AM_Realgar_25 Formula: As (S.615 Se.385) Name: Realgar Unit cell: 9.4592 13.6345 6.6501 90.0 106.382 90.0 , V=822.85 Space group: P121/N1 (14)

Kyono A , American Mineralogist , 94 (2009) p.451-460, Molecular conformation and anion configuration variations for As4S4 and As4Se4, in an anion-substituted solid solution, Locality: synthetic, Note: S1Se2-11