University of Hamburg Mineralogical Museum of the University of Hamburg
Mineral name
 
"Vondechenite"
(discredited)
= Calumetite

Vondechenite holotype sample (24 x 16 mm) with polished section.
Hölzel-No.
 
3.MB.770
Type of specimen
 
HT
IMA-No. / Accepted
 
2016-065
Chemical formula
 
CaCu4Cl2(OH)8·4H2O
Type locality
 
Germany, Rhineland-Palatinate, Eifel, Ettringer Bellerberg near Mayen
Associated minerals
 
Ettringite, jennite
Collection
 
Mineralogisches Museum der Universität Hamburg
Contact person
 
Prof. Dr. Jochen Schlüter
Catalogue−No. / Site
 
MMHH 1366
Nature of 
type specimen

 
Mineral specimen
References

Vondechenite, a new hydrous calcium copper chloride hydroxide from the Bellerberg, East-Eifel volcanic area, Germany.
Schlüter, J., Malcherek, T., Pohl, D. and Schäfer, C. (2017)
N. Jb. Miner. Abh. (J. Min. Geochem.), 195, 1, 79-86
Notes / Further information

Collected in April 1993 by Christof Schäfer in the northern part of the Caspar quarry, near the origin of the northern lava flow of the Bellerberg volcano.
Last update 27. April 2022 by A. Matthies Imprint (german)