Citation: Smyth, J. R.; Mierdel, K.; Keppler, H.; Langenhorst, F.; Dubrovinsky, L.; Nestola, F. (2007). Crystal chemistry of hydration in aluminous orthopyroxene. American Mineralogist, 92, pp. 973-976.
Formula: Al0.23 Mg0.874 O3 Si0.875
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al16 Mg16 O48 Si16 (Al Mg O3 Si)
Multiplicity: 1
Coordination sequences: