University of Hamburg Mineralogical Museum of the University of Hamburg
Mineral name
 
Nafeasite
Nafeasite holotype; arrow points to nafeasite crystals (5.5 x 4 x 3 cm)
Hölzel-No.
 
 
Type of specimen
 
HT
IMA-No. / Accepted
 
2021-103
Chemical formula
 
Na3Fe3+(AsO3OH)6 · 3H2O
Type locality
 
Chile, Tarapacá Region, Iquique Province, Torrecillas mine
Associated minerals
 
Anhydrite, gypsum, halite, lavendulan, magnesiokoritnigite, natrojarosite
Collection
 
Mineralogisches Museum - Universität Hamburg
Contact person
 
Prof. Dr. Jochen Schlüter
Catalogue−No. / Site
 
MMHH MD 760
Nature of 
type specimen

 
Mineral specimen
References

Nafeasite, Na3Fe3+(AsO3OH)6 · 3H2O, a new framework arsenate from the Torrecillas mine, Iquique Province, Chile.
Kampf, A.R., Schlüter, J., Malcherek, T., Paulenz, B., Pohl, D., Ma, C., Dini, M. and Molina Donoso, A.A. (2022)
Mineralogical Magazine, ..., ...
Notes / Further information

The new mineral was found on a small boulder by Jochen Schlüter on the slope below the Torrecillas mine in 2014.
Last update 27. April 2022 by A. Matthies Imprint (german)