Citation: Dowty, E.; Clark, J. R. (1973). Crystal-structure refinements for orthorhombic boracite, Mg3B7O13Cl, and a trigonal, iron-rich analogue. Zeitschrift fur Kristallographie, 138, pp. 64-99.
Formula: B7 Cl Fe2.4 Mg0.6 O13
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: B42 Cl6 Fe18 Mg18 O78 (B7 Cl Fe3 Mg3 O13)
Multiplicity: 1
Coordination sequences: