Citation: Benna, P.; Bruno, E. (2003). Single-crystal in situ high-temperature structural investigation of the I-1 - I2/c phase transition in Ca0.2Sr0.8Al2Si2O8 feldspar T = 400 C. American Mineralogist, 88, pp. 1532-1541.
Formula: Al2 Ca0.2 O8 Si2 Sr0.8
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al16 O64 Si16 (Al O4 Si)
Multiplicity: 1
Coordination sequences: