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Agardite-(Y)

Big Photo

Bob Montgomery Claim Group, Granite Gap, San Simon District, Hidalgo Co., New Mexico, USA
© DM06

Show Agardite-(Y) Photos (46)
Formula:
(Y,Ca)Cu
 
6
[(OH)
 
6
|(AsO
 
4
,HAsO
 
4
)|(AsO
 
4
)
 
2
] · 3H
 
2
O
System:HexagonalColour:bluish green
Lustre:VitreousHardness:3 - 4
Name:Named for Jules Agard, geologist with the Bureau de Recherches Géologiques et Minières, Orléans, France
This page provides mineralogical data about Agardite-(Y).

Classification of Agardite-(Y)

IMA status:Approved 1968
Strunz 8th edition ID:7/D.53-40
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:42.5.1.2

42 : HYDRATED PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
5 : (AB)7(XO4)3Zq·xH2O
Hey's CIM Ref.:20.4.13

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 Agardite-(Y)

Type Locality:Bou Skour Mine, Bou Skour, Mount Sarhro area, Ouarzazate Province, Souss-Massa-Draâ Region, Morocco

Physical Properties of Agardite-(Y)

Lustre:Vitreous
Colour:bluish green
Streak:greenish white
Hardness (Mohs):3 - 4

Crystallography of Agardite-(Y)

Crystal System:Hexagonal

Optical Data of Agardite-(Y)

Type:Uniaxial (+)
RI values: nω = 1.701 nε = 1.782
Maximum Birefringence:δ = 0.081

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

Chemical Properties of Agardite-(Y)

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

Relationship of Agardite-(Y) 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-(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.15Goudeyite
(Al,Y)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
20.4.14Agardite-(La)
(La,Ce)Cu
 
6
[(OH)
 
6
|(AsO
 
4
)
 
3
] · 3H
 
2
O
20.4.15Goudeyite
(Al,Y)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 Agardite-(Y)

Synonyms:
IMA1968-021
Other Languages:
German:Agardit-(Y)
Russian:Агардит-(Y)

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 Agardite-(Y)

Reference List:Bull. Min. (1969), 92, 420-434.

American Mineralogist: 55: 1447.

Internet Links for Agardite-(Y)

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    Localities for Agardite-(Y)

    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.
    Australia
     
    • New South Wales
      • Robinson Co.
        • Cobar
          • Cobar
    		Leverett, P., McKinnon, A. R., Sharpe, J. L. and Williams, P. A. (2005) Secondary minerals from the central Cobar mines. Australian Journal of Mineralogy, 11, 75-82.
      • Yancowinna Co.
        • Broken Hill
    		Australian Min. 3:1 (1997)
    Australian Mineralogist (1997): 3: 1.
    • South Australia
      • Mt Lofty Ranges
        • South Mt Lofty Ranges
          • Clarendon
    		Kolitsch, U. and Elliott, P. (1999): Mineralogy of the Mount Malvern Mine near Clarendon, South Australia. Australian J. Mineral. 5, 3-17.
      • Olary Province
        • Kalabity homestead area
    		A.G. Christy (2004) unpubl. analysis. "chlorotile/mixite" = calcian agardite-(Y)
    • Western Australia
    		Downes, P. J., Hope, M., Bevan, A. W. R. and Henry, D. A. (2006): Chalcocite and associated secondary minerals from the Telfer gold mine, Western Australia. Austral. J. Mineral. 12, 25-42.
    Bulgaria
     
    • Sofiya (Sofia) Oblast
    		Neues Jahrbuch für Mineralogie - Monatshefte, Volume 2002, Number 3, 1 March 2002, pp. 107-116(10)
    Czech Republic
     
    • Bohemia (Böhmen; Boehmen)
      • Hradec Králové Region
        • Krkonoše Mts (Riesengebirge)
          • Špindlerův Mlýn
    		Plášil J., Sejkora J., Škoda R., Goliáš V. 2006: Supergene Y, REE minerals from the Medvědín deposit, the Krkonoše (Giant) Mts., Czech Repulic. Mineralogia Polonica, vol. 28, 181-183
      • Karlovy Vary Region
        • Krušné Hory Mts (Erzgebirge)
          • Ostrov
    		Lapis 2002(7/8), 63-65
    Democratic Republic of Congo (Zaïre)
     
    • Katanga (Shaba)
      • Katanga Copper Crescent
        • Western area
          • Kolwezi
            • Mutoshi (Ruwe)
    		Deliens, M. (1989): Agardite-(Y) of Mutoshi, Shaba, Zaire. Ann. Soc. Geol. Belg. 112, 207-213. (in French); Anthony, Bideaux, Bladh, Nichols: "Handbook of Mineralogy", Vol. 4, 2000
    France
     
    • Midi-Pyrénées
      • Aveyron
        • Decazeville
    		Lheur C., Peraud W., Meisser N. (2002), Résultats d'analyses concernant les arséniates et découverte de chéralite-(Ce) à la mine de Valzergues (Aveyron), Le Cahier des Micromonteurs, n°2, pp: 3-8
    • Provence-Alpes-Côte d'Azur
      • Var
        • Pradet
    		Replace old entry deleted by error.
    • Rhône-Alpes
      • Rhône
    		[Le Cahier des Micromonteurs 1988, 4, p.6-46]
    Germany
     
    • Baden-Württemberg
      • Black Forest
        • Feldberg Mt. area
    		Steen, H. (2005): Ein Neufund von Agardit-(Y) aus Rotenbach im Feldberggebiet (südlicher Schwarzwald). Der Erzgräber 19, 70-72. (in German)
        • Haslach
          • Fischerbach
    		No reference listed
          • Welschbollenbach
    		Lapis 1985(11), 31-32
        • Münstertal
          • Belchen Mt.
    		K. Walenta: "Die Mineralien des Schwarzwaldes", Weise (Munich), 1992
          • Staufen
            • Grunern
    		Steen, H. (2005): Ein Neufund von Agardit-(Y) aus Rotenbach im Feldberggebiet (südlicher Schwarzwald). Der Erzgräber 19, 70-72. (in German) [mentions also Agardite-(Y) from Amalie mine]
        • Schenkenzell
          • Wittichen
            • Böckelsbach valley
    		Walenta: "Die Mineralien des Schwarzwaldes", Weise (Munich), 1992
    • Lower Saxony
      • Harz Mts
        • Bad Lauterberg
    		Aufschluss 37, 245ff
        • Clausthal-Zellerfeld
          • Oberschulenberg
    		Wittern: "Mineralfundorte in Deutschland", 2001
    • North Rhine-Westphalia
      • Niederberg area
        • Heiligenhaus
    		Lapis 1988(1), 17-35
    • Thuringia
      • Saalfeld
    		Wittern: "Mineralfundorte in Deutschland", 2001
    Greece
     
    • Attikí (Attica; Attika) Prefecture
      • Lavrion (Laurion; Laurium) District
        • Lavrion District Mines
          • Agios Konstantinos [St Constantine] (Kamariza)
            • Kamariza Mines (Kamareza Mines)
    		No reference listed
    No reference listed
    Italy
     
    • Liguria
      • Savona Province
        • Murialdo
          • Pastori
    		Palenzona, A., Armellino, G., Bulgarelli, G. (1994): Le agarditi della Liguria. Rivista Mineralogica Italiana, 4/1994, 354-356.
    M.E. Ciriotti 15.06.2009
    • Lombardy
      • Varese Province
        • Ceresio Valley
    		No reference listed
    Nazareno La Manna collection
    • Piedmont
      • Cuneo Province
        • Bagnolo Piemonte
          • Infernotto Valley
            • Ortieul
    		Ambrino, P., Brizio, P., Ciriotti, M.E., Finello, G., Marello, B. (2009). Minerali della pietra di Luserna. AMI. CD-ROM (in italian and in english)
    • 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.
      • Carbonia-Iglesias Province
        • Domusnovas
          • Oridda
    		No reference listed
        • Fluminimaggiore
    		Anthony, Bideaux, Bladh, Nichols: "Handbook of Mineralogy", Vol. 4, 2000
      • Medio Campidano Province
        • Arbus
    		Stara, P., Rizzo, R., Tanca, G.A. (1996): Iglesiente e Arburese. Miniere e Minerali. Edito a cura dell'EMSA e "varie associazioni mineralogiche", Volume 2, 192 pp.
    Stara, P., Rizzo, R., Tanca, G.A. (1996): Iglesiente e Arburese. Miniere e Minerali. Edito a cura dell'EMSA e "varie associazioni mineralogiche", Volume 2, 192 pp.
        • Gonnosfanadiga
    		Stara, P., Rizzo, R., Tanca, G.A. (1996): Iglesiente e Arburese. Miniere e Minerali. Edito a cura dell'EMSA e "varie associazioni mineralogiche", Volume 2°, 192 pp.
    • Trentino-Alto Adige
      • Trento Province
        • Valsugana
          • Roncegno
    		M.E. Ciriotti (2006) Probed
    Japan
     
