Formula: (K.65 Na.31 Ca.04) (Al1.04 Si2.96) O8
Name: Sanidine
Unit cell: 8.437 13.003 7.172 90.0 116.1 90.0 , V=706.58
Space group: C12/M1 (12)

Menna M , Tribaudino M , Renzulli A , European Journal of Mineralogy , 20 (2008) p.183-190, Al-Si order and spinodal decomposition texture of sanidine from igneous clasts of Stromboli, (southern Italy): insights into the timing between the emplacement of a shallow basic sheet, intrusion and the eruption of related ejecta, Locality: Stromboli volcano, southern Italy