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Ahlfeldite

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Ahlfeldite
Alfredopetrovite, Ahlfeldite, Chalcomenite
General
CategorySelenite mineral
Formula
(repeating unit)
(Ni,Co)SeO3·2H2O
IMA symbolAfe[1]
Strunz classification4.JH.10
Crystal systemMonoclinic
Crystal classPrismatic (2/m)
(same H-M symbol)
Space groupP21/m
Identification
References[2][3][4]

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.

References

[edit]
  1. ^ Warr, L.N. (2021). "IMA–CNMNC approved mineral symbols". Mineralogical Magazine. 85 (3): 291–320. Bibcode:2021MinM...85..291W. doi:10.1180/mgm.2021.43. S2CID 235729616.
  2. ^ "Webmineral.com - Ahlfeldite".
  3. ^ "Mindat.org - Ahlfeldite".
  4. ^ "Handbook of Mineralogy - Ahlfeldite" (PDF). Archived from the original (PDF) on 2015-09-24. Retrieved 2013-01-26.