Citation: Chao, S H; Hargreaves, A; Taylor, W H (1940). The structure of orthoclase.. Mineralogical Magazine and Journal of the Mineralogical Society (1876-1968), 25, pp. 498-512.
Formula: Al K O8 Si3
Chemical name: Potassium tecto-alumotrisilicate
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al8 O32 Si16 (Al O4 Si2)
Multiplicity: 1