Citation: Giester, G.; Rieck, B. (1994). Effenbergerite, BaCu[Si4O10], a new mineral from the Kalahari Manganese Field, South Africa: description and crystal structure. Mineralogical Magazine, 58, pp. 663-670.
Formula: Ba Cu O10 Si4
List type: interleaving
List: 2D
Basis: (1;0;0 0;1;0)
Dimensionality: 2
Formula: Cu2 O20 Si8 (Cu O10 Si4)
Multiplicity: 1
Coordination sequences: