University of Hamburg Mineralogical Museum of the University of Hamburg
Mineral name
 
"Anatacamite"
(discredited)
twinned
clinoatacamite

Original sample: 11 x 5 cm; atacamite intergrown with "anatacamite".
Hölzel-No.
 
3.CB.180
Type of specimen
 
HT
IMA-No. / Accepted
 
2008-042
Chemical formula
 
Cu2(OH)3Cl
Type locality
 
Chile, Antofagasta region, Sierra Gorda, La Vendida mine
Associated minerals
 
Atacamite
Collection
 
Mineralogisches Museum - Universität Hamburg
Contact person
 
Dr. Stefan Peters
Catalogue−No. / Site
 
MD 199
Nature of 
type specimen

 
Mineral specimen
References

Anatacamite from La Vendida mine, Sierra Gorda, Atacama desert, Chile: a triclinic polymorph of Cu22(OH)3Cl.
Malcherek, T. & Schlüter, J. (2010)
N. Jb. Miner. Abh., 187/3, 307-312
Notes / Further information

The original sample was collected by Arturo Molina, Iquique, in 2003.
At the request of Malcherek and Schlüter anatacamite was discredited by the IMA-CNMNC on July 17th, 2015.
Last update 05. August 2024 by A. Matthies Imprint (german)