Citation: Grey, I. E.; Mumme, W. G.; Price, J. R.; Mills, S. J.; Macrae, C. M.; Favreau, G. (2014). BaCu ordering in bariopharmacoalumite-Q2a2b2c from Cap Garonne, France. Mineralogical Magazine, 78, pp. 851-860.
Formula: Al16.66 As11.34 Ba1.96 Cu0.4 H61.38 O87.09
List type: interleaving
List: 1-3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al56 As24 O128 (Al7 As3 O16)
Multiplicity: 1
Basis: (0;0;1)
Dimensionality: 1
Formula: Cu4 O20 (Cu O5)