University of Hamburg Mineralogical Museum of the University of Hamburg
Mineral name
 
Boracite
104217: tube: 3,5 cm wide
Hölzel-No.
 
6.GA.100
Type of specimen
 
104193 - 104217 vermutl. T
IMA-No. / Accepted
 
prä-IMA / 1789
Chemical formula
 
Mg3B7O13Cl
Type locality
 
Germany, Lower Saxony, Lüneburg, Kalkberg
Associated minerals
 
anhydritic salt
Collection
 
Geowissenschaftliche Sammlungen - TU Bergakademie Freiberg
Contact person
 
Andreas Massanek
Catalogue−No. / Site
 
104193 - 104217 / K 213
Nature of 
type specimen

 
5 micromounts with crystals and 21 boxes with isolated crystals
References

Werner, A.G. (1789)
C.A.S. Hoffmann, Bergm. Journ, 1, 393
Notes / Further information

 
Last update 27. April 2022 by A. Matthies Imprint (german)