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Unnamed (Co-analogue of Ktenasite)

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Formula:
Co(Cu,Co)
 
4
(SO
 
4
)
 
2
(OH)
 
6
· 6H
 
2
O
Isostructural with:Ktenasite


A Zn-free, Co-dominant analogue of ktenasite, confirmed by a crystal-structure refinement (U. Kolitsch, to be published). The Co-rich solid solution member described by Sarp et al. (1990), with Co>Ni>Zn may be the same species.

A joint proposal on the nomenclature of ktenasite-type minerals is in preparation (Leverett et al., 2009-2012).




Classification of Unnamed (Co-analogue of Ktenasite)

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Chemical Properties of Unnamed (Co-analogue of Ktenasite)

Formula:
Co(Cu,Co)
 
4
(SO
 
4
)
 
2
(OH)
 
6
· 6H
 
2
O
Simplified for copy/paste:Co(Cu,Co)4(SO4)2(OH)6·6H2O
Essential elements:Co, Cu, H, O, S
All elements listed in formula:Co, Cu, H, O, S

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 Unnamed (Co-analogue of Ktenasite)

Reference List:

- +
Sarp, H., Perroud, P. & Camerola, M. (1990): Cobalt nickel-kténasite de la mine de Cap Garonne (Var), France, nouvelle variété de kténasite. Schweiz. Mineral. Petrogr. Mitt., 70, 333-335. (in French)

Golze, R., Henrich, M., Hucko, S. & Stötzel, N. (2013): Siegerland & Westerwald. Bergbaugeschichte - Mineralienschätze - Fundorte. Edition Krüger-Stiftung, Bode Verlag, Salzhemmendorf, Germany, 800 pp. (photo on p. 301)

Internet Links for Unnamed (Co-analogue of Ktenasite)

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  • Localities for Unnamed (Co-analogue of Ktenasite)

    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.
    Germany
     
    • North Rhine-Westphalia
      • Siegerland
        • Eiserfeld
    Henrich, J. M. (1998): Die Königin der Eisensteingruben. Die Grube Eisenzecher Zug bei Eiserfeld im Siegerland – ein Fundort begehrter Mineralien. Mineralien-Welt 9 (5), 16-35.; U. Kolitsch (to be published; structure refinement); Golze, R., Henrich, M., Hucko, S. & Stötzel, N. (2013): Siegerland & Westerwald. Bergbaugeschichte - Mineralienschätze - Fundorte. Edition Krüger-Stiftung, Bode Verlag, Salzhemmendorf, Germany, 800 pp. (photo on p. 301)
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