AM_Ardennite-(As)
Formula:
Mn3.53 Ca.47 Al4.3 Mg Fe.2 Cu.06 Si5 (As.905 V.095) O28 H6
Name:
Ardennite-(As)
Unit cell:
8.7126 5.8108 18.5214 90.0 90.0 90.0 , V=937.69
Space group:
PNMM (1)
Donnay G , Allmann R , Acta Crystallographica, Section B , 24 (1968) p.845-855, Si3O10 groups in the crystal structure of ardennite