxite
    Fe
    2+
     
    		Al
     
    2
    		[OH|PO
     
    4
    		]
     
    2
    		 · 8H
     
    2
    		O
    19.14.25Paravauxite
    Fe
    2+
     
    		Al
     
    2
    		[OH|PO
     
    4
    		]
     
    2
    		 · 8H
     
    2
    		O
    19.14.26Sigloite
    Fe
    3+
     
    		Al
     
    2
    		[(OH)
     
    3
    		|(PO
     
    4
    		)
     
    2
    		] · 7H
     
    2
    		O
    19.14.27Cacoxenite
    Fe
    3+
    24
    		Al[(OH)
     
    12
    		|O
     
    6
    		|(PO
     
    4
    		)
     
    17
    		] · 17H
     
    2
    		O
    19.14.28Koninckite
    Fe
    3+
     
    		[PO
     
    4
    		] · 3H
     
    2
    		O
    19.14.29Lazulite
    (Mg,Fe
    2+
     
    		)Al
     
    2
    		[OH|PO
     
    4
    		]
     
    2
    19.14.30Scorzalite
    (Fe
    2+
     
    		,Mg)Al
     
    2
    		[OH|PO
     
    4
    		]
     
    2
    19.14.31Souzalite
    (Mg,Fe
    2+
     
    		)
     
    3
    		(Al,Fe
    3+
     
    		)
     
    4
    		[(OH)
     
    3
    		|(PO
     
    4
    		)
     
    2
    		]
     
    2
    		 · 2H
     
    2
    		O
    19.14.32Gormanite
    (Fe
    2+
     
    		,Mg)
     
    3
    		(Al,Fe
    3+
     
    		)
     
    4
    		[(OH)
     
    3
    		|(PO
     
    4
    		)
     
    2
    		]
     
    2
    		 · 2H
     
    2
    		O
    19.14.33Zaïrite
    Bi(Fe
    3+
     
    		,Al)
     
    3
    		[(OH)
     
    6
    		|(PO
     
    4
    		)
     
    2
    		]
    Related Minerals - Dana Grouping):
    38.2.8.1Ferrowyllieite
    (Na,Ca,Mn)(Fe,Mn)(Fe,Fe,Mg)Al(PO
     
    4
    		)
     
    3
    38.2.8.3Rosemaryite
    (Na,Ca,Mn)(Mn,Fe
    2+
     
    		)(Fe
    3+
     
    		,Mg)Al(PO
     
    4
    		)
     
    3
    38.2.8.4Qingheiite
    NaMn
    3+
     
    		Mg(Al,Fe
    3+
     
    		)[PO
     
    4
    		]
     
    3
    38.2.8.6Ferrorosemaryite
    []NaFe
    2+
     
    		Fe
    3+
     
    		Al(PO
     
    4
    		)
     
    3

    Other Names for Wyllieite

    Synonyms:
    IMA1972-015
    German names:
    Wyllieit
    Russian names:
    Уиллиит
    Spanish names:
    Wyllieita

    Other Information

    Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

    References for Wyllieite

    Reference List:Moore, Paul B., Ito, Jun. (1973): Wyllieite (Na2Fe2+2Al(PO4)3), a new species. Mineralogical Record: 4: 131-136.

    American Mineralogist (1974): 59: 211, 280-290 (structure - ferrowylieite).

    Mineralogical Magazine (1979): 43: 227-235.

    American Mineralogist (1980): 65: 810-811.

    Internet Links for Wyllieite

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  • Look for Wyllieite on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Search for Wyllieite in the Natural History Museum (London) online catalogue
  • Wyllieite details from Handbook of Mineralogy (PDF)
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    Localities for Wyllieite

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    The map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
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    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    Brazil
     
    • Southeast Region
      • Minas Gerais
        • Doce valley
          • Divino das Laranjeiras
            • Linópolis
    		[MinRec 14:233]
    France
     
    • Languedoc-Roussillon
      • Pyrénées-Orientales
    		P. Keller, F. Fontan, F. Velasco Roldan, J.C. Melgarejo i Draper : "Stanekite a new Phosphate Mineral in Pegmatites at Karibib (Namibia) and French Pyrénées (France)", European Journal of Mineralogy, 1977, 9, 475-482
    Rwanda
     
    • Gisenyi Province
      • Gatumba District
    		Fransolet, A.M. (1995): Wyllieite and rosemaryite in the pegmatite of Buranga, Rwanda. European Journal of Mineralogy 7, 567-575. (in French)
    Spain
     
    • Catalonia
      • Girona (Gerona)
        • Alt Empordà
          • Cadaqués
    		Bareche, E. (2005) "Els minerals de Catalunya. Segle XX" Ed. Museu Mollfulleda de Mineralogia - Grup Mineralògic Català, 269 p.
    Sweden
     
    • Värmland
      • Torsby
    		Kjell Gatedal + Grensman, F.(1989):" Hålsjøberg- En fyndortsbeskrivning." NAGS-nytt 16(3), 24-27
    USA
     
    • Arizona
      • Yavapai Co.
    		AmMin 67: 97-113 (1982)
    • South Dakota
      • Custer Co.
        • Custer District
          • Custer
    		[MinRec 17:301]
    [MinRec 4:111, 4:131-136]
      • Pennington Co.
        • Keystone District
          • Keystone
    		[MinRec 4:118]
    Mineral and/or Locality
    Google
     
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