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Goudeyite

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Majuba Hill Mine (Mylar Mine), Antelope District, Pershing Co., Nevada, USA
© 2004 JBS

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Formula:
(Al,Y)Cu
 
6
[(OH)
 
6
|(AsO
 
4
)
 
3
] · 3H
 
2
O
System:HexagonalColour:blue-green, yellow-green
Hardness:3 - 4
This page provides mineralogical data about Goudeyite.

Classification of Goudeyite

IMA status:Approved 1978
Strunz 8th edition ID:7/D.53-20
Nickel-Strunz 10th (pending) edition ID:8.DL.15

8 : PHOSPHATES, ARSENATES, VANADATES
D : Phosphates, etc. with additional anions, with H2O
L : With large and medium-sized cations, (OH, etc.):RO4 = 2:1
Dana 8th edition ID:42.5.1.3

42 : HYDRATED PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
5 : (AB)7(XO4)3Zq·xH2O
Hey's CIM Ref.:20.4.15

20 : Arsenates (also arsenates with phosphate, but without other anions)
4 : Arsenates of Group III metals (Al, rare earths)
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Type Occurrence of Goudeyite

Type Locality:Majuba Hill Mine (Mylar Mine), Antelope District, Pershing Co., Nevada, USA
Year of Discovery:1978

Physical Properties of Goudeyite

Colour:blue-green, yellow-green
Streak:greenish white
Hardness (Mohs):3 - 4

Crystallography of Goudeyite

Crystal System:Hexagonal
Cell Parameters:a = 13.47Å, c = 5.9Å
Ratio:a:c = 1 : 0.438
Unit Cell Volume:V 927.08 ų (Calculated from Unit Cell)

Optical Data of Goudeyite

Type:Uniaxial (+)
RI values: nω = 1.704 nε = 1.765
Maximum Birefringence:δ = 0.061

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

Chemical Properties of Goudeyite

Formula:
(Al,Y)Cu
 
6
[(OH)
 
6
|(AsO
 
4
)
 
3
] · 3H
 
2
O
Essential elements:Al, As, Cu, H, O
All elements listed in formula:Al, As, Cu, H, O, Y

Relationship of Goudeyite to other Species

Related to:
  • Mixite Group
    • Related Minerals - Nickel-Strunz Grouping):

    - +
    8.DL.05Foggite
    CaAl[(OH)
     
    2
    		|PO
     
    4
    		] · H
     
    2
    		O
    8.DL.10Cyrilovite
    NaFe
    3+
    3
    		[(OH)
     
    2
    		|PO
     
    4
    		]
     
    2
    		 · 2H
     
    2
    		O
    8.DL.10Millisite
    (Na,K)CaAl
     
    6
    		[(OH)
     
    9
    		|(PO
     
    4
    		)
     
    4
    		] · 3H
     
    2
    		O
    8.DL.10Wardite
    NaAl
     
    3
    		[(OH)
     
    2
    		|PO
     
    4
    		]
     
    2
    		 · 2H
     
    2
    		O
    8.DL.15Agardite-(Nd)
    (Nd,La,Ce)Cu
     
    6
    		[(OH)
     
    6
    		|(AsO
     
    4
    		)
     
    3
    		] · 3H
     
    2
    		O
    8.DL.15Agardite-(Y)
    (Y,Ca)Cu
     
    6
    		[(OH)
     
    6
    		|(AsO
     
    4
    		,HAsO
     
    4
    		)|(AsO
     
    4
    		)
     
    2
    		] · 3H
     
    2
    		O
    8.DL.15Agardite-(Ce)
    CeCu
     
    6
    		[(OH)
     
    6
    		|(AsO
     
    4
    		)
     
    3
    		] · 3H
     
    2
    		O
    8.DL.15Agardite-(La)
    (La,Ce)Cu
     
    6
    		[(OH)
     
    6
    		|(AsO
     
    4
    		)
     
    3
    		] · 3H
     
    2
    		O
    8.DL.15Mixite
    BiCu
     
    6
    		[(OH)
     
    6
    		|(AsO
     
    4
    		)
     
    3
    		] · 3H
     
    2
    		O
    8.DL.15Petersite-(Y)
    (Y,Ce,Nd)Cu
     
    6
    		[(OH)
     
    6
    		|(PO
     
    4
    		)
     
    3
    		] · 3H
     
    2
    		O
    8.DL.15Zálesíite
    (Ca,Y)Cu
     
    6
    		[(OH)
     
    6
    		|(HAsO
     
    4
    		,AsO
     
    4
    		)|(AsO
     
    4
    		)
     
    2
    		] · 3H
     
    2
    		O
    8.DL.15Plumboagardite
    (Pb,REE,Ca)Cu
     
    6
    		[(OH)
     
    6
    		|(HAsO
     
    4
    		,AsO
     
    4
    		)|(AsO
     
    4
    		)
     
    2
    		] · 3H
     
    2
    		O
    8.DL.15Calciopetersite
    CaCu
     
    6
    		[(OH)
     
    6
    		|HPO
     
    4
    		|(PO
     
    4
    		)
     
    2
    		] · 3H
     
    2
    		O
    8.DL.20Cheremnykhite
    Pb
     
    3
    		Zn
     
    3
    		TeO
     
    6
    		(VO
     
    4
    		)
     
    2
    8.DL.20Dugganite
    Pb
     
    3
    		Zn
     
    3
    		(Te
    6+
     
    		O
     
    6
    		)(AsO
     
    4
    		)
     
    2
    8.DL.20Kuksite
    Pb
     
    3
    		Zn
     
    3
    		TeO
     
    6
    		(PO
     
    4
    		)
     
