Pickeringite : MgAl2(SO4)4·22H2O
Magnesiocopiapite : MgFe3+4(SO4)6(OH)2·20H2O
As recorded:
Graphite quarry, Wollmersdorf, Drosendorf-Zissersdorf, Horn District, Lower Austria, Austria
Photo added to mindat.org
“A nice, but very fragile specimen of white fibrous, Fe-bearing to -rich pickeringite and pale yellow magnesiocopiapite (June 2016).
Photo Erwin Löffler. FOV estimated.
This material is described in:
Kolitsch, U. (2017): 2045) Melanterit, Pickeringit und Rozenit vom ehemaligen Graphitbergbau Zettlitz bei Drosendorf, Waldviertel, Niederösterreich. Pp. 263-264 in Walter, F. et al. (2017): Neue Mineralfunde aus Österreich LXVI. Carinthia II, 207./127., 217-284.”
Uwe Kolitsch - 6th October 2017
No-one has added this to their favourites.
10,443,463 minIDs have been issued as of 26th Apr 2024 3:31 am UTC