University of Hamburg Mineralogical Museum of the University of Hamburg
Mineral name
 
Prehnite
101749: 10 x 5 x 6,5 cm
Hölzel-No.
 
9.DU.300
Type of specimen
 
101733 vermutl. T
101749 vermutl. T
IMA-No. / Accepted
 
prä-IMA / 1788
Chemical formula
 
Ca2Al[(OH)2|AlSi3O10]
Type locality
 
South Africa, Eastern Cape Province, Karoo dolerites
Associated minerals
 
 
Collection
 
Geowissenschaftliche Sammlungen - TU Bergakademie Freiberg
Contact person
 
Andreas Massanek
Catalogue−No. / Site
 
101733 / K 137
101749 / K 138
Nature of 
type specimen

 
Mineral specimens
References

Chemische Zergliederung des Prehnits.
Klaproth, M.H. (1788)
Schriften der Gesellschaft Naturforschender Freunde zu Berlin, 8, 211-222
Notes / Further information

For these specimens labels of the year 1817 exist, made out by KÖHLER (curator of the WERNER collection) and FREIESLEBEN. Both specimens are parts of the same original sample.
Last update 05. August 2024 by A. Matthies Imprint (german)