Citation: Bindi, L.; Keutsch, F. N.; Francis, C. A.; Menchetti, S. (2009). Fettelite, [Ag6As2S7][Ag10HgAs2S8] from Chanarcillo, Chile: Crystal structure, pseudosymmetry, twinning, and revised chemical formula. American Mineralogist, 94, pp. 609-615.
Formula: Ag16 As3.596 Hg S15 Sb0.403
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Ag128 As32 Hg8 S120 Sb16 (Ag16 As4 Hg S15 Sb2)
Multiplicity: 1