    • Chugoku Region
      • Hiroshima Prefecture
        • Inland Sea (Setonaikai)
          • Ikuchi Island
            • Setoda
    		Anthony, Bideaux, Bladh, Nichols: "Handbook of Mineralogy", Vol. 4, 2000
    • Honshu Island
      • Kinki Region
        • Nara Prefecture
    		The Mineral Species of Japan (5th ed) Matsubara
    The Mineral Species of Japan (5th ed) Matsubara
    Mongolia
     
    • Hovd Aimag (Khovd Aimag)
      • Altai Mts
    		P.M. Kartashov data
    Morocco
     
    • Souss-Massa-Draâ Region
      • Ouarzazate Province
        • Mount Sarhro area
          • Bou Skour
    		Anthony, Bideaux, Bladh, Nichols: "Handbook of Mineralogy", Vol. 4, 2000
    Spain
     
    • Andalusia
      • Córdoba
        • Añora
    		Anthony, Bideaux, Bladh, Nichols: "Handbook of Mineralogy", Vol. 4, 2000
    Switzerland
     
    • Glarus
      • Murg Valley
        • Mürtschenalp
    		Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Verlag Wepf & Co. (Basel), p. 24
    • Wallis (Valais)
      • Binn Valley
        • Kriegalp Valley (Chriegalp Valley)
    		Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Verlag Wepf & Co. (Basel), p. 24
      • Martigny
        • Mont Chemin
    UK
     
    • England
      • Cornwall
        • Liskeard District
          • Caradon & Phoenix Area (South-Eastern Bodmin Moor)
            • Linkinhorne
    		No reference listed
        • St Erth - Gwithian Area
          • Phillack
    		Anthony, Bideaux, Bladh, Nichols: "Handbook of Mineralogy", Vol. 4, 2000
    • Wales
      • Ceredigion (Dyfed; Cardiganshire)
        • Trefeirig
          • Goginan
    		S.Rust collection
    USA
     
    • California
      • San Bernardino Co.
        • Clark Mts
          • Clark Mountain District
            • Pactolus
              • Mohawk Hill
    		[Mineralien Welt 1/93:44]
    • Nevada
      • Clark Co.
        • Goodsprings District
    		Rocks & Minerals 83:1 pp 65-69
      • Esmeralda Co.
        • Railroad Springs District
    		NBMG Spec. Pub. 31 Minerals of Nevada
      • Mineral Co.
        • Bell District
    		NBMG Spec. Pub. 31 Minerals of Nevada
      • Nye Co.
        • Lodi District
          • Quartz Mountain camp
    		NBMG Spec. Pub. 31 Minerals of Nevada
      • Pershing Co.
        • Antelope District
          • Majuba Hill Mine (Mylar Mine)
    		Jensen, M. (1993): Update on the mineralogy of the Majuba Hill mine, Pershing County. Mineralogical Record. 24, 171-180.
    • New Mexico
      • Hidalgo Co.
        • San Simon District
          • Granite Gap
    		R&M 77:5 p298-305
    Twenty-fourth Annual New Mexico Mineral Symposium
    R&M 77:5 p298-305
      • Santa Fe Co.
        • New Placers District
    		Northrop, Minerals of New Mexico, 3rd Rev. Ed., 1996
    • Washington
      • Okanogan Co.
        • Golden Horn Batholith
    		Micro Probe Volume VI Number 8; Rocks and Minerals, 66:6, p. 453
    Mineral and/or Locality
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