Mindat Logo
Home Page Log In Message Board The Mindat Directory
Register Search Pages Chat Now! (2 online) Mindat Auctions

Agardite-(Nd)

Big Photo

Big 3 mine, Railroad Springs District, Esmeralda Co., Nevada, USA
© R.D.Green

Show Agardite-(Nd) Photos (5)
Formula:
(Nd,La,Ce)Cu
 
6
[(OH)
 
6
|(AsO
 
4
)
 
3
] · 3H
 
2
O
System:HexagonalColour:Grass green
Hardness:3 - 4


Incompletely characterised member of the Mixite group. May in some cases not be a Nd-dominant mineral, but simply a Nd-rich variety.

Originally reported from Wittichen, Schenkenzell, Black Forest, Baden-Württemberg, Germany.

Classification of Agardite-(Nd)

IMA status:Rejected
Strunz 8th edition ID:7/D.53-70
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
mindat.org URL:http://www.mindat.org/min-43.html
Please feel free to link to this page.

Physical Properties of Agardite-(Nd)

Lustre:Vitreous
Colour:Grass green
Streak:Greenish white
Hardness (Mohs):3 - 4

Crystallography of Agardite-(Nd)

Crystal System:Hexagonal

Chemical Properties of Agardite-(Nd)

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

Relationship of Agardite-(Nd) 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-(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.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

Other Names for Agardite-(Nd)

Other Languages:
German:Agardit-(Nd)
Russian:Агардит-(Nd)

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.

Internet Links for Agardite-(Nd)

Search Engines:
  • Look for Agardite-(Nd) on Google
  • Look for Agardite-(Nd) images on Google
    • Mineral Dealers:
  • Wendel Minerals - Auktion & Shop
  • Wilensky Fine Minerals
  • Buy fine minerals and gemstones from Pala International
  • Fine Minerals from Dan Weinrich Minerals
  • Search for - Agardite-(Nd) - on e-Rocks Mineral Sales & Auctions
  • rare and unusual minerals mainly crystallized
  • Find Agardite-(Nd) on www.crystalclassics.co.uk
  • The Arkenstone - Fine Minerals
  • SpiriferMinerals.com - high quality specimens
  • High-end worldwide specimens & outstanding customer service
  • Lapis Mineral Magazin
  • DAKOTA MATRIX offers Cabinet and Rare Species from Worldwide Localities.
    • Jobs:
  • Mining & Geology Jobs

    • Page Sponsor

    Sponsorship:This page is currently not sponsored. Click here to sponsor this page.

    Localities for Agardite-(Nd)

    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
    		http://leme.anu.edu.au/Pubs/Advancesinregolith/Leverett_et_al.pdf
    • 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.
    Austria
     
    • Styria
      • Fischbacher Alpen Mts
        • Rettenegg
          • Prinzkogel (Prinzenkogel) Mt.
            • Prinzkogel Mt. mines
              • Southern District
    		R. Exel: Die Mineralien und Erzlagerstätten Österreichs (1993); Jakely, D. et al. (2008)
    France
     
    • Rhône-Alpes
      • Rhône
    Germany
     
    • Baden-Württemberg
      • Black Forest
        • Bad Rippoldsau
    		K. Walenta: "Die Mineralien des Schwarzwaldes", Weise (Munich), 1992
        • Gengenbach
          • Haigerach valley
    		Wittern,A. (1995) Mineralien finden im Schwarzwald
        • Pforzheim
          • Würm
    		Walenta: "Die Mineralien des Schwarzwaldes", Weise (Munich), 1992
        • Schenkenzell
    		Walenta: "Die Mineralien des Schwarzwaldes", Weise (Munich), 1992
            • Burgfelsen
    		No reference listed
    K. Walenta: "Die Mineralien des Schwarzwaldes", Weise (Munich), 1992
    K. Walenta: "Die Mineralien des Schwarzwaldes", Weise (Munich), 1992
        • St Blasien
          • Urberg
    		Walenta: "Die Mineralien des Schwarzwaldes", Weise (Munich), 1992
    UK
     
    • England
      • Cornwall
        • St Erth - Gwithian Area
          • Phillack
    		[Embrey & Symes, 1987, 40 - "Minerals of Cornwall and Devon"]
    USA
     
    • Nevada
      • Esmeralda Co.
        • Railroad Springs District
    		NBMG Spec. Pub. 31 Minerals of Nevada
      • Mineral Co.
        • Bell District
    		NBMG Spec. Pub. 31 Minerals of Nevada
    Mineral and/or Locality
    Google
     
    www.mindat.org Web
    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 14:56:35