Citation: Ishizawa, Nobuo; Kamoshita, Minami; Fukuda, Koichiro; Shioi, Kousuke; Hirosaki, Naoto (2010). Sr~3~(Al~3+x~Si~13{-~x})(N~21{-~x}O~2+x~):Eu^2+^ (x \sim 0): a monoclinic modification of Sr-sialon. Acta Crystallographica Section E, 66, pp. i14-.
Formula: Al6 Eu0.18 N42 O4 Si26 Sr5.82
Chemical name: tristrontium trialuminium tridecasilicon henicosanitride dioxide
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al16 Eu4 N46 O8 Si36 Sr4 (Al8 Eu2 N23 O4 Si18 Sr2)
Multiplicity: 1