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Unnamed (Co-analogue of Ktenasite)

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Co(Cu,Co)4(SO4)2(OH)6 · 6H2O
Isostructural with:
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 complex nomenclature of ktenasite-type minerals is in preparation (Leverett, Sciberras, Williams, Kolitsch, Giester, Hibbs et al., 2009-2018).

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Chemical Properties of Unnamed (Co-analogue of Ktenasite)Hide

Co(Cu,Co)4(SO4)2(OH)6 · 6H2O

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 Unnamed (Co-analogue of Ktenasite)Hide

Reference List:
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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)Hide

Localities for Unnamed (Co-analogue of Ktenasite)Hide

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 ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
  • North Rhine-Westphalia
    • Siegerland
      • Siegen
        • 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)
Mineral and/or Locality  
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