University of Hamburg Mineralogical Museum of the University of Hamburg
Mineral name
 
Hydrowoodwardite
Tube = 5,2 cm long
Hölzel-No.
 
7.DD.235
Type of specimen
 
HT
IMA-No. / Accepted
 
1996-038 / 1999
Chemical formula
 
[Cu2Al2|(OH)8][SO4|(H2O)5] or
[Cu(1-x)Alx(OH)2][(SO4)(x/2)(H2O)n] for 03x/2 for x=1/3
Type locality
 
Germany, Saxony, Ore Mts., Königswalde near Annaberg-Buchholz, St Briccius mine
Associated minerals
 
Allophane, woodwardite, schulenbergite, namuwite, brianyoungite, langite, linarite
Collection
 
Geowissenschaftliche Sammlungen - TU Bergakademie Freiberg
Contact person
 
Andreas Massanek
Catalogue−No. / Site
 
76639 / c 7,3
Nature of 
type specimen

 
Fragments in a tube
References

Hydrowoodwardite, a new mineral of the hydrotalcite group from Königswalde near Annaberg, Saxony/Germany and other localities.
Witzke, T. (1999)
Neues Jahrbuch für Mineralogie, Monatshefte, 75-86
Notes / Further information

Donated by the author Dr. Witzke.
Last update 27. April 2022 by A. Matthies Imprint (german)