Citation: Pasava, J.; Pertlik, F.; Stumpfl, E. F.; Zemann, J. (1989). Bernardite, a new thallium arsenic sulphosalt from Allchar, Macedonia, with a determination of the crystal structure. Mineralogical Magazine, 53, pp. 531-538.
Formula: As5 S8 Tl
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: As20 S32 (As5 S8)
Multiplicity: 1