AM_Laffittite Formula: Ag Hg As S3 Name: Laffittite Unit cell: 7.732 11.285 6.643 90.0 115.16 90.0 , V=524.65 Space group: A1A1 (9)

Nakai I , Appleman D E , American Mineralogist , 68 (1983) p.235-244, Laffittite, AgHgAsS3: crystal structure and second occurrence from the, Getchell mine, Nevada