Citation: Viswanathan, K.; Kielhorn, H. M. (1983). Al,Si distribution in a ternary (Ba,K,Na)-feldspar as determined by crystal structure refinement Celsian-rich Locality: Yugoslavia. American Mineralogist, 68, pp. 122-124.
Formula: Al1.41 Ba0.4 K0.47 Na0.13 O8 Si2.59
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al16 O32 Si16 (Al O2 Si)
Multiplicity: 1
Coordination sequences: