University of Hamburg Mineralogical Museum of the University of Hamburg
Mineral name
 
Galloplumbogummite
Tiny vug (arrow) with galloplumbogummite crystals in germanite-chalcocite-sphalerite ore.
Hölzel-No.
 
8.BK.203
Type of specimen
 
HT
IMA-No. / Accepted
 
IMA 2010-88
Chemical formula
 
Pb(Ga,Al)3-xGexH1-x(PO4)2(OH)6 for 0=x=1
Type locality
 
Namibia, Tsumeb, Tsumeb mine
Associated minerals
 
Germanite, chalcocite, Cd-rich Sphalerite, pyrite, galena
Collection
 
Mineralogisches Museum - Universität Hamburg
Contact person
 
Prof. Dr. Jochen Schlüter
Catalogue−No. / Site
 
TS 531
Nature of 
type specimen

 
Micromount
References

Galloplumbogummite from Tsumeb, Namibia, a new member of the alunite group with tetravalent charge balance.
Schlüter, J., Malcherek, T. and Mihailova, B. (2014)
N. Jb. Miner. Abh. (J. Min. Geochem.), 191/3301-309
Notes / Further information

Sample from the collection of Hermann Hähnel, Hamburg; material from Prof. Dr. Hermann Rose (1883-1976), Hamburg, who visited Namibia in 1939.
Last update 27. April 2022 by A. Matthies Imprint (german)