Citation: Grey, I. E.; Mumme, W. G.; Hochleitner, R. (2019). Trimeric As3+3O6 clusters in walentaite: crystal structure and revised formula. European Journal of Mineralogy, 31, pp. 111-116.
Formula: As2.86 Ca0.708 Fe3 Mn0.652 O19.928 P1.684
List type: interleaving
List: 2D
Basis: (0;1;0 0;0;1)
Dimensionality: 2
Formula: As20 Ca4 Fe6 O40 P4 (As10 Ca2 Fe3 O20 P2)
Multiplicity: 1