Chemistry:Ahlfeldite

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

Ahlfeldite ((Ni, Co)SeO
3
· 2H
2
O
) 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.

References