Citation: Romming, C.; Raade, G. (1989). The crystal structure of natural and synthetic holtedahlite. Mineralogy and Petrology, 40, pp. 91-100.
Formula: C0.24 H6.76 Mg12 O29.76 P5.76
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: C Mg12 O27 P6 (C Mg12 O27 P6)
Multiplicity: 1