Citation: Larsen, A. O.; Kolitsch, U.; Gault, R. A.; Giester, G. (2010). Eirikite, a new mineral species of the leifite group from the Langesundsfjord district, Norway. European Journal of Mineralogy, 22, pp. 875-880.
Formula: Al3 Be2 F2 K0.983 Na6.017 O39 Si15
List type: interleaving
List: 1-3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al18 O39 Si18 (Al6 O13 Si6)
Multiplicity: 1
Basis: (0;0;1)
Dimensionality: 1
Formula: K Na (K Na)
Coordination sequences: