AM_Realgar_17 Formula: As (S.562 Se.437) Name: Realgar Unit cell: 9.4725 13.6493 6.6579 90.0 106.542 90.0 , V=825.19 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: S1Se1-10