Ahlfeldite

Ahlfeldite ((Ni,Co)[SeO3]·2H2O) is a mineral of secondary origin. It is named after Friedrich Ahlfeld (1892–1982), a German-Bolivian mining engineer and geologist. Its type locality is Virgen de Surumi mine, Pakajake Canyon, Chayanta Province, Potosí Department, Bolivia.

Ahlfeldite
Alfredopetrovite, Ahlfeldite, Chalcomenite
General
CategorySelenite mineral
Formula
(repeating unit)		(Ni,Co)SeO3·2H2O
Strunz classification4.JH.10
Crystal systemMonoclinic
Crystal classPrismatic (2/m)
(same H-M symbol)
Space groupP21/m
Identification
References[1][2][3]

References
  1. "Webmineral.com - Ahlfeldite".
  2. "Mindat.org - Ahlfeldite".
  3. "Handbook of Mineralogy - Ahlfeldite" (PDF).


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