Thalcusite Berger R Journal of the Less-Common Metals 147 (1989) 141-148 Synthesis and characterization of the layered metal TlCu2S2 Locality: synthetic _database_code_amcsd 0014164 3.7771 3.7771 13.3791 90 90 90 I4/mmm atom x y z Tl 0 0 0 Cu 0 .5 .25 S 0 0 .36