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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

Member of Group:
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.25Angastonite
CaMgAl
 
2
(PO
 
4
)
 
2
(OH)
 
4
·7H
 
2
O
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.

Internet Links for Goudeyite

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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.
    (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
     
    • Central-West Region
      • Goiás
        • Monte Alegre de Goiás
    		Márcia Abrahão Moura, Nilson Francisquini Botelho and Fábio Carvalho de Mendonça (2007): The indium-rich sulfides and rare arsenates of the Sn–In-mineralized Mangabeira A-type granite, Central Brazil. Canadian Mineralogist 45, 485-496.
    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] (Kamariza)
            • Kamariza Mines (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; Ameican Mineralogist, Volume 63, pages 704-708, 1978
    Natural History Museum Vienna collection
    Mineral and/or Locality
    Google
     
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    Copyright © Jolyon Ralph and Ida Chau 1993-2009. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 7th Nov 2009 00:16:46