    2
    8.DL.20Wallkilldellite-(Mn)
    Ca
     
    2
    		Mn
    2+
    3
    		[(OH)
     
    2
    		|AsO
     
    4
    		]
     
    2
    		 · 9H
     
    2
    		O
    8.DL.20Wallkilldellite-(Fe)
    (Ca,Cu)
     
    4
    		Fe
    2+
    6
    		[(OH,O)
     
    2
    		|(AsO
     
    4
    		,SiO
     
    4
    		)]
     
    4
    		 · 18H
     
    2
    		O
    8.DL.20Wallkilldellite
    Related Minerals - Hey's Index Grouping:

    - +
    20.4.1Mansfieldite
    AlAsO
     
    4
    		·2H
     
    2
    		O
    20.4.2Bulachite
    Al
     
    2
    		[(OH)
     
    3
    		|AsO
     
    4
    		] · 3H
     
    2
    		O
    20.4.3Alumopharmacosiderite
    KAl
     
    4
    		[(OH)
     
    4
    		|(AsO
     
    4
    		)
     
    3
    		] · 6-7H
     
    2
    		O
    20.4.4Luetheite
    Cu
     
    2
    		Al
     
    2
    		[(OH)
     
    2
    		|AsO
     
    4
    		]
     
    2
    20.4.5Arsenogoyazite
    SrAl
     
    3
    		[(OH)
     
    5
    		|(AsO
     
    4
    		)
     
    2
    		] · H
     
    2
    		O
    20.4.6Arsenocrandallite
    (Ca,Sr)Al
     
    3
    		[(OH)
     
    5
    		|(AsO
     
    4
    		,PO
     
    4
    		)
     
    2
    		] · H
     
    2
    		O
    20.4.7Arsenoflorencite-(Ce)
    CeAl
     
    3
    		[(OH)
     
    6
    		|(AsO
     
    4
    		)
     
    2
    		]
    20.4.8Arsenoflorencite-(La)
    LaAl
     
    3
    		[(OH)
     
    6
    		|(AsO
     
    4
    		)
     
    2
    		]
    20.4.9Arsenoflorencite-(Nd)
    NdAl
     
    3
    		[(OH)
     
    6
    		|(AsO
     
    4
    		)
     
    2
    		]
    20.4.10Gerdtremmelite
    (Zn,Fe)(Al,Fe)
     
    2
    		AsO
     
    4
    		(OH)
     
    5
    20.4.11Gasparite-(Ce)
    (Ce,REE)AsO
     
    4
    20.4.12Chernovite-(Y)
    YAsO
     
    4
    20.4.13Agardite-(Y)
    (Y,Ca)Cu
     
    6
    		[(OH)
     
    6
    		|(AsO
     
    4
    		,HAsO
     
    4
    		)|(AsO
     
    4
    		)
     
    2
    		] · 3H
     
    2
    		O
    20.4.14Agardite-(La)
    (La,Ce)Cu
     
    6
    		[(OH)
     
    6
    		|(AsO
     
    4
    		)
     
    3
    		] · 3H
     
    2
    		O
    20.4.16Retzian-(Ce)
    Mn
    2+
    2
    		Ce(AsO
     
    4
    		)(OH)
     
    4
    20.4.17Retzian-(La)
    (Mn
    2+
     
    		,Mg)
     
    2
    		(La,Ce,Nd)(AsO
     
    4
    		)(OH)
     
    4
    20.4.18Retzian-(Nd)
    Mn
    2+
    2
    		(Nd,Ce,La)(AsO
     
    4
    		)(OH)
     
    4

    Other Names for Goudeyite

    Synonyms:
    IMA1978-015
    Other Languages:
    German:Goudeyit
    Spanish:Goudeyita

    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 Goudeyite

    Reference List:Wise, W. S. (1978): Parnauite and goudeyite, two new copper arsenate minerals from the Majuba Hill Mine, Pershing County, Nevada.: American Mineralogist: 63: 704-708.

    Articles/Blogs about Goudeyite

    Internet Links for Goudeyite

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  • American Mineralogist Crystal Structure Database
  • Search for Goudeyite in the Natural History Museum (London) online catalogue
  • Goudeyite details from Handbook of Mineralogy (PDF)
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    Localities for Goudeyite

    Hide Locality List
    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.
    France
     
    • Midi-Pyrénées
      • Aveyron
        • Lunel
    • Provence-Alpes-Côte d'Azur
      • Var
        • Pradet
    		http://www.mine-capgaronne.fr/site/Mineraux/ListeMineraux.html
    • Rhône-Alpes
      • Rhône
        • Monsols
    		Favreau G., Legris J-R., Dardillac M. (1996), La Verrière (Rhône): Histoire et Minéralogie, Le Cahier des Micromonteurs, n°3, pp:3-28
    Germany
     
    • Rhineland-Palatinate
      • Westerwald
        • Rheinbreitbach
    		Weiss: "Mineralienfundstellen, Deutschland West", Weise (Munich), 1990
    Greece
     
    • Attikí (Attica; Attika) Prefecture
      • Lavrion (Laurion; Laurium) District
        • Lavrion District Mines
          • Agios Konstantinos [St Constantine] (Kamareza; Kamariza)
            • Kamareza Mines
    		No reference listed
    Italy
     
    • Sardinia
      • Cagliari Province
        • Muravera
    		Stara, P., Rizzo, R., Brizzi G., (1993): Sarrabus Miniere e Minerali. Edito a cura dell'EMSA e "varie associazioni mineralogiche", 208 pp.
    USA
     
    • Nevada
      • Pershing Co.
        • Antelope District
    		NBMG Spec. Pub. 31 Minerals of Nevada
    Natural History Museum Vienna collection
    Mineral and/or Locality
    Google
     
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