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Copiapite Group



Complex group of metal(II) iron(III) sulphates.
Since two structurally different subgroups can be distinguished by X-ray diffraction methods (Majzlan & Michallik, 2007), the nomenclature might change in the future.

Classification of Copiapite Group

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Relationship of Copiapite Group to other Species

Minerals in Group:
Aluminocopiapite:
Al
 
2/3
Fe
3+
4
[OH|(SO
 
4
)
 
3
]
 
2
 · 20H
 
2
O
Calciocopiapite:
CaFe
 
4
(SO
 
4
)
 
6
(OH)
 
2
·10H
 
2
O
Copiapite:
Fe
2+
 
Fe
3+
4
[OH|(SO
 
4
)
 
3
]
 
2
 · 20H
 
2
O
Cuprocopiapite:
CuFe
 
4
(SO
 
4
)
 
6
(OH)
 
2
·20H
 
2
O
Ferricopiapite:
Fe
 
5
(SO
 
4
)
 
6
O(OH)·20H
 
2
O
Magnesiocopiapite:
MgFe
3+
4
[OH|(SO
 
4
)
 
3
]
 
2
 · 20H
 
2
O
Zincocopiapite:
ZnFe
3+
4
[OH|(SO
 
4
)
 
3
]
 
2
 · 18H
 
2
O

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 Copiapite Group

Reference List:Bayliss, P. & Atencio, D. (1985): X-ray powder-diffraction data and cell parameters for copiapite-group minerals. Canadian Mineralogist 23, 53-56.

Majzlan, J. & Michallik, R. (2007): The crystal structures, solid solutions, and infrared spectra of copiapite-group minerals. Mineralogical Magazine 71, 553-569.

Internet Links for Copiapite Group

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  • Search for - Copiapite Group - on e-Rocks Mineral Sales & Auctions
  • DAKOTA MATRIX offers Cabinet and Rare Species from Worldwide Localities.
  • Wilensky Fine Minerals
  • Find Copiapite Group on www.crystalclassics.co.uk
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    Localities for Copiapite Group

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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.
    (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.
    Bolivia
     
    • Oruro Department
      • Cercado Province
        • Oruro City
    		Alfredo Petrov specimens
    Hungary
     
    • Heves Co.
      • Mátra Mts.
        • Gyöngyösoroszi
    		Farkas, I. M. & Weiszburg, T. G. (2009): Mitt. Österr. Mineral. Ges. 155, 57. (Abs.)
    Namibia
     
    • Erongo Region
      • Swakopmund District
        • Swakopmund
    		Uwe Kolitsch (SXRD, PXRD)
    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: 10th Nov 2009 02:13:57