AM_Realgar_24 Formula: As S.8 Se.2 Name: Realgar Unit cell: 9.4223 13.5906 6.6354 90.0 106.446 90.0 , V=814.93 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: S1Se2-4