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Copiapite Group

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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.


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Relationship of Copiapite Group to other SpeciesHide

Group Members:
Aluminocopiapite Al2/3Fe3+4(SO4)6(OH)2 · 20H2OTric. 1 : P1
Calciocopiapite CaFe4(SO4)6(OH)2 · 10H2OTric. 1 : P1
Copiapite Fe2+Fe3+4(SO4)6(OH)2 · 20H2OTric. 1 : P1
Cuprocopiapite CuFe4(SO4)6(OH)2 · 20H2OTric. 1 : P1
Ferricopiapite Fe5(SO4)6O(OH) · 20H2OTric. 1 : P1
Magnesiocopiapite MgFe3+4(SO4)6(OH)2 · 20H2OTric. 1 : P1
Zincocopiapite ZnFe3+4(SO4)6(OH)2 · 18H2OTric.

Other InformationHide

Health Risks:
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 GroupHide

Reference List:
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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. [http://rruff.info/uploads/MM71_553.pdf]

Internet Links for Copiapite GroupHide

Localities for Copiapite GroupHide

This 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.

Locality ListShow

Mineral and/or Locality  
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