AM_Eifelite
Formula: K Na Mg5 Si12 O30
Name: Eifelite
Unit cell: 10.152 10.152 14.28 90.0 90.0 120.0 , V=1274.57
Space group: P6/MCC (192)

Nguyen N , Choisnet J , Raveau B , Journal of Solid State Chemistry , 34 (1980) p.1-9, Silicates synthetiques a structure milarite, Locality: synthetic