University of Hamburg Mineralogical Museum of the University of Hamburg
Mineral name
 
Eifelite
Size: about 3 x 2 x 1 cm
Hölzel-No.
 
9.CF.420
Type of specimen
 
HT
IMA-No. / Accepted
 
80-097 / 1980
Chemical formula
 
KNa2(MgNa)Mg3Si12O30
Type locality
 
Germany, Rhineland-Palatinate, Eifel, Ettringer Bellerberg near Mayen
Associated minerals
 
Quartz, sanidine
accessory minerals: pyroxene, amphibole, tridymite, hematite, pseudobrookite
Collection
 
Institut für Mineralogie, Geologie und Geophysik - Ruhr-Universität Bochum
Contact person
 
Dr. Hans-Peter Schertl
Catalogue−No. / Site
 
 
Nature of 
type specimen

 
Micromount
References

Eifelite, KNa3Mg4Si12O30, a new mineral of the Osumilite Group with octahedral sodium
Abraham, K., Medenbach, O., Schreyer, W., Hentschel, G. (1983)
Contr.Min.Petr., 82, 252-258
Notes / Further information